Chenik Lake - Cook Inlet Aquaculture Association, Kenai, Alaska

Shell Lake
Sockeye Salmon
Final Report
2006-2009
Prepared by:
Nathan Weber, Biologist
February 2009
The Shell Lake Project was made possible through enhancement taxes paid by the
commercial fishermen in Area H Cook Inlet and associated waters, an Alaskan
Sustainable Salmon Fund grant received from the Alaska Department of Fish & Game and
the National Oceanic and Atmospheric Administration and a State of Alaska Designated
Legislative Grant.

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DISCLAIMER
The Cook Inlet Aquaculture Association conducts salmon enhancement and restoration projects
in Area H, Cook Inlet and associated waters. As an integral part of these projects a variety of
monitoring and evaluation studies are conducted. The following progress report is a synopsis of
the monitoring and evaluation studies conducted for Shell Lake. This Shell Lake Progress
Report encompasses data collected from the 2006 adult sockeye escapement through the 2009
sockeye smolt migration as it falls under the Alaskan Sustainable Salmon Fund grant.
The purpose of the progress report is to provide a vehicle to distribute the information produced
by the monitoring and evaluation studies. Data collected each year are presented with a
summary of the information previously collected for comparative purposes. These reports are
intended to provide a general description of project activity and are not an exhaustive evaluation
of any restoration or enhancement project. The information presented in this report has not
undergone an extensive review. As reviews are completed, the information may be updated and
presented in later progress reports.
The Shell Lake Progress Report was prepared by Cook Inlet Aquaculture Association under
award of the Alaskan Sustainable Salmon Fund 45608 from the National Oceanic and
Atmospheric Administration, U.S. Department of Commerce, administered by the Alaska
Department of Fish and Game. The statements, findings, conclusions, and recommendations are
those of the author(s) and do not necessarily reflect the views of the National Oceanic and
Atmospheric Administration, the U.S. Department of Commerce, or the Alaska Department of
Fish and Game.
CIAA maintains a strong policy of equal employment opportunity for all employees and
applicants for employment. We hire, train, promote, and compensate employees without regard
for race, color, religion, sex, sexual orientation, national origin, age, marital status, disability or
citizenship, as well as other classifications protected by applicable federal, state or local laws.
Our equal employment opportunity philosophy applies to all aspects of employment with CIAA
including recruiting, hiring, training, transfer, promotion, job benefits, pay, dismissal, and
educational assistance.
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ACKNOWLEDGEMENTS
Many individuals and agencies contributed to the success of the Shell Lake Project from 2006
through 2009. Appreciation is extended to Cook Inlet Aquaculture Association 2006 Interns
Lenore Yaeger, Nicole Fielitz, and Seasonal Assistant Paul Blanche, the CIAA 2007 Interns
Kathryn Lynn, Amber Jones, Allan Veler, and Nathan Weber, the CIAA 2008 Interns Rachel
Fye, Katie Brownson, Rose Swift, and Scarlett Philibosian, and Seasonal Assistants Nathan
Weber and Kevin Lauscher, and the CIAA 2009 Interns Casey Hares, Zach Holmes, Nichole
Matve, and Rebecca King, as well as all full time staff who aided in the field. Special thanks go
to the Alaska Department of Fish and Game Upper Cook Inlet fisheries offices for the support
they provided during this project.
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TABLE OF CONTENTS
DISCLAIMER ................................................................................................................................. i
ACKNOWLEDGEMENTS ........................................................................................................... iii
TABLE OF CONTENTS ................................................................................................................ v
LIST OF FIGURES ...................................................................................................................... vii
LIST OF TABLES ......................................................................................................................... ix
ABSTRACT ................................................................................................................................... xi
INTRODUCTION AND PURPOSE .............................................................................................. 1
PROJECT AREA ............................................................................................................................ 3
METHODS .................................................................................... Error! Bookmark not defined.
RESULTS AND DISCUSSION ................................................................................................... 11
RECOMMENDATIONS .............................................................................................................. 19
LITERATURE CITED ................................................................................................................. 21
APPENDICES .............................................................................................................................. 23
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LIST OF FIGURES
Figure 1 Shell Lake in relation to Cook Inlet and Alaska............................................................ 3
Figure 2 Hydrographic map of Shell Lake .................................................................................. 4
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LIST OF TABLES
Table 1. Shell Lake average open water season water quality characteristics, 2006 – 2009 ........... 11
Table 2. Seasonal Mean Zooplankton Density and Biomass of Shell Lake ..................................... 11
Table 3. Summary of Shell Lake sockeye smolt characteristics, 2006 – 2009 ................................ 14
Table 4. Shell Lake 2007 adult sockeye female estimated fecundity ............................................... 16
Table 5. Summary of Shell Lake adult sockeye salmon characteristics, 2006 – 2008 ..................... 17
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ABSTRACT
The 2006 Shell Lake adult escapement was the first time since 1986 that CIAA monitored Shell
Creek by use of weir. The adult escapement was enumerated from 15 July and continued daily
until 19 August when the weir became inoperable due to extreme flooding conditions. During
this time 69,800 adult sockeye (O. nerka) salmon returned to Shell Creek.
Based on adult sockeye samples collected, 83.24% were age 1.2, 7.63% were age 1.3, 8.75%
were age 2.2, 0.19% were age 1.4, and 0.19% were age 2.3. Of the returning salmon population,
47% were male and 53% were female. The average length of adult sockeye population was 488
mm. The average length of adult sockeye males was 496 mm and average length of adult
sockeye females was 481 mm.
The 2007 Shell Lake smolt migration was enumerated from 28 May and continued daily until 26
June. During this time, an estimated 80,600 (±68,600) sockeye (O. nerka) smolts and 70 (±23)
coho (O. kisutch) smolts migrated from Shell Lake. Personnel conducted the 10% sub-sampling
procedure to estimate 68%, or 55,010 (±68,600), of the sockeye smolts and 29%, or 20 (±23), of
the coho smolts were sub-sampled.
Based on the sockeye smolt samples collected, an estimated 95% (±0.02%) were age 1 and 4%
(±1.08%) were age 2. The average length and weight of age 1 sockeye smolt were 110 mm
(±0.6 mm) and 12.7 g (±0.3 g). The average length and weight of age 2 sockeye smolt were 143
mm (±11 mm) and 27.7 g (±5.7 g).
Too few Coho smolt samples were collected to statistically evaluate during the smolt migration.
The 2007 Shell Lake adult salmon escapement was enumerated from 16 July and continued daily
until 13 September. During this time, 26,863 adult sockeye (O. nerka) and 6 adult coho (O.
kisutch) salmon returned to Shell Creek. Two habitat surveys were conducted and observed
active beaver dams hindering the migration of fish into Shell Lake. Fish were observed below
the lowest dam and at the confluence of Shell Creek and Skwentna River. CIAA crew notched
active beaver dams by hand to allow the passage of fish into the lake.
Based on adult sockeye samples collected, 3.23% were age 1.2, 87.65% were age 1.3, 0.29%
were age 2.2 and 8.82% were age 2.3. Of the returning salmon population, 46% were male and
56% were female. The average length of adult sockeye population was 535 mm. The average
length of adult sockeye males was 548 mm. The average length of adult sockeye females was
523 mm.
During the 2007 adult salmon escapement, CIAA conducted fecundity sampling to assist
ADF&G estimate the maximum reproductive potential of the Shell Lake sockeye salmon
population.
The 2008 Shell Lake smolt migration was enumerated from 4 June and continued daily until 28
June. During this time, an estimated 3,200 sockeye (O. nerka) and 30 coho (O. kisutch) smolts
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migrated from the lake.
Based on the sockeye smolt samples collected, an estimated 84% (±0.1%) were age 1 and 16%
(±0.8%) were age 2. The average length and weight of age 1 sockeye smolt were 100 mm (±0.8
mm) and 9.0 g (±0.9 g). The average length and weight of age 2 sockeye smolt were 137 mm
(±3.8 mm) and 20.2 g (±1.9 g).
Too few Coho smolt samples were collected to statistically evaluate during the smolt migration.
The 2008 Shell Lake adult salmon escapement was enumerated from 14 July and continued daily
until 3 September. During this time, 2,620 adult sockeye (O. nerka) salmon returned to Shell
Creek.
Based on adult sockeye samples collected, 8.69% were age 1.1, 17.07% were age 1.2, 53.73%
were age 1.3, 1.37% were age 1.4, 0.69% were age 2.1, 13.91% were age 2.2, 4.19% were age
2.3, and 0.34% were age 3.3. Of the returning salmon population, 34% were male and 66% were
female. The average length of adult sockeye population was 511 mm. The average length of
adult sockeye males was 539 mm. The average length of adult sockeye females was 496 mm.
In Spring 2009, an ash plume emitted from Mt. Redoubt was carried north by winds and settled
in the Skwenta and Talkeetna areas. Shell Lake accumulated a heavy fall of ash which resulted
in an earlier than usual ice-out. Based on Shell Lake residents’ reports, ice-out occurred on 14
May and field crew began monitoring on 16 May. The 2009 Shell Lake smolt migration was
enumerated from 16 May and continued daily until 24 June. During this time, an estimated
68,700 (±8,700) sockeye (O. nerka) and 7 coho (O. kisutch) smolts migrated from the lake.
Personnel conducted the 10% sub-sampling procedure to estimate 64%, or 44,120 (±8,700), of
the sockeye smolts were sub-sampled.
Based on the sockeye smolt samples collected, an estimated 94% (±0.01%) were age 1 and 6%
(±0.4%) were age 2. The average length and weight of age 1 sockeye smolt were 101 mm (±0.6
mm) and 10.6 g (±0.3 g). The average length and weight of age 2 sockeye smolt were 149 mm
(±4 mm) and 28.9 g (±2.2 g).
Too few Coho smolt samples were collected to statistically evaluate during the smolt migration.
Water chemistry and zooplankton samples were collected 4 times during 2007, 5 times in 2008,
and 5 times in 2009. A summary of average open water quality characteristics are listed in Table
1. ADF&G provided the analysis.
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INTRODUCTION AND PURPOSE
To better understand the recent unexpected low adult sockeye returns to Upper Cook Inlet, Cook
Inlet Aquaculture Association (CIAA) is conducting a complete enumeration of both the juvenile
and adult migrations on seven lakes thought to be key sockeye salmon producers in the Upper
Cook Inlet drainage. Understanding the adult to juvenile relationship will allow management
biologists to analyze and evaluate the production and rearing conditions of each lake. In addition
to the collection of physical data on juvenile and adult salmon, CIAA is also collecting water
quality measurements to better understand the entire salmon life cycle. Our goal is to collect
sound biological data to provide the foundation on which decisions for management and
rehabilitation strategies will be drawn.
The smolt and adult enumeration studies and water quality measurements being collected by
CIAA are part of a large effort by the Alaska Department of Fish and Game (ADF&G) to assess
the salmon rearing environment of the Upper Cook Inlet drainage. To assist ADF&G, CIAA
collected genetic samples from adult fish for analysis and recorded adult fish marked with a
Passive Integrated Transponder tag for a mark-recapture study being conducted by ADF&G.
ADF&G is also conducting a fall hydroacoustic analysis to survey fry production in each lake.
All information recorded by CIAA is provided to ADF&G.
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PROJECT AREA
Shell Lake is located in the foothills of the Talkeetna Mountains approximately 85.4 km west of
Talkeetna, Alaska (Figure 1). The lake occupies a long, narrow depression on the west side of
the Shell Hills. Significant vegetation along the lake is alder (Alnus spp.), birch (Betula spp.),
cottonwood (Populus spp.) and scattered white spruce (Picea glauca) The lake covers 523.4 ha,
has a maximum depth of 28.7 m, a mean depth of 11.9 m, 16.6 km of shoreline, and is located at
an elevation 122.5 m above sea level (Figure 2). Shell Lake map and morphometric data
provided by Kyle, et al (1993). Shell Lake has seven small tributaries and discharge outflow via
shell creek flowing southeast to the Skwentna River. The area of the drainage is 6,216.2 ha.
Shell
Lake
Talkeetna
Figure 1 Shell Lake in relation to Cook Inlet and Alaska
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Shell Lake
Geographic Location: 61˚58’ North Latitude
151˚33’20 West Longitude
Elevation: 122.5 m
Volume: 62.3 x 10 6 m 3
Surface: 523.4 ha
Maximum Depth: 28.7 m
Mean Depth: 11.9 m
Shoreline Length: 16.6 km
Shoreline Development: 2.0468 km
Figure 2 Hydrographic map of Shell Lake
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Limnological Sampling
METHODS
Assessments of water quality were started during the 2006 adult escapement and continued
during open water season through the 2009 adult escapement. One primary site was sampled for
dissolved oxygen, temperature, light transmission profile, Secchi disk transparency, and
zooplankton densities. Samples for analysis of phosphorous, carbon, chlorophyll a, phaeophytin
a, nitrogen, calcium, magnesium, iron, conductivity, pH, alkalinity, turbidity, and color were also
collected with a Kemmerer sampler one meter below the surface and from the midhypolimnion.
One secondary site was limited to the zooplankton density and Secchi disk transparency. Water
samples were collected by CIAA and water analysis completed by ADF&G. Sample collection
and analysis procedures are described by Koenings, et al. (1986).
Environmental Conditions
Percent cloud cover was visually estimated, stream stage was measured to the nearest tenth of a
foot, precipitation measured to the nearest millimeter and water and air temperatures were
recorded at 5:00 PM each day. Stream stage measurements were not comparative between
seasons as staff gage location varied from year to year. Standard CIAA procedures were
followed for collecting these observations (CIAA, 2006).
Smolt Enumeration
To enumerate the smolt migration, a smolt trap was temporarily placed in Shell Creek. The
smolt trap consisted of a modified fyke net with Vexar® netting leads and a double compartment
live-box. The leads and fyke net funneled migrating smolt into the live-box. A swing gate
remotely controlled by the trap operators directed smolt into one of two live-box compartments
where they were enumerated and a smolt sample was collected.
A total count of smolt migrating from Shell Lake was made until the migration of fish exceeded
1,000 to 2,000 fish per hour. At migrations rates greater than 2,000 fish per hour, fish densities
in the trap become too great and the fish become stressed. To avoid stressing the fish during
periods of peak migration, a 10% sub-sampling procedure was used to enumerate the fish.
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To enumerate migrating smolt with the 10% sub-sampling procedure, the counting period was
divided into 20-minute intervals. During each 20-minute interval, migrating fish were directed
into the live-box for two minutes and counted. During the remaining 18 minutes, migrating
smolt passed through the trap uncounted. To estimate the number of smolt migrating during the
20-minute interval, the two-minute smolt count was multiplied by 10.
Assuming the two-minute sub-sampling intervals were randomly distributed throughout subsampling
1 and smolt moved through the weir randomly, the total smolt migration was estimated
as follows:
If:
T
c
=
number of fish counted with the total count procedure,
Tˆ =
s
Tˆ =
y =
n =
N =
number of fish counted with the 10% sub-sampling procedure,
the total smolt migration,
the number of fish counted in each two minute sub-sampling interval,
the number of two minute sub-sampling intervals sampled, and
the number of possible two minute sub-sampling intervals,
Then, the total smolt migration (Tˆ ) is:
with a variance of:
T
T T
c s ;
v T N N n / N y y / n n
s
2 2
i
1 ;
and 95% confidence limits of:
Tˆ 2 v ˆ .
s
T s
The variance about the estimated smolt migration, T , is equal to the variance about T s , because
T c
is a total count with 0 variance.
1 Predetermined random 2-minute sampling intervals assured random distribution within each 20-minute period.
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The smolt characteristics of Shell Lake were assessed by collecting a sample of the migrating
smolts to determine length and weight characteristics of the population. During the 2007, 2008,
and 2009 smolt migrations, sockeye samples were collected at an interval of n=40 per day and
coho samples were collected at an interval of n=20 per day. Field personnel collected samples
randomly throughout each day. Each smolt collected for evaluation was first measured to the
nearest millimeter for fork length 2 and then weighed to the nearest 0.1 gram. Several scales were
also removed from the primary growth area 3 and mounted on a glass slide for subsequent age
determination. Scale samples were read by CIAA full-time staff at headquarters in Kenai.
During the 2007 smolt migration, 464 sockeye smolt scale samples were collected and read.
During the 2008 smolt migration, 266 sockeye smolt scales samples were collected of which 254
were readable. During the 2009 smolt migration, 957 sockeye smolt samples were collected of
which 956 were readable. Samples collected for coho smolt during the 2007, 2008, and 2009
migrations did not give a statistically representative estimate of the population and were not
included in this report.
Adult Enumeration
The escapement enumeration includes an assessment of the sex, age, and standard fork length 4 of
the returning population of fish. To enumerate returning adult salmon and facilitate data
collection, a counting weir was temporarily installed in Shell Creek in 2006, 2007, and 2008.
The weir was constructed of 1.9 cm galvanized pipe and 7.6 cm aluminum channel. The
galvanized pipe was picketed through 1.9 cm holes in the aluminum channel spaced 2.54 cm
apart.
Field personnel visually counted the adult fish as they ascended Shell Creek. By removing one
or two pickets fish were permitted to pass through the weir. Initially counts were made at least
twice a day. As the number of fish ascending Shell Creek increased, counts were made more
frequently to prevent fish from accumulating behind the weir. Personnel also checked for
ADF&G tags on adult sockeyes passing through the weir.
2 Standard fork length was measured from the tip of the snout to the fork of the tail.
3 The primary growth area is located above the lateral line on a diagonal from the posterior insertion of the dorsal fin to the anterior insertion of the anal fin..
4Standard fork length was defined as the measurement from mid-eye to the fork of the tail.
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The adult characteristics of Shell Lake were assessed by collecting a sample of the migrating
adult sockeye salmon to determine age, length, and sex characteristics of the population. During
the 2006, 2007, and 2008 adult escapements, sockeye samples were randomly collected at an
interval of n=40 per day. Each adult sockeye collected for evaluation was first measured to the
nearest millimeter for standard fork length 4 , and estimated sex. For age evaluation, field
personnel removed a scale from the primary growth area 3 . The fish were unharmed and released
upstream. Scale samples were sent to the ADF&G Soldotna office for analysis.
During the 2006 adult escapement, 537 scale samples were analyzed for age. During the 2007
adult escapement, 379 scale samples were collected of which 340 samples were analyzed for age.
During the 2008 adult escapement, 365 scale samples were collected of which 286 samples were
analyzed for age. During the 2009 adult escapement, 642 scale samples were collected of which
569 samples were analyzed for age.
Fecundity
During the 2007 Shell Lake adult salmon escapement, CIAA crew conducted fecundity sampling
on sockeye salmon. One of the objectives of the sockeye salmon study is an assessment of the
reproductive potential of the sockeye salmon populations of the Susitna River basin. A key
component of this assessment is an accurate estimate of the average fecundity of the sockeye
population in each study lake. Fecundity is simply the number of eggs per female. In
combination with the escapement, it represents the maximum reproductive potential of the
population.
To obtain an accurate estimate of average fecundity an attempt was made to collect and sacrifice
10 females from each of the 12 size classes; 450-460 mm, 460-470 mm, 470-480 mm, 480-490
mm, 490-500 mm, 500-510 mm, 510-520 mm, 520-530 mm, 530-540 mm, 540-550 mm, 550-
560 mm, and 560-570 mm. Field personnel were instructed to select specimens randomly
throughout the escapement. Once the fish was measured for length and scale sample, each ovary
was removed and weighed to the nearest 0.1 g. Thirty to forty eggs were then collected from the
anterior, middle and posterior portion from only one ovary. Either ovary may be sampled;
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however one ovary should not dominate within the size class. Each sample of eggs was weighed
to the nearest 0.1 g.
The average fecundity was estimated as follows:
Where:
F = fecundity,
N A = number of eggs in the sample from the anterior portion of the ovary,
N M = number of eggs in the sample from the middle portion of the ovary,
N P = number of eggs in the sample from the posterior portion of the ovary,
W A = weight of egg sample from the anterior portion of the ovary,
W M = weight of egg sample from the posterior portion of the ovary, and
W L+R = combined weight of both ovaries.
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RESULTS AND DISCUSSION
Limnological Conditions
Limnological conditions are a key component in understanding Shell Lake productivity and
rearing conditions in this monitoring study. Water chemistry and zooplankton were conducted 3
times in 2006. In 2007, water chemistry and zooplankton samples were collected 4 times. In
2008, water chemistry and zooplankton samples were collected 5 times. In 2009, water
chemistry and zooplankton data were collected 5 times. A summary of limnological conditions
is listed in Table 1. ADF&G provided the analysis for limnological conditions.
Table 1 – Average open water season water quality characteristics of Shell Lake
AVERAGE WATER QUALITY - 1 METER
TP TFP FRP TKN NH3+NH4 NO2+NO3 RSi Org C Chla Phaeo EZD Sp. Cond pH Alk Turb Color Ca Mg Fe Secchi
Year (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) TN:TP (ug/l) (ug/l) (ug/l) (ug/l) Sta (m) (umhos/cm) (SU) (mg/l) (NTU) (Pt) (mg/l) (mg/l) (ug/l) Sta (meters)
2006 11.2 4.3 3.7 302.7 16.1 559.2 170 :1 4,202 749 1.39 0.46 A 6.0 32 5.6 10.1 0.4 22 4.3 0.5 85 A 4.0
2007 7.6 4.2 3.7 253.7 12.5 480.8 213 :1 4,205 484 0.99 0.36 A 7.5 37 6.7 15.3 0.5 11 4.8 0.7 44 A 5.1
2008 14.0 11.3 2.4 233.2 13.4 417.4 103 :1 3,875 220 0.79 0.50 A 8.3 31 6.7 13.1 0.6 20 3.9 0.8 62 A 4.1
2009 12.1 8.1 1.3 222.0 8.1 393.8 113 :1 3,778 241 1.03 0.45 A 7.8 35 6.5 12.8 0.6 15 4.4 1.0 51 A 4.3
AVERAGE WATER QUALITY - HYPOLIMNION
TP TFP FRP TKN NH3+NH4 NO2+NO3 RSi Org C Chla Phaeo EZD Sp. Cond pH Alk Turb Color Ca Mg Fe Secchi
Year (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) TN:TP (ug/l) (ug/l) (ug/l) (ug/l) Sta (m) (umhos/cm) (SU) (mg/l) (NTU) (Pt) (mg/l) (mg/l) (ug/l) Sta (meters)
2006 7.6 4.2 3.7 253.7 12.5 480.8 213 :1 4,205 484 0.99 0.36 B 7.5 37 6.7 15.3 0.5 11 4.8 0.7 44 B 5.1
2007 11.2 4.3 3.7 302.7 16.1 559.2 170 :1 4,202 749 1.39 0.46 B 6.0 32 5.6 10.1 0.4 22 4.3 0.5 85 B 4.0
2008 8.7 6.2 2.3 210.1 10.2 467.1 172 :1 3,929 175 0.54 0.49 B 7.4 31 6.5 12.7 0.5 20 4.0 0.9 61 B 4.4
2009 9.4 5.9 1.6 204.6 9.6 480.4 162 :1 3,928 141 0.41 0.41 B 7.6 31 6.1 11.6 0.5 21 4.1 0.6 74 B 4.1
EZD and Secchi provided by CIAA.
Open water season only.
Table 2 – Seasonal Mean Zooplankton Density and Biomass of Shell Lake
Density
Biomass
Seasonal Mean Seasonal Weighted Mean
Year (No/m2) (mg/m2)
2006 147,436 440
2007 281,941 791
2008 132,824 533
2009 231,291 621
Environmental Conditions
During the 2006 adult sockeye migration environmental conditions were monitored from 15 July
to 21 August. Due to a delay in delivery of environmental apparatus, data was not recorded for
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stream stage measurements, rainfall, stream and air temperatures. None of the days were clear,
30% were partly cloudy, 16% were mostly cloudy, and 54% were completely overcast.
During the 2007 smolt migration, environmental conditions were monitored from 30 May to 26
June. Stream stage measurements averaged 1.58 feet and ranged from 1.35 to 1.79 feet. Stream
temperatures averaged 13 C and ranged from 7 to 22 C. Air temperatures averaged 18 C and
ranged from 10 to 26 C. Thirty-two percent of the days were clear, 36% were partly cloudy, and
25% were completely overcast. Measurable rain was recorded on 11 days during the smolt
migration. A total of 309 mm of rain fell during this period.
During the 2007 adult escapement, environmental conditions were monitored from 16 July to 13
September. Stream stage measurements averaged 1.24 feet and ranged from 1.09 to 1.40 feet.
Stream temperatures averaged 16 C and ranged from 11 to 23 C. Air temperatures averaged
18 C and ranged from 10 to 29 C. Thirteen percent of the days were clear, 30% were partly
cloudy, and 33% were completely overcast. Measurable rain was recorded on 24 days during the
adult escapement. A total of 130 mm of rain fell during this period.
During the 2008 smolt migration, environmental conditions were monitored from 4 June to 28
June. Stream stage measurements averaged 1.43 feet and ranged from 0.99 to 2.03 feet. Stream
temperatures averaged 11 C and ranged from 7 to 17 C. Air temperatures averaged 20 C and
ranged from 12 to 29 C. None of the days were clear, 24% were partly cloudy, and 32% were
completely overcast. Measurable rain was recorded on 12 days during the smolt migration. A
total of 17 mm of rain fell during this period.
During the 2008 adult escapement, environmental conditions were monitored from 14 July to 3
September. Stream stage measurements averaged 0.73 feet and ranged from 0.56 to 0.90 feet.
Stream temperatures averaged 15 C and ranged from 11 to 18 C. Air temperatures averaged
20 C and ranged from 12 to 31 C. Four percent of the days were clear, 23% were partly cloudy,
and 44% were completely overcast. Measurable rain was recorded on 21 days during the adult
escapement. A total of 108 mm of rain fell during this period.
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During the 2009 smolt migration, environmental conditions were monitored from 16 May to 24
June. Stream stage measurements averaged 1.04 feet and ranged from 0.70 to 1.60 feet. Stream
temperatures averaged 13 C and ranged from 6 to 21 C. Air temperatures averaged 18 C and
ranged from 8 to 28 C. Ten percent of the days were clear, 39% were partly cloudy, and 24%
were completely overcast. Measurable rain was recorded on 15 days during the smolt migration.
A total of 29 mm of rain fell during this period.
Smolt Enumeration
The 2007 Shell Lake smolt migration was enumerated from 28 May and continued daily until 26
June. During this time, an estimated 80,600 (±68,600) sockeye (O. nerka) smolts and 70 (±23)
coho (O. kisutch) smolts migrated from Shell Lake. Personnel conducted the 10% sub-sampling
procedure to estimate 68%, or 55,010 (±68,600), of the sockeye smolts and 29%, or 20 (±23), of
the coho smolts were sub-sampled. Other fish counted included 1 chinook (O. tshawytscha)
smolt. Based on the sockeye smolt samples, an estimated 95% (±0.02%) were age 1 and 4%
(±1.08%) were age 2. The average length and weight of age 1 sockeye smolt were 110 mm
(±0.6 mm) and 12.7 g (±0.3 g). The average length and weight of age 2 sockeye smolt were 143
mm (±10.6 mm) and 27.7 g (±5.7 g).
The 2008 smolt migration was enumerated from 4 June and continued daily until 28 June.
During this time 3,200 sockeye (O. nerka) and 23 coho (O. kisutch) smolts migrated from the
lake. Based on the sockeye smolt samples collected, an estimated 84% (±0.1%) were age 1 and
16% (±0.8%) were age 2. The average length and weight of age 1 sockeye smolt were 100 mm
(±0.8 mm) and 9.0 g (±0.9 g). The average length and weight of age 2 sockeye smolt were 137
mm (±3.8 mm) and 20.2 g (±1.9 g). Other fish counted was 1 northern pike. CIAA crew
captured the fish in the smolt trap, examined the stomach contents and counted 36 sockeye
smolts.
There are three reasons for lower than expected number of smolts during the 2008 smolt
enumeration. First, CIAA suspected that a large percentage of smolts migrated from the lake
before monitoring began on 4 June. Second, the smolt trap was placed in the slow current which
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allowed migrating smolt the ability to move out of the trap and travel back to the lake. Third,
field personnel spent an insufficient amount of time managing the trap site. The crew inspected
the trap 2 to 5 times per night for up to 20 minute intervals. The combination of late trap
construction, poor trap location, and insufficient time managing the trap may have resulted in
some late-migrating smolt holding over in Shell Lake for another year. Based on the age
structure of the 2009 smolt migration, the number of fish holding over in Shell Lake was not
believed to be large.
In Spring 2009, an ash plume emitted from Mt. Redoubt was carried north by winds and settled
in the Skwenta and Talkeetna areas. Shell Lake accumulated a heavy fall of ash which resulted
in an earlier than usual ice-out. Based on Shell Lake residents’ reports, ice-out occurred on 14
May and field crew began monitoring on 16 May. The 2009 Shell Lake smolt migration was
enumerated from 16 May and continued daily until 24 June. During this time, an estimated
68,700 (±8,700) sockeye (O. nerka) and 7 coho (O. kisutch) smolts migrated from the lake.
Personnel conducted the 10% sub-sampling procedure to estimate 64%, or 44,120 (±8,700), of
the sockeye smolts were sub-sampled. Based on the sockeye smolt samples collected, an
estimated 94% (±0.01%) were age 1 and 6% (±0.4%) were age 2. The average length and
weight of age 1 sockeye smolt were 101 mm (±0.6 mm) and 10.6 g (±0.3 g). The average length
and weight of age 2 sockeye smolt were 149 mm (±4 mm) and 28.9 g (±2.2 g). Based on the
reported ice-out on 14 May, the smolt migration monitoring was considered to be complete.
During the 2007, 2008, and 2009 smolt migrations, field personnel have seen northern pike in
Shell Creek but were unable to conduct a statistically valid enumeration.
Table 3 – Summary of Shell Lake sockeye salmon smolt characteristics
Migration
Age Class (%) Mean length (mm) Mean weight (g)
Smolt Age 95% Age 95% Age 95% Age 95% Age 95% Age 95%
Year Number 1.0 C.I. 2.0 C.I. 1.0 C.I. 2.0 C.I. 1.0 C.I. 2.0 C.I.
2007 80,600 95% (±0.02%) 5% (±1.08%) 110 (±0.6) 143 (±10.6) 12.7 (±0.3) 27.7 (±5.7)
2008 3,200 84% (±0.1%) 16% (±0.8%) 100 (±0.8) 137 (±3.8) 9.0 (±0.9) 20.2 (±1.9)
2009 68,700 94% (±0.01%) 6% (±0.4%) 101 (±0.6) 149 (±4) 10.6 (±0.3) 28.9 (±2.2)
Mean 50,833 91% 9% 104 143 10.8 25.6
Min 3,200 84% 5% 100 137 9.0 20.2
Max 80,600 95% 16% 110 149 12.7 28.9
14

Adult Enumeration
The adult escapement was enumerated from 15 July and continued daily until 19 August when
the weir became inoperable due to extreme flooding conditions. During this time 69,800 adult
sockeye (O. nerka) salmon returned to Shell Creek. Other fish counted during this time were 21
pink (O. gorbuscha) salmon, 1 chum (O. keta) salmon and 1 northern pike. Adult enumeration
was terminated early due to extreme flooding conditions throughout the Susitna drainage. Based
on 2007 and 2009 escapement counts, CIAA suspected a majority of fish were enumerated
before monitoring ended.
Based on adult sockeye samples collected, 83.24% were age 1.2, 7.63% were age 1.3, 8.75%
were age 2.2, 0.19% were age 1.4, and 0.19% were age 2.3. Of the returning salmon population,
47% were male and 53% were female. The average length of adult sockeye population was 488
mm. The average length of adult sockeye males was 496 mm. The average length of adult
sockeye females was 481 mm.
ADF&G Gene Conservation Lab in Anchorage conducted a Finfish DNA Analysis to determine
the genetic characteristics and profile of the sockeye population at Shell Lake. CIAA crew
randomly collected axillary processes of adult sockeye salmon returning to the lake and samples
were sent to ADF&G Gene Conservation Lab in Anchorage for analysis. ADF&G Gene
Conservation Lab provided CIAA with sampling procedures. CIAA also assisted ADF&G Sport
Division with a Sockeye Mark-Recapture PIT tag study. Field personnel scanned 35 PIT tags
during the adult escapement. ADF&G Sport Division provided the procedures and analysis.
The 2007 Shell Lake adult salmon escapement was enumerated from 16 July to13 September.
During this time 26,863 adult sockeye (O. nerka) and 6 adult coho (O. kisutch) salmon returned
to Shell Creek. Other fish counted during this time were 2 adult pink (O. gorbuscha) salmon, 1
adult chum (O. keta), and 1 adult rainbow trout.
Shell Lake residents on two occasions reported of beaver dams hindering the migration of
salmon into the lake. On 4 August 2007, a habitat survey was conducted by the CIAA field crew
where the entire creek was surveyed by helicopter. The crew observed 2 active beaver dams
15

with fish holding below the lowest dam. Fish were also observed holding at the confluence of
the Skwentna River where poor visibility made an estimate of the number of fish impossible.
The crew notched both beaver dams, observing no fish ascending the dams while the crew was
on-site. From 16 July to August 4, no fish were seen at the outlet where CIAA crew operated the
weir. On 5 August 2007, CIAA crew counted and passed 7,911 sockeye salmon into Shell Lake.
On 21 August 2007, a second habitat survey was conducted by CIAA crew where the entire
creek was surveyed by helicopter. The crew identified 1 active beaver dam with less than 25 fish
holding below it. Fish were also observed holding at the confluence of the Skwentna River
where poor visibility made an estimate of the number of fish impossible. CIAA crew notched
the active beaver dam and no fish were observed ascending the dam while on-site.
Based on adult sockeye samples collected, 3.23% were age 1.2, 87.65% were age 1.3, 0.29%
were age 2.2 and 8.82% were age 2.3. Of the returning salmon population, 46% were male and
56% were female. The average length of adult sockeye population was 535 mm. The average
length of adult sockeye males was 548 mm. The average length of adult sockeye females was
523 mm.
ADF&G Gene Conservation Lab in Anchorage conducted a Finfish DNA Analysis to determine
the genetic characteristics and profile of the sockeye population at Shell Lake. CIAA crew
randomly collected axillary processes of adult sockeye salmon returning to the lake and samples
were sent to ADF&G Gene Conservation Lab in Anchorage for analysis. ADF&G Gene
Conservation Lab provided CIAA with sampling procedures.
During the 2007 adult salmon escapement, fecundity was sampled to assess the reproductive
potential of the sockeye salmon population at Shell Lake. Table 3 shows the average number of
eggs per female for each size class.
Table 4 - 2007 Shell Lake average female adult sockeye salmon fecundity
Class Size (mm)
450-460 460-470 470-480 480-490 490-500 500-510 510-520 520-530 530-540 540-550 550-560 560-570
Avg No. of Eggs ND 2,589 2,622 2,849 2,956 3,272 2,803 3,263 3,404 3,566 4,415 3,914
16

The 2008 Shell Lake adult salmon escapement was enumerated from 14 July to 3 September.
During this time 2,620 adult sockeye (O. nerka) salmon returned to Shell Creek. Other fish
counted during this time were 5 adult pink (O. gorbuscha) salmon.
Based on adult sockeye samples collected, 8.69% were age 1.1, 17.07% were age 1.2, 53.73%
were age 1.3, 1.37% were age 1.4, 0.69% were age 2.1, 13.91% were age 2.2, 4.19% were age
2.3, and 0.34% were age 3.3. Of the returning salmon population, 34% were male and 66% were
female. The average length of adult sockeye population was 511 mm. The average length of
adult sockeye males was 539 mm. The average length of adult sockeye females was 496 mm. A
summary of 2006-2008 adult sockeye characteristics is listed in Table 4.
During the 2006, 2007, and 2008 adult escapements, field personnel have seen northern pike in
Shell Creek but were unable to conduct a statistically valid enumeration.
Table 5 - Summary of Shell Lake adult sockeye salmon characteristics
Major Age Classes
Escapement Male
Female
1.2 1.3 2.2 2.3
Year (%) Lth (mm) (%) Lth (mm) (%) Lth(mm) (%) Lth(mm) (%) Lth(mm) (%) Lth(mm)
2006 69,800 47% 496 53% 481 83.24% 484 7.63% 528 8.75% 574 0.19% 555
2007 26,863 46% 548 54% 523 3.23% 467 87.65% 537 0.29% 443 8.82% 538
2008 2,620 34% 539 66% 496 17.07% 496 53.73% 542 13.91% 500 4.19% 544
Mean 33,094 42% 528 58% 500 34.51% 482 49.67% 536 7.65% 506 4.40% 546
Min 2,620 34% 496 53% 481 3.23% 467 7.63% 528 0.29% 443 0.19% 538
Max 69,800 47% 548 66% 523 83.24% 496 87.65% 542 13.91% 574 8.82% 555
17

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18

RECOMMENDATIONS
Shell Lake is one of the major sockeye salmon rearing lakes in the Susitna drainage. The
project should continue to collect data consistent with the previous study during smolt
migrations and adult escapements to provide further comparative data. Based on
observations from Shell Lake residents, ice-out occurs around 28 May. Increased efforts to
begin the smolt enumeration closer to this date in 2010 should be undertaken in order to
monitor the beginning of the smolt migration.
19

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20

LITERATURE CITED
CIAA, 2006. Shell Lake Procedures Manual. Cook Inlet Aquaculture Association 40610
Kalifornsky Beach Road Kenai, Alaska 99611, page 20.
CIAA 1987. Shell Lake Project Progress Report. Cook Inlet Aquaculture Association 40610
Kalifornsky Beach Road Kenai, Alaska 99611, page 3.
Koenings, J.P., J.A. Edmundson, J.M. Edmundson, and G.B. Kyle. 1986. Limnology Field and
Laboratory Manual: Methods for Assessing Aquatic Production. Alaska Department of
Fish and Game. Division of Fisheries Rehabilitation, Enhancement and Development.
Soldotna, AK 222 pages.
Kyle, G.B., King, B.E., Peltz, L.R., and Edumndson, J.A. 1993. Susitna Drainage Sockeye
Salmon Investigations: 1993 Annual Report on Fish and Limnological Surveys. Alaska
Department of Fish and Game. Division of Commercial Fisheries Management and
Development. Juneau, AK, page 40.
21

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22

APPENDICES
23

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24

Appendix 1 Shell Lake 2006 – Macrozooplankton Density
Shell A
Density (no./m2)
Seasonal
Date: 11-Aug 14-Sep 30-Sep Mean (no./m2)
Ergasilus 0
Epischura 1,433 318 584
Diaptomus 2,389 3,503 2,802 2,898
Ovig. Diaptomus 0
Cyclops 20,223 82,484 85,074 62,594
Ovig. Cyclops 0
Bosmina 16,401 22,293 13,500 17,398
Ovig.Bosmina 212 1,911 4,585 2,236
Daphnia l. 58,280 48,408 55,782 54,157
Ovig Daphnia l. 6,847 1,592 8,915 5,785
Daphnia g. 0
Holopedium 0
Chydorinae 0
Polyphemus 0
Total: 145,651
Shell B
Density (no./m2)
Seasonal
Date: 11-Aug 14-Sep 30-Sep Mean (no./m2)
Ergasilus 0
Epischura 637 318 382 446
Diaptomus 637 4,140 764 1,847
Ovig. Diaptomus 0
Cyclops 17,197 92,994 43,556 51,249
Ovig. Cyclops 318 191 170
Bosmina 13,694 24,841 26,745 21,760
Ovig.Bosmina 318 5,349 1,889
Daphnia l. 40,127 67,516 89,595 65,746
Ovig Daphnia l. 1,274 4,140 12,608 6,007
Daphnia g. 0
Holopedium 318 106
Chydorinae 0
Polyphemus 0
Total: 149,220
25

Appendix 1 (cont’d) Shell Lake 2006 – Macrozooplankton Biomass
Shell A
Body Size (mm)
Body Size (mm) Biomass (mg/m^2)
Date: 11-Aug 14-Sep 30-Sep Mean Weighted Mean Weighted
Ergasilus 0 0
Epischura 1.34 1.50 1.42 1.37 7 6
Diaptomus 1.16 1.20 1.15 1.17 1.17 19 20
Ovig. Diaptomus 0 0
Cyclops 0.82 0.79 0.83 0.81 0.81 145 144
Ovig. Cyclops 0.00 0
Bosmina 0.47 0.44 0.56 0.49 0.48 39 38
Ovig.Bosmina 0.60 0.47 0.63 0.57 0.58 7 7
Daphnia l. 0.91 0.84 0.79 0.85 0.85 174 174
Ovig Daphnia l. 1.22 1.03 1.04 1.10 1.11 33 33
Daphnia g. 0 0
Holopedium 0 0
Chydorinae 0 0
Polyphemus 0 0
Total: 424 423
Shell B
Body Size (mm) Body Size (mm) Biomass (mg/m^2)
Date: 11-Aug 14-Sep 30-Sep Mean Weighted Mean Weighted
Ergasilus 0 0
Epischura 1.70 1.54 1.10 1.45 1.49 6 6
Diaptomus 1.18 1.21 1.17 1.19 1.20 13 13
Ovig. Diaptomus 0 0
Cyclops 0.84 0.80 0.82 0.81 121 118
Ovig. Cyclops 1.14 1.12 1.06 1.11 1.11 1 1
Bosmina 0.51 0.52 0.54 0.52 0.53 57 57
Ovig.Bosmina 0.56 0.62 0.59 0.62 6 7
Daphnia l. 0.85 0.92 0.83 0.87 0.86 222 221
Ovig Daphnia l. 1.19 1.10 1.07 1.12 1.09 35 33
Daphnia g. 0 0
Holopedium 1 0.84 0.84 1 1
Chydorinae 0 0
Polyphemus 0 0
Total: 461 457
26

Appendix 1 (cont’d) Shell Lake 2006 – Water Quality
Shell A
Date:
11-Aug
14-Sep
Depth: 1 m 16 m 1 m 15 m
Sp. Cond. (umhos/cm) 31.0 33.0 32.0 33.0
pH (SU) 5.7 6.0 5.5 5.5
Alk (mg/l) 10.2 11.3 9.9 10.8
Turb (NTU) 0.2 0.2 0.6 0.4
Color (Pt) 23 22 21 21
Ca (mg/l) 4.2 4.4 4.3 5.1
Mg (mg/l) 0.5 0.6 0.4 0.3
Fe (mg/l) 79 76 91 99
TP (ug/l) 7.2 6.8 15.2 10.4
TFP (ug/l) 4.8 4.2 3.8 4.1
FRP (ug/l) 3.8 3.3 3.5 3.8
TKN (ug/l) 255.5 242.2 349.9 244.8
NH3+NH4 (ug/l) 17.4 4.1 14.8 9.5
NO2+NO3 (ug/l) 486.2 273.8 632.1 638.4
RSi (ug/l) 4139 4286 4264 4821
Org C (ug/l) 590.0 590.0 1129.0 898.0
Chla (ug/l) 1.09 0.90 1.69 0.55
Phaeo (ug/l) 0.43 0.40 0.49 0.31
R 2
0.997 0.959
EZD (m)
6.9
5.0
Secchi Disk (m) 4
4
27

Appendix 2 Shell Lake 2006 - Environmental Conditions
Adult Migration
Water Air
Precip. Stage Temp. Temp.
Date Sky (mm) (ft) Flow ( o C) ( o C)
15-Jul 3 ND ND ND ND ND
16-Jul 3 ND ND ND ND ND
17-Jul 5 ND ND ND ND ND
18-Jul 4 ND ND ND ND ND
19-Jul 5 ND ND ND ND ND
20-Jul 2 ND ND ND ND ND
21-Jul 3 ND ND ND ND ND
22-Jul 2 ND ND ND ND ND
23-Jul 2 ND ND ND ND ND
24-Jul 5 ND ND ND ND ND
25-Jul 5 ND ND ND ND ND
26-Jul 2 ND ND ND ND ND
27-Jul 2 ND ND ND ND ND
28-Jul 2 ND ND ND ND ND
29-Jul 4 ND ND ND ND ND
30-Jul 4 ND ND ND ND ND
31-Jul 2 ND ND ND ND ND
1-Aug 3 ND ND ND ND ND
2-Aug 3 ND ND ND ND ND
3-Aug 5 ND ND ND ND ND
4-Aug 4 ND ND ND ND ND
5-Aug 2 ND ND ND ND ND
6-Aug 2 ND ND ND ND ND
7-Aug 2 ND ND ND ND ND
8-Aug 2 ND ND ND ND ND
9-Aug 5 ND ND ND ND ND
10-Aug 5 ND ND ND ND ND
11-Aug 5 ND ND ND ND ND
12-Aug 5 ND ND ND ND ND
13-Aug 5 ND ND ND ND ND
14-Aug 5 ND ND ND ND ND
15-Aug 5 ND ND ND ND ND
16-Aug 4 ND ND ND ND ND
17-Aug 3 ND ND ND ND ND
18-Aug 4 ND ND ND ND ND
19-Aug 5 ND ND ND ND ND
20-Aug 5 ND ND ND ND ND
21-Aug ND ND ND ND ND ND
Total ND ND ND ND ND
Summary of Cloud Cover - Percent of Days
No. Meas. Partly
Days Rain Overcast Cloudy Clear
Adults 37 ND 54% 46% 0%
1.0 = Clear
2.0 = Cloud Cover 50%
4.0 = Overcast
5.0 = Rain
ND = No Data
28

Appendix 3 Shell Lake 2006 – Adult Escapement
Sockeye
Coho Pink Chum Rainbow Dolly Varden Other
Daily Total Daily Daily Daily Daily Daily Daily
Date Escapement Return pit tags radio tags Escapement Escapement Escapement Escapement Escapement Escapement
15-Jul 0 0 0 0 0 0 0 0 0 0
16-Jul 0 0 0 0 0 0 0 0 0 0
17-Jul 0 0 0 0 0 0 0 0 0 0
18-Jul 0 0 0 0 0 0 0 0 0 0
19-Jul 0 0 0 0 0 0 0 0 0 0
20-Jul 0 0 0 0 0 0 0 0 0 0
21-Jul 0 0 0 0 0 0 0 0 0 0
22-Jul 0 0 0 0 0 0 0 0 0 0
23-Jul 10 10 0 0 0 0 0 0 0 0
24-Jul 1,130 1,140 0 0 0 0 0 0 0 1 N. Pike
25-Jul 2,334 3,474 0 0 0 0 0 0 0 0
26-Jul 7 3,481 0 0 0 0 0 0 0 0
27-Jul 2,325 5,806 0 0 0 0 0 0 0 0
28-Jul 704 6,510 0 0 0 0 0 0 0 0
29-Jul 23 6,533 0 0 0 0 0 0 0 0
30-Jul 1,117 7,650 1 0 0 0 0 0 0 0
31-Jul 1,868 9,518 0 0 0 0 0 0 0 0
1-Aug 904 10,422 0 0 0 0 0 0 0 0
2-Aug 677 11,099 0 0 0 0 0 0 0 0
3-Aug 0 11,099 0 0 0 0 0 0 0 0
4-Aug 14,152 25,251 0 0 0 0 0 0 0 0
5-Aug 11,086 36,337 0 0 0 1 0 0 0 0
6-Aug 1,424 37,761 0 0 0 0 0 0 0 0
7-Aug 5,011 42,772 0 0 0 0 0 0 0 0
8-Aug 2,613 45,385 0 0 0 0 0 0 0 0
9-Aug 8,278 53,663 1 0 0 4 0 0 0 0
10-Aug 7,123 60,786 2 0 0 0 0 0 0 0
11-Aug 0 60,786 0 0 0 0 0 0 0 0
12-Aug 2,896 63,682 14 0 0 4 0 0 0 0
13-Aug 451 64,133 7 0 0 0 0 0 0 0
14-Aug 181 64,314 7 0 0 0 0 0 0 0
15-Aug 3,252 67,566 2 0 0 5 0 0 0 0
16-Aug 1,567 69,133 1 0 0 7 1 0 0 0
17-Aug 0 69,133 0 0 0 0 0 0 0 0
18-Aug 5 69,138 0 0 0 0 0 0 0 0
19-Aug 662 69,800 0 0 0 0 0 0 0 0
Total 69,800 35 0 0 21 1 0 0 1
29

Appendix 4 Shell Lake 2006 – Adult Sockeye Age Class
Age Group
1.1 1.2 1.3 1.4 2.2 2.3 3.2 Total
Males 0 25,458 3,896 0 2,987 130 0 32,471
Percent 0.00 36.50 5.59 0.00 4.28 0.19 0.00 47
Sample Size 0 196 30 0 23 1 0 250
Mean Lth (mm) 0 492 528 0 485 555 0 496
Std. Error 0 2 4 0 7 5 0 2
Females 0 32,600 1,429 130 3,117 0 0 37,276
Percent 0.00 46.74 2.05 0.19 4.47 0.00 0.00 53
Sample Size 0 251 11 1 24 0 0 287
Mean Lth (mm) 0 478 528 574 484 0 0 481
Std. Error 0 2 9 4 0 0 1
Both Sexes 0 58,058 5,325 130 6,104 130 0 69,747
Percent 0.00 83.24 7.63 0.19 8.75 0.19 0.00 100
Sample Size 0 447 41 1 47 1 0 537
Mean Lth (mm) 0 484 528 574 484 555 0 488
Std. Error 0 1 4 4 0 1
30

12-Jul
17-Jul
22-Jul
27-Jul
1-Aug
6-Aug
11-Aug
16-Aug
21-Aug
Adults
Appendix 5 Shell Lake - 2006 Update
Misc. Activities
Adult Migration
Ice-out: ND
(approximate date)
Dates: 15-Jul to 19-Aug
Adult Crew On-site: 15-Jul
No. %
Adult Crew Off-site: 19-Aug
Sockeyes: 69,800 100%
Mortalities: 0
Age 1.2: 58,058 83.2%
Age 1.3: 5,325 7.6%
Age 2.2: 6,104 8.7%
Age 2.3: 130 0.2%
Coho: 0
King: 0
Pink: 21
Chum: 1
Rainbow: 0
Dolly Varden 0
Northern Pike 1
Shell Lake Sockeye Adults
80,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
0
Date
31

Appendix 6 Shell Lake 2007 – Macrozooplankton Density
Site A
Density (No/m 2 )
Seasonal Mean
Date 12-Jun 12-Jul 23-Aug 27-Sep 28-Sep (No/m 2 )
Ergasilus
Epischura 637 637
Diaptomus 1,911 20,807 8,280 5,732 425 7,431
Ovig. Diaptomus
Cyclops 98,248 171,125 299,363 128,662 213,534 182,187
Ovig. Cyclops 3,025 425 1,274 1,575
Bosmina 1,274 1,699 34,395 7,643 3,821 9,766
Ovig. Bosmina 637 1,274 2,547 1,486
Daphnia l. 12,261 14,862 93,631 56,688 50,093 45,507
Ovig. Daphnia l 159 849 15,924 15,924 10,188 8,609
Daphnia r. 159 159
Holopedium 84,713 1,911 5,094 30,573
Ovig. Holopedium
Total: 117,038 209,766 538,854 217,834 285,702 287,929
Site B
Density (No/m 2 )
Seasonal Mean
Date 12-Jun 12-Jul 23-Aug 27-Sep 28-Sep (No/m 2 )
Ergasilus
Epischura 2,548 318 1,433
Diaptomus 1,592 32,803 7,006 318 10,430
Ovig. Diaptomus
Cyclops 57,643 184,713 391,083 151,592 195,364 196,079
Ovig. Cyclops 2,866 955 1,274 1,698
Bosmina 6,369 4,459 83,439 6,051 18,085 23,681
Ovig. Bosmina 318 1,274 637 1,783 1,003
Daphnia l. 18,153 26,433 40,764 14,650 31,075 26,215
Ovig. Daphnia l 637 637 4,459 3,822 8,915 3,694
Daphnia r.
Holopedium 637 35,032 6,369 4,840 11,719
Ovig. Holopedium
Total: 87,898 249,363 565,605 184,713 261,335 275,953
32

Appendix 6 (cont’d) Shell Lake 2007 – Macrozooplankton Biomass
Body Size (mm)
Body Size (mm)
Seasonal
Seasonal
Weighted
Weighted
Date 12-Jun 12-Jul 23-Aug 27-Sep 28-Sep Mean Mean Mean Mean
Ergasilus
Epischura
Diaptomus 0.62 1.19 1.17 1.17 1.02 1.03 1.15 47.47 47.47
Ovig. Diaptomus
Cyclops 0.82 0.80 0.74 0.79 0.75 0.78 0.77 369.98 369.98
Ovig. Cyclops 1.16 1.12 1.11 1.13 1.14 7.32 7.32
Bosmina 0.51 0.58 0.49 0.50 0.55 0.53 0.50 21.92 21.92
Ovig. Bosmina 0.60 0.61 0.60 0.60 0.60 4.94 4.94
Daphnia l. 0.77 1.03 0.93 0.86 0.87 0.89 0.90 158.95 158.95
Ovig. Daphnia l 1.10 1.31 1.17 1.16 1.12 1.17 1.16 52.08 52.08
Daphnia r.
Holopedium 0.70 1.03 0.88 0.87 0.72 180.52 180.52
Ovig. Holopedium 1.05 1.12 1.09
Chydorinae
Polyphemus
Site A
Total: 843 843
Site B
Biomass (mg/m 2 )
Body Size (mm)
Body Size (mm)
Seasonal
Biomass (mg/m 2 )
Seasonal
Weighted
Weighted
Date 12-Jun 12-Jul 23-Aug 27-Sep 28-Sep Mean Mean Mean Mean
Ergasilus
Epischura 1.66 1.74 1.70 1.67 26.63 26.63
Diaptomus 0.62 1.08 1.16 0.88 0.94 1.07 54.68 54.68
Ovig. Diaptomus
Cyclops 0.82 0.75 0.76 0.82 0.77 0.78 0.77 400.59 400.59
Ovig. Cyclops 1.08 1.02 1.02 1.04 1.05 6.66 6.66
Bosmina 0.60 0.56 0.50 0.49 0.48 0.53 0.50 54.21 54.21
Ovig. Bosmina 0.60 0.63 0.61 0.58 0.61 0.60 3.33 3.33
Daphnia l. 0.76 0.98 0.92 0.89 0.80 0.87 0.88 87.98 87.98
Ovig. Daphnia l 1.34 1.19 1.30 1.06 1.04 1.19 1.12 21.19 21.19
Daphnia r.
Holopedium 0.65 0.70 0.91 0.85 0.78 0.74 82.67 82.67
Ovig. Holopedium 1.11 1.08 1.05 1.08
Total: 738 738
33

Appendix 6 (cont’d) Shell Lake 2007 – Water Quality
Date Sta Depth TP TFP FRP TKN NH3+NH4 NO2+NO3 RSi Org C Chla Phaeo EZD
(m) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) TN:TP (ug/l) (ug/l) (ug/l) (ug/l) Sta (m)
12-Jun A 1 8.9 4.5 3.8 280.1 12.0 556.0 208 :1 4040 287 0.79 0.38 A 6
12-Jun A 15 5.4 4.3 16.0 494.0 :1 4251 221 0.43 0.31 B 8.7
12-Jul A 1 6.6 3.9 2.8 228.9 15.0 429.0 221 :1 3617 508 0.92 0.28 A 7
12-Jul A 8 10.7 4.2 3.3 228.9 18.0 484.0 148 :1 4044 362 0.29 0.19 B 9.2
23-Aug A 1 8.3 3.0 3.8 297.7 11.9 493.0 211 :1 4397 564 0.72 0.27 A 11.1
23-Aug A 11 5.9 3.7 3.7 255.8 10.3 386.0 241 :1 4545 441 0.66 0.26 B 12.8
27-Sep A 1 6.7 5.5 4.2 208.2 11.1 445.0 216 :1 4765 578 1.52 0.51 A 5.7
27-Sep A 14 7.5 16.1 11.5 206.8 25.2 468.0 199 :1 4931 366 1.03 0.50 B 5.1
Mean 1 - Meter 7.6 4.2 3.7 253.7 12.5 480.8 213 :1 4,205 484 0.99 0.36 A 7.5
Min 6.6 3.0 2.8 208.2 11.1 429.0 214 :1 3,617 287 0.72 0.27 5.7
Max 8.9 5.5 4.2 297.7 15.0 556.0 212 :1 4,765 578 1.52 0.51 11.1
Mean Hypolimnion 8.0 7.4 5.7 230.5 17.4 458.0 190 :1 4,443 348 0.60 0.32 B 9.0
Min 5.9 3.7 3.3 206.8 10.3 386.0 222 :1 4,044 221 0.29 0.19 5.1
Max 10.7 16.1 11.5 255.8 25.2 494.0 155 :1 4,931 441 1.03 0.50 12.8
Date Sta Depth Sp. Cond pH Alk Turb Color Ca Mg Fe Secchi
(m) (umhos/cm) (SU) (mg/l) (NTU) (Pt) (mg/l) (mg/l) (ug/l) Sta (meters)
12-Jun A 1 37 6.5 14.8 0.5 13 4.9 0.4 38 A 4.5
12-Jun A 15 38 6.5 15.2 0.8 13 4.9 0.7 56 B 4.5
12-Jul A 1 35 6.8 14.3 0.5 11 4.7 0.6 39 A 5.0
12-Jul A 8 38 6.7 14.5 0.8 12 4.9 0.6 46 B 5.0
23-Aug A 1 38 6.8 16.5 0.8 10 4.7 0.8 40 A 6.0
23-Aug A 11 38 6.8 15.6 0.4 11 5.0 0.6 33 B 6.0
27-Sep A 1 39 6.8 15.5 0.2 10 4.8 1.0 58 A 5.0
27-Sep A 14 39 6.8 15.5 0.2 10 5.2 0.9 58 B 5.0
Mean 1 - Meter 37 6.7 15.3 0.5 11 4.8 0.7 44 A 5.1
Min 35 6.5 14.3 0.2 10 4.7 0.4 38 4.5
Max 39 6.8 16.5 0.8 13 4.9 1.0 58 6.0
Mean Hypolimnion 38 6.7 15.2 0.6 12 5.0 0.7 48 B 5.1
Min 38 6.5 14.5 0.2 10 4.9 0.6 33 4.5
Max 39 6.8 15.6 0.8 13 5.2 0.9 58 6.0
34

Appendix 7 Shell Lake 2007- Environmental Conditions
Smolt Migration
Adult Migration
Water Air Water Air
Precip. Stage Temp. Temp. Precip. Stage Temp. Temp.
Date Sky (mm) (ft) Flow ( o C) ( o C) Date Sky (mm) (ft) Flow ( o C) ( o C)
30-May 3 0.0 1.79 ND 7.0 15.0 16-Jul 1 0.0 1.40 ND 18 28
31-May 4 9.0 1.79 ND 8.0 9.5 17-Jul 2 0.3 1.40 ND 19 24
1-Jun 2 15.0 1.79 ND 9.0 14.0 18-Jul 3 0.0 1.38 ND 16 19
2-Jun 2 0.0 1.79 ND 9.0 19.5 19-Jul 2 0.0 1.38 ND 17 24
3-Jun 1 42.5 1.79 ND 10.0 18.0 20-Jul 1 0.0 1.36 ND 18 25
4-Jun 5 5.0 1.78 ND 11.0 15.0 21-Jul 1 0.0 1.34 ND 19 29
5-Jun 1 0.0 1.73 ND 9.5 15.5 22-Jul 5 1.0 1.32 ND 14 19
6-Jun 1 0.0 1.70 ND 10.5 20.0 23-Jul 3 4.0 1.32 ND 14 15
7-Jun 2 15.0 1.71 ND 7.0 21.0 24-Jul 4 1.5 1.30 ND 15 15
8-Jun 5 0.0 1.68 ND 8.0 10.5 25-Jul 2 0.0 1.32 ND 17 24
9-Jun 1 4.0 1.65 ND 11.0 19.0 26-Jul 3 0.0 1.31 ND 18 24
10-Jun 1 0.0 1.60 ND 15.0 25.0 27-Jul 2 0.0 1.30 ND 16 24
11-Jun 2 0.0 1.57 ND 10.5 18.0 28-Jul 2 0.0 1.31 ND 19 25
12-Jun 1 0.0 1.55 ND 11.0 16.0 29-Jul 2 0.0 1.29 ND 20 29
13-Jun 2 0.0 1.54 ND 10.0 16.5 30-Jul 4 0.0 1.26 ND 15 17
14-Jun 1 0.0 1.54 ND 14.0 20.0 31-Jul 3 0.0 1.24 ND 15 15
15-Jun 2 0.0 1.52 ND 15.5 20.5 1-Aug 4 0.0 1.22 ND 14 15
16-Jun 2 0.0 1.48 ND 19.5 25.0 2-Aug 5 1.0 1.21 ND 14 13
17-Jun 2 0.0 1.47 ND 15.0 19.5 3-Aug 4 4.0 1.22 ND 14 15
18-Jun 1 52.0 1.48 ND 17.5 20.0 4-Aug 5 20.0 1.26 ND 14 12
19-Jun 1 0.0 1.45 ND 20.0 24.5 5-Aug 3 7.0 1.28 ND 15 20
20-Jun 2 3.0 1.40 ND 21.5 26.0 6-Aug 3 0.0 1.31 ND 14 17
21-Jun 3 0.0 1.35 ND 21.0 25.0 7-Aug 2 0.0 1.26 ND 16 20
22-Jun 4 0.0 1.39 ND 10.0 14.5 8-Aug 3 0.0 1.25 ND 17 22
23-Jun 4 8.5 1.41 ND 13.0 11.5 9-Aug 2 0.0 1.25 ND 23 24
24-Jun 5 94.0 1.35 ND 13.5 11.0 10-Aug 1 0.0 1.24 ND 19 22
25-Jun 4 61.0 1.44 ND 13.0 13.0 11-Aug 1 0.0 1.23 ND 17 21
26-Jun 3 0.0 1.45 ND 15.5 16.0 12-Aug 4 1.0 1.23 ND 19 19
Total 309 13-Aug 2 0.0 1.23 ND 16 21
Avg. 11 1.58 ND 12.7 17.8 14-Aug 4 0.0 1.20 ND 15 14
Min. 0 1.35 ND 7.0 9.5 15-Aug 3 7.0 1.23 ND 18 16
Max. 94 1.79 ND 21.5 26.0 16-Aug 3 0.0 1.22 ND 16 21
17-Aug 3 0.0 1.21 ND 15 18
18-Aug 4 7.0 1.21 ND 15 16
Ice out = ND
19-Aug 4 1.0 1.20 ND 15 15
20-Aug 4 1.0 1.20 ND 15 17
Summary of Cloud Cover - Percent of Days
21-Aug 3 4.0 1.20 ND 15 15
No. Meas. Partly
22-Aug 5 1.0 1.19 ND 15 13
Days Rain Overcast Cloudy Clear 23-Aug 3 1.0 1.20 ND 15 16
Smolts 28 39% 25% 36% 32% 24-Aug 3 5.0 1.20 ND 17 19
Adults 60 40% 33% 30% 13% 25-Aug 2 0.0 1.20 ND 17 20
26-Aug 1 0.0 1.20 ND 18 21
27-Aug 2 2.0 1.19 ND 17 18
1.0 = Clear 28-Aug 1 0.0 1.19 ND 17 19
2.0 = Cloud Cover 50% 30-Aug 2 0.0 1.16 ND 18 21
4.0 = Overcast 31-Aug 2 0.0 1.15 ND 17 17
5.0 = Rain 1-Sep 2 0.0 1.12 ND 15 14
2-Sep 2 0.0 1.12 ND 15 15
ND = No Data
3-Sep 5 2.0 1.10 ND 14 13
4-Sep 2 1.0 1.11 ND 15 16
5-Sep 2 0.0 1.10 ND 15 15
6-Sep 2 0.0 1.10 ND 14 13
7-Sep 4 0.0 1.09 ND 13 11
8-Sep 5 43.0 1.21 ND 12 10
9-Sep 4 10.0 1.22 ND 11 13
10-Sep 3 0.0 1.22 ND 12 14
11-Sep 4 0.0 1.24 ND 12 13
12-Sep 5 3.5 1.30 ND 12 11
13-Sep 5 1.5 1.32 ND 11 10
Total 130
Avg. 2 1.24 ND 16 18
Min. 0 1.09 ND 11 10
Max. 43 1.40 ND 23 29
35

Appendix 8 Shell Lake 2007 - Smolt Migration
Sockeye Coho King
Pink Chum Rainbow Dolly Varden
Date Daily Mort. Total Daily Mort. Total Daily Total Daily Total Daily Total Daily Total Daily Total
28-May 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
29-May 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
30-May 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
31-May 12 0 13 0 0 0 0 0 0 0 0 0 0 0 0 0
1-Jun 5 0 18 0 0 0 0 0 0 0 0 0 0 0 0 0
2-Jun 0 0 18 0 0 0 0 0 0 0 0 0 0 0 0 0
3-Jun 9 0 27 0 0 0 0 0 0 0 0 0 0 0 0 0
4-Jun 44 0 71 8 0 8 0 0 0 0 0 0 0 0 0 0
5-Jun 1,086 0 1,157 4 0 12 0 0 0 0 0 0 0 0 0 0
6-Jun 151 0 1,308 4 0 16 0 0 0 0 0 0 0 0 0 0
7-Jun 255 0 1,563 2 0 18 0 0 0 0 0 0 0 0 0 0
8-Jun 115 0 1,678 13 0 31 0 0 0 0 0 0 0 0 0 0
9-Jun 2,102 0 3,780 0 0 31 0 0 0 0 0 0 0 0 0 0
10-Jun 12 0 3,792 1 0 32 0 0 0 0 0 0 0 0 0 0
11-Jun 6,012 0 9,804 1 0 33 0 0 0 0 0 0 0 0 0 0
12-Jun 791 0 10,595 11 0 44 0 0 0 0 0 0 0 0 0 0
13-Jun 18 0 10,613 1 0 45 0 0 0 0 0 0 0 0 0 0
14-Jun 40,301 0 50,914 10 0 55 0 0 0 0 0 0 0 0 0 0
15-Jun 13,940 0 64,854 0 0 55 0 0 0 0 0 0 0 0 0 0
16-Jun 11,191 0 76,045 0 0 55 1 1 0 0 0 0 0 0 0 0
17-Jun 2,467 0 78,512 0 0 55 0 1 0 0 0 0 0 0 0 0
18-Jun 1,001 0 79,513 2 0 57 0 1 0 0 0 0 0 0 0 0
19-Jun 6 0 79,519 0 0 57 0 1 0 0 0 0 0 0 0 0
20-Jun 270 0 79,789 2 0 59 0 1 0 0 0 0 0 0 0 0
21-Jun 0 0 79,789 0 0 59 0 1 0 0 0 0 0 0 0 0
22-Jun 0 0 79,789 0 0 59 0 1 0 0 0 0 0 0 0 0
23-Jun 40 0 79,829 0 0 59 0 1 0 0 0 0 0 0 0 0
24-Jun 0 0 79,829 0 0 59 0 1 0 0 0 0 0 0 0 0
25-Jun 150 0 79,979 0 0 59 0 1 0 0 0 0 0 0 0 0
26-Jun 621 0 80,600 11 0 70 0 1 0 0 0 0 0 0 0 0
Total 80,600 0 80,600 70 0 70 1 0 0 0 0
36

Appendix 9 Shell Lake 2007 – Adult Escapement
Sockeye
Coho King Pink Chum Rainbow D.V.
Daily Total Daily Daily Daily Daily Daily Daily
Date Escapement Return Escapement Escapement Escapement Escapement Escapement Escapement
16-Jul 0 0 0 0 0 0 0 0
17-Jul 0 0 0 0 0 0 0 0
18-Jul 0 0 0 0 0 0 0 0
19-Jul 0 0 0 0 0 0 0 0
20-Jul 0 0 0 0 0 0 0 0
21-Jul 0 0 0 0 0 0 0 0
22-Jul 0 0 0 0 0 0 0 0
23-Jul 0 0 0 0 0 0 0 0
24-Jul 0 0 0 0 0 0 0 0
25-Jul 0 0 0 0 0 0 0 0
26-Jul 0 0 0 0 0 0 0 0
27-Jul 0 0 0 0 0 0 0 0
28-Jul 0 0 0 0 0 0 0 0
29-Jul 0 0 0 0 0 0 0 0
30-Jul 0 0 0 0 0 0 0 0
31-Jul 0 0 0 0 0 0 0 0
1-Aug 0 0 0 0 0 0 0 0
2-Aug 0 0 0 0 0 0 0 0
3-Aug 0 0 0 0 0 0 0 0
4-Aug 0 0 0 0 0 0 0 0
5-Aug 7,911 7,911 0 0 0 0 0 0
6-Aug 3,292 11,203 6 0 0 0 0 0
7-Aug 759 11,962 0 0 0 0 0 0
8-Aug 793 12,755 0 0 0 0 0 0
9-Aug 800 13,555 0 0 0 0 0 0
10-Aug 921 14,476 0 0 0 0 0 0
11-Aug 76 14,552 0 0 0 0 0 0
12-Aug 1,440 15,992 0 0 0 0 0 0
13-Aug 1,442 17,434 0 0 0 0 0 0
14-Aug 505 17,939 0 0 0 0 0 0
15-Aug 790 18,729 0 0 0 0 0 0
16-Aug 178 18,907 0 0 0 0 0 0
17-Aug 4 18,911 0 0 0 0 0 0
18-Aug 935 19,846 0 0 0 0 0 0
19-Aug 1,490 21,336 0 0 1 0 1 0
20-Aug 663 21,999 0 0 1 0 0 0
21-Aug 492 22,491 0 0 0 0 0 0
22-Aug 1,228 23,719 0 0 0 0 0 0
23-Aug 438 24,157 0 0 0 0 0 0
24-Aug 222 24,379 0 0 0 0 0 0
25-Aug 175 24,554 0 0 0 0 0 0
26-Aug 123 24,677 0 0 0 0 0 0
27-Aug 375 25,052 0 0 0 1 0 0
28-Aug 713 25,765 0 0 0 0 0 0
29-Aug 198 25,963 0 0 0 0 0 0
30-Aug 131 26,094 0 0 0 0 0 0
31-Aug 158 26,252 0 0 0 0 0 0
1-Sep 171 26,423 0 0 0 0 0 0
2-Sep 357 26,780 0 0 0 0 0 0
3-Sep 4 26,784 0 0 0 0 0 0
4-Sep 60 26,844 0 0 0 0 0 0
5-Sep 2 26,846 0 0 0 0 0 0
6-Sep 5 26,851 0 0 0 0 0 0
7-Sep 11 26,862 0 0 0 0 0 0
8-Sep 1 26,863 0 0 0 0 0 0
9-Sep 0 26,863 0 0 0 0 0 0
10-Sep 0 26,863 0 0 0 0 0 0
11-Sep 0 26,863 0 0 0 0 0 0
12-Sep 0 26,863 0 0 0 0 0 0
13-Sep 0 26,863 0 0 0 0 0 0
Total 26,863 6 0 2 1 1 0
37

Appendix 10 Shell Lake 2007 – Adult Sockeye Age Class
Age Group
0.3 1.2 1.3 2.2 1.4 2.3 Total
Males 0 236 10,587 0 0 1,421 12,244
Percent 0.00 0.88% 39.41% 0.00 0.00 5.29% 45.58%
Sample Size 0 3 134 0 0 18 155
Mean Lth (mm) 0 457 550 0 0 551 548
Std. Error 0 18 2 0 0 6 2
Females 0 631 12,959 78 0 948 14,616
Percent 0.00 2.35% 48.24% 0.29% 0.00 3.53% 54.41%
Sample Size 0 8 164 1 0 12 185
Mean Lth (mm) 0 471 527 443 0 518 523
Std. Error 0 8 1 0 7 1
Both Sexes 0 868 23,545 78 0 2,369 26,863
Percent 0.00 3.23% 87.65% 0.29% 0.00 8.82% 99.99%
Sample Size 0 11 298 1 0 30 340
Mean Lth (mm) 0 467 537 443 0 538 535
Std. Error 0 8 1 0 5 1
38

Appendix 11 Shell Lake 2007 – Average Fecundity of Female Adult Sockeye
Lth Size (mm) DATE SAMP_NO AWL_NO OV_WT_R OV_WT_L OV_SAMP W_A W_M W_P N_A N_M N_P Fecundity
450-460 ND ND ND ND ND ND ND ND ND ND ND ND ND
460-470 9-Aug 6 10 84.4 98.5 L 3.6 3.7 3.7 41 54 48 2,378
2-Sep 25 11 60.9 85 R 2.3 2.2 1.7 45 42 32 2,800
470-480 6-Aug 3 9 84.5 92.4 R 2.7 2.4 2.3 42 33 33 2,582
12-Aug 8 12 68 93.3 L 3.2 1.7 2.1 54 30 36 2,765
13-Aug 9 2 42 46.8 R 1.5 1.6 1.6 35 44 34 2,135
13-Aug 9 15 48.6 61.1 L 1.3 1.5 1.5 38 32 30 2,551
18-Aug 13 4 68.8 78.6 L 2.2 2.5 2.5 34 35 30 2,027
23-Aug 18 4 92.5 91.4 R 1.9 1.4 2.1 32 30 33 3,235
28-Aug 22 11 70.4 118 L 2 1.9 1.9 32 37 36 3,411
28-Aug 22 18 64 88.9 R 2.6 2.4 2.2 40 35 32 2,272
480-490 8-Aug 5 7 35.6 108.9 R 3.5 3.5 2.4 43 42 37 1,875
9-Aug 6 16 60.9 72.6 R 1.8 1.8 1.9 39 35 36 2,670
12-Aug 8 1 71.5 80.3 L 1.2 1.5 1.3 30 41 34 3,985
20-Aug 15 9 60.7 75.8 L 2.5 2.1 2.4 45 36 42 2,399
22-Aug 17 29 81 100.4 R 2.3 1.5 1.6 34 32 30 3,225
29-Aug 23 6 105.3 140.8 L 3.3 3 2.9 41 35 34 2,943
490-500 7-Aug 4 4 85.1 120 L 3.9 3.1 3 44 34 36 2,338
8-Aug 5 3 84.9 112.5 R 2.3 2.2 2.1 41 34 31 3,170
12-Aug 8 12 68 93.3 L 3.2 1.7 2.1 54 30 36 2,765
13-Aug 9 23 191.9 129.6 R 4.1 3.9 5.6 32 30 42 2,459
15-Aug 11 24 82.1 75.7 L 3.6 3.4 3.5 43 43 35 1,818
23-Aug 18 2 83.8 85.5 R 1.7 2.2 2.2 29 38 42 3,025
27-Aug 21 5 98.6 120.1 L 2.2 2.2 1.9 40 40 30 3,819
28-Aug 22 1 86.5 107.5 R 1.1 1.7 1.7 31 32 34 4,182
2-Sep 25 17 109.3 102.4 R 2.1 2.7 2.2 32 38 30 3,024
500-510 7-Aug 4 5 67.1 103.5 R 3 2.6 3.2 35 34 39 2,094
13-Aug 9 5 78.8 81.5 L 2.1 2.2 2 37 41 36 2,901
15-Aug 11 12 58.9 69.1 R 1.4 1.5 1.9 38 38 44 3,200
18-Aug 13 8 77.5 91.8 L 1.3 1.5 0.9 33 37 31 4,621
19-Aug 14 5 110.1 127.5 R 1.9 2.1 2.6 30 30 37 3,492
19-Aug 14 29 87.5 98.7 L 1.8 2.4 2.6 34 41 47 3,341
20-Aug 15 15 77.4 90.7 R 2.1 1.8 1.7 39 37 34 3,302
24-Aug 19 2 81.7 111.6 L 2.7 2.2 1.9 45 34 31 3,127
28-Aug 22 20 90.9 103.5 L 1.9 2 1.7 33 33 31 3,367
39

Appendix 11 (cont’d) Shell Lake 2007 - Average Fecundity of Female Adult Sockeye
Lth Size (mm) DATE SAMP_NO AWL_NO OV_WT_R OV_WT_L OV_SAMP W_A W_M W_P N_A N_M N_P Fecundity
510-520 5-Aug 1 4 84 75 L 6.5 3.6 3.8 43 30 35 1,235
5-Aug 1 10 116 75.5 R 6.3 4.4 5.7 48 73 85 2,405
7-Aug 4 2 70.2 87.3 L 2.2 1.8 1.9 43 35 31 2,910
13-Aug 9 22 97 114.9 R 2.1 2 2.7 38 32 43 3,521
15-Aug 11 3 96.2 94.3 L 3.2 2.8 2.7 46 36 37 2,606
19-Aug 14 2 108.5 114.2 R 3.9 3.7 3.9 40 35 38 2,188
20-Aug 15 7 109.5 93.8 L 2.7 2.7 2.3 44 43 42 3,406
24-Aug 19 1 83.6 99.2 R 2 2.4 2.2 39 40 39 3,268
29-Aug 23 1 189.4 156.8 R 4.3 3.5 3.7 38 33 33 3,131
2-Sep 25 3 120.7 129.5 L 2 2.9 2.7 32 36 34 3,358
520-530 6-Aug 3 5 74 73 L 2.6 2.7 2.4 39 38 35 2,138
8-Aug 5 14 82.6 109.1 R 1.9 1.7 1.9 34 33 36 3,590
12-Aug 8 13 111.6 123.1 L 2.6 3 2.9 38 46 41 3,451
13-Aug 9 10 133.9 154.4 R 2.3 3.2 3.3 32 34 40 3,473
13-Aug 9 21 90.8 119.6 R 4.7 3.6 4.4 41 32 42 1,905
19-Aug 14 27 96.7 130.3 L 3 3 2.6 39 38 30 2,824
21-Aug 16 9 92.5 100.6 R 1.9 1.7 1.8 31 31 32 3,361
22-Aug 17 25 92.5 125.3 L 1.1 1.4 2 31 31 38 4,840
26-Aug 20 3 137.1 159.1 L 2.8 2.6 2.5 36 33 32 3,787
530-540 5-Aug 1 38 92.4 95 L 4.6 5.6 3.7 32 48 39 1,604
5-Aug 2 3 87 80 R 2.3 2.1 2.2 38 31 32 2,556
10-Aug 7 7 116 184.4 L 4.7 3.5 2.6 44 39 33 3,227
10-Aug 7 11 95.1 107 R 2.4 2.1 1.6 35 34 30 3,280
19-Aug 14 12 120.1 127.8 R 2.5 2.2 2.3 39 31 33 3,648
20-Aug 15 19 116.1 134.6 L 2.5 2.8 2.5 31 37 34 3,278
21-Aug 16 1 109.4 143.7 L 2.8 1.9 2.5 37 31 32 3,515
23-Aug 18 3 105.7 146.8 R 1.6 2.3 1.6 31 38 30 4,545
27-Aug 21 3 99.8 153.1 L 2.5 2.3 2.5 39 35 34 3,742
2-Sep 25 8 93.8 121.9 R 1.3 2.1 1.8 33 42 37 4,646
540-550 5-Aug 1 25 96 113 R 7 5.1 3.5 69 56 43 2,251
5-Aug 1 33 103.5 122 L 3 2.8 2.5 42 43 38 3,342
5-Aug 1 34 73.5 80.5 R 5.9 4.8 3.6 85 34 43 1,745
6-Aug 3 6 63.4 90.5 R 6.6 2.9 3 53 34 43 1,601
12-Aug 8 2 116.2 130.5 L 2.3 2.4 1.8 42 44 37 4,668
12-Aug 8 3 112.4 114.5 R 1.8 1.6 1.1 38 35 33 5,345
20-Aug 15 4 106.4 126.1 L 2 1.8 2.1 36 32 38 4,177
27-Aug 21 9 106.3 144 R 2 2.1 2.4 34 34 43 4,274
28-Aug 22 8 195.2 201.7 L 3.2 2.6 3 39 30 35 4,691
550-560 6-Aug 3 11 97.8 101.3 R 1.7 2.3 1.9 40 66 66 5,804
9-Aug 6 5 108.7 113.3 L 2.2 1.6 1.4 41 32 32 4,483
12-Aug 8 5 95 129.2 R 2 2.4 1.5 38 48 48 5,092
15-Aug 11 15 115.5 121.8 R 3.3 2.9 2.5 42 34 34 3,000
19-Aug 14 17 114.3 152.5 L 2.3 2.2 2.1 43 38 38 4,810
22-Aug 17 3 104.5 142.9 L 2.8 2.6 2.4 39 36 36 3,521
22-Aug 17 4 169.6 187.2 R 3.2 2.5 2.8 35 31 31 4,072
2-Sep 25 4 136.1 151 L 2.6 2.7 2.1 37 40 40 4,539
560-570 9-Aug 6 2 109.4 123.7 R 3.8 2.9 2.7 54 44 41 3,447
20-Aug 15 22 158.8 212.8 R 2.5 2.5 2.8 33 31 35 4,716
20-Aug 15 22 151.1 142.6 L 2.7 3.1 2.9 32 38 36 3,578
40

28-May
1-Jun
5-Jun
9-Jun
13-Jun
17-Jun
21-Jun
25-Jun
13-Jul
18-Jul
23-Jul
28-Jul
2-Aug
7-Aug
12-Aug
17-Aug
22-Aug
27-Aug
1-Sep
6-Sep
11-Sep
Smolt
Adults
Appendix 12 Shell Lake 2007 – Update
Misc. Activities
Adult Migration
Ice-out: ND
(approximate date)
Dates: 16-Jul to 13-Sep
Smolt Crew On-site: 28-May
No. %
Smolt Crew Off-site: 26-Jun
Sockeyes: 26,863
Adult Crew On-site: 15-Jul
Mortalities: 0
Adult Crew Off-site: 13-Sep
Age 1.2: 868 3.2%
Age 1.3: 23,545 87.7%
Smolt Migration Age 2.2: 78 0.3%
Dates: 28-May to 24-Jun Age 2.3: 2,369 8.8%
No. % Coho: 6
Sockeyes: 80,600 100% King: 0
Mortalities: 0 0.0% Pink: 2
Age 1: 76,570 95% Chum: 1
Age 2: 4,030 5% Rainbow: 1
Coho: 24,287 Dolly Varden 0
90000
80000
70000
Shell Lake Sockeye Smolt
60,000
50,000
Shell Lake Sockeye Adults
60000
50000
40,000
Avg 2007
40000
30,000
30000
20000
20,000
10000
0
10,000
0
41

Appendix 13 Shell Lake 2008 – Macrozooplankton Density
Site A
Density (No/m 2 )
Seasonal Mean
Date 4-Jun 30-Jun 18-Jul 11-Aug 25-Sep (No/m 2 )
Ergasilus
Epischura 159 4,658 2,508 637 159 1,624
Diaptomus 637 42,994 63,416 29,618 7,803 28,893
Ovig. Diaptomus 358 358
Cyclops 60,510 123,965 90,645 88,854 39,490 80,693
Ovig. Cyclops 8,957 717 637 318 2,657
Bosmina 159 2,508 5,374 4,140 50,637 12,564
Ovig. Bosmina 717 2,229 1,473
Daphnia l. 318 1,075 1,433 1,274 3,344 1,489
Ovig. Daphnia l 358 478 418
Daphnia r.
Holopedium 39,053 16,123 13,376 3,662 18,053
Ovig. Holopedium
Heterocope 478 478
Total: 61,783 223,209 182,126 138,535 108,121 148,700
Site B
Density (No/m 2 )
Seasonal Mean
Date 4-Jun 30-Jun 18-Jul 11-Aug 25-Sep (No/m 2 )
Ergasilus
Epischura 1,194 4,737 1,433 796 2,040
Diaptomus 49,443 41,242 13,376 10,881 28,735
Ovig. Diaptomus 279 279
Cyclops 34,395 58,519 53,503 42,357 62,367 50,228
Ovig. Cyclops 5,732 1,951 3,842
Bosmina 318 5,971 9,196 11,943 82,006 21,887
Ovig. Bosmina 1,951 2,654 2,302
Daphnia l. 796 478 318 5,042 1,659
Ovig. Daphnia l 1,327 1,327
Daphnia r.
Holopedium 159 2,309 19,506 478 796 4,650
Ovig. Holopedium
Heterocope
Total: 35,669 123,647 132,365 69,904 165,870 116,949
42

Appendix 13 (cont’d) Shell Lake 2008 – Macrozooplankton Biomass
Body Size (mm)
Body Size (mm)
Seasonal
Seasonal
Weighted
Weighted
Date 4-Jun 30-Jun 18-Jul 11-Aug 25-Sep Mean Mean Mean Mean
Ergasilus
Epischura 1.40 1.18 1.38 1.50 1.38 1.37 1.27 13.61 13.61
Diaptomus 0.81 1.05 1.07 1.04 1.12 1.02 1.06 142.61 142.61
Ovig. Diaptomus 1.20 1.20 1.20 2.51 2.51
Cyclops 0.9 0.84 0.76 0.77 0.84 0.83 0.82 186.96 186.96
Ovig. Cyclops 1.08 1.10 1.17 1.02 1.09 1.08 11.04 11.04
Bosmina 0.62 0.75 0.60 0.58 0.56 0.62 0.57 37.38 37.38
Ovig. Bosmina 0.77 0.62 0.70 0.66 5.85 5.85
Daphnia l. 0.79 0.93 1.32 0.97 0.94 0.99 1.01 6.90 6.90
Ovig. Daphnia l 1.64 1.26 1.45 1.42 4.06 4.06
Daphnia r.
Holopedium 0.86 0.86 0.68 0.93 0.83 0.83 163.61 163.61
Ovig. Holopedium 1.19 1.19
Chydorinae
Polyphemus
Heterocope 3.22 3.22 75.88 75.88
Total: 650 650
Site B
Body Size (mm)
Body Size (mm)
Seasonal
Biomass (mg/m 2 )
Seasonal
Weighted
Weighted
Date 4-Jun 30-Jun 18-Jul 11-Aug 25-Sep Mean Mean Mean Mean
Ergasilus
Epischura 1.33 1.28 1.45 1.40 1.37 1.33 18.89 18.89
Diaptomus 1.08 0.93 1.03 1.10 1.04 1.02 130.89 130.89
Ovig. Diaptomus 1.28 1.28 1.27 2.34 2.34
Cyclops 0.87 0.80 0.80 0.80 0.82 0.82 0.81 114.67 114.67
Ovig. Cyclops 1.09 1.10 1.10 1.09 16.25 16.25
Bosmina 0.42 0.54 0.51 0.56 0.54 0.51 0.54 57.11 57.11
Ovig. Bosmina 0.64 0.62 0.63 0.63 8.30 8.30
Daphnia l. 0.56 1.13 0.77 0.83 0.82 0.82 4.84 4.84
Ovig. Daphnia l 1.10 1.10 1.10 7.12 7.12
Daphnia r.
Holopedium 0.38 1.16 1.00 1.28 0.93 0.95 1.01 55.72 55.72
Ovig. Holopedium 1.51 0.90 1.21
Heterocope
Site A
Biomass (mg/m 2 )
Total: 416 416
43

Appendix 13 (cont’d) Shell Lake 2008 - Water Quality
Date Sta Depth TP TFP FRP TKN NH3+NH4 NO2+NO3 RSi Org C Chla Phaeo EZD
(m) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) TN:TP (ug/l) (ug/l) (ug/l) (ug/l) Sta (m)
4-Jun A 1 17.9 12.4 2.2 201.3 6.0 479.8 84 :1 3,965 203 0.80 0.41 A 7.3
4-Jun A 10 11.3 7.6 2.5 198.4 7.1 512.7 139 :1 3,921 142 0.43 0.29 B 7.1
30-Jun A 1 22.4 17.6 2.5 218.6 15.5 507.1 72 :1 3,900 163 0.37 0.36 A 7.1
30-Jun A 10 9.4 6.3 2.7 178.3 7.9 544.8 170 :1 3,984 171 0.19 0.52 B
18-Jul A 1 10.6 10.0 3.7 215.7 11.7 412.0 131 :1 3,803 221 1.07 0.63 A 7.9
18-Jul A 10 7.8 7.3 2.8 185.5 16.6 476.4 188 :1 3,975 107 0.13 0.31 B
11-Aug A 1 9.0 7.5 1.7 311.0 17.8 413.9 178 :1 3,719 299 1.19 0.59 A 12.7
11-Aug A 11 8.8 5.5 1.6 275.6 7.4 400.9 170 :1 3,772 235 1.41 0.79 B 7.6
25-Sep A 1 9.9 9.2 2.1 219.3 15.8 274.3 110 :1 3,989 212 0.54 0.52 A 6.4
25-Sep A 10 6.2 4.4 2.1 212.9 12.2 400.8 219 :1 3,993 220 0.55 0.53 B
Mean 1 - Meter 14.0 11.3 2.4 233.2 13.4 417.4 103 :1 3,875 220 0.79 0.50 A 8.3
Min 9.0 7.5 1.7 201.3 6.0 274.3 117 :1 3,719 163 0.37 0.36 6.4
Max 22.4 17.6 3.7 311.0 17.8 507.1 81 :1 3,989 299 1.19 0.63 12.7
Mean Hypolimnion 8.7 6.2 2.3 210.1 10.2 467.1 172 :1 3,929 175 0.54 0.49 B 7.4
Min 6.2 4.4 1.6 178.3 7.1 400.8 207 :1 3,772 107 0.13 0.29 7.1
Max 11.3 7.6 2.8 275.6 16.6 544.8 161 :1 3,993 235 1.41 0.79 7.6
Date Sta Depth Sp. Cond pH Alk Turb Color Ca Mg Fe Secchi
(m) (umhos/cm) (SU) (mg/l) (NTU) (Pt) (mg/l) (mg/l) (ug/l) Sta (meters)
4-Jun A 1 31 6.4 12.4 0.9 22 4.0 0.7 87 A 4.0
4-Jun A 10 32 6.4 12.4 0.6 22 4.0 0.8 76 B 5.0
30-Jun A 1 30 6.8 14.4 0.5 21 4.0 0.9 51 A 5.0
30-Jun A 10 30 6.6 12.6 0.6 20 4.1 0.9 53 B 5.0
18-Jul A 1 33 6.6 12.6 0.5 19 3.9 0.7 47 A 3.5
18-Jul A 10 33 6.6 13.0 0.4 20 3.8 0.9 46 B 4.5
11-Aug A 1 31 6.9 13.5 0.5 20 3.9 0.8 55 A 4.0
11-Aug A 11 30 6.6 13.0 0.4 20 3.9 0.8 63 B 3.5
25-Sep A 1 31 6.7 12.6 0.4 18 3.9 1.1 70 A 4.0
25-Sep A 10 32 6.5 12.6 0.5 18 4.0 1.1 69 B 4.0
Mean 1 - Meter 31 6.7 13.1 0.6 20 3.9 0.8 62 A 4.1
Min 30 6.4 12.4 0.4 18 3.9 0.7 47 3.5
Max 33 6.9 14.4 0.9 22 4.0 1.1 87 5.0
Mean Hypolimnion 31 6.5 12.7 0.5 20 4.0 0.9 61 B 4.4
Min 30 6.4 12.4 0.4 18 3.8 0.8 46 3.5
Max 33 6.6 13.0 0.6 22 4.1 1.1 76 5.0
44

Appendix 14 Shell Lake 2008 – Environmental Conditions
Smolt Migration
Adult Migration
Water Air Water Air
Precip. Stage Temp. Temp. Precip. Stage Temp. Temp.
Date Sky (mm) (ft) Flow ( o C) ( o C) Date Sky (mm) (ft) Flow ( o C) ( o C)
4-Jun 2 0.0 2.03 ND 7 22 14-Jul 2 ND 0.75 ND 15 25
5-Jun 5 1.8 1.98 ND 7 15 15-Jul 4 0.0 0.75 ND 14 19
6-Jun 2 4.1 1.92 ND 8 20 16-Jul 5 4.0 0.74 ND 13 13
7-Jun 3 2.5 1.87 ND 10 23 17-Jul 5 20.0 0.81 ND 12 14
8-Jun 4 0.0 1.78 ND 8 12 18-Jul 4 12.0 0.86 ND 13 13
9-Jun 3 0.0 1.73 ND 10 20 19-Jul 2 2.0 0.85 ND 15 17
10-Jun 3 0.0 1.66 ND 10 17 20-Jul 3 3.0 0.84 ND 14 22
11-Jun 4 0.0 1.60 ND 7 14 21-Jul 5 1.0 0.82 ND 11 12
12-Jun 3 0.5 1.54 ND 11 18 22-Jul 4 2.0 0.83 ND 12 15
13-Jun 5 0.4 1.51 ND 14 20 23-Jul 5 9.0 0.84 ND 12 12
14-Jun 3 0.7 1.47 ND 9 20 24-Jul 4 14.0 0.90 ND 13 14
15-Jun 3 0.0 1.41 ND 10 22 25-Jul 3 0.0 0.89 ND 14 26
16-Jun 2 0.0 1.38 ND 13 28 26-Jul 5 0.0 0.86 ND 11 13
17-Jun 2 0.0 1.32 ND 15 28 27-Jul 3 8.0 0.88 ND 12 16
18-Jun 2 0.0 1.31 ND 16 29 28-Jul 4 0.0 0.88 ND 13 15
19-Jun 3 0.0 1.27 ND 17 22 29-Jul 4 0.0 0.86 ND 15 24
20-Jun 3 0.0 1.22 ND 14 24 30-Jul 4 0.0 0.86 ND 17 24
21-Jun 3 0.2 1.20 ND 14 19 31-Jul 1 0.0 0.84 ND 17 30
22-Jun 5 2.0 1.15 ND 8 13 1-Aug 4 0.0 0.83 ND 13 17
23-Jun 4 0.7 1.12 ND 14 19 2-Aug 3 0.0 0.84 ND 14 21
24-Jun 3 0.2 1.10 ND 10 20 3-Aug 2 1.0 0.79 ND 15 27
25-Jun 3 0.0 1.07 ND 14 17 4-Aug 3 0.0 0.77 ND 14 18
26-Jun 2 0.0 1.08 ND 14 23 5-Aug 3 2.0 0.78 ND 15 24
27-Jun 5 0.4 1.00 ND 12 12 6-Aug 2 0.0 0.78 ND 16 28
28-Jun 5 3.2 0.99 ND 8 12 7-Aug 3 0.0 0.74 ND 17 24
Total 17 8-Aug 2 0.0 0.73 ND 17 22
Avg. 0.7 1.43 ND 11 20 9-Aug 2 1.0 0.72 ND 16 16
Min. 0.0 0.99 ND 7 12 10-Aug 3 2.0 0.72 ND 15 25
Max. 4.1 2.03 ND 17 29 11-Aug 3 0.0 0.70 ND 16 28
12-Aug 4 0.0 0.68 ND 17 23
13-Aug 3 0.0 0.67 ND 16 21
Ice out = ND
14-Aug 3 0.0 0.67 ND 16 23
15-Aug 5 4.0 0.67 ND 16 15
Summary of Cloud Cover - Percent of Days
16-Aug 4 2.0 0.69 ND 15 16
No. Meas. Partly
17-Aug 2 0.0 0.69 ND 16 26
Days Rain Overcast Cloudy Clear 18-Aug 2 0.0 0.68 ND 16 27
Smolts 25 48% 32% 24% 0% 19-Aug 2 0.0 0.68 ND 17 30
Adults 52 40% 44% 23% 4% 20-Aug 2 0.0 0.66 ND 18 31
21-Aug 5 8.0 0.67 ND 16 13
22-Aug 1 1.0 0.67 ND 18 31
1.0 = Clear 23-Aug 3 0.0 0.66 ND 16 17
2.0 = Cloud Cover 50% 25-Aug 4 1.0 0.61 ND 16 17
4.0 = Overcast 26-Aug 4 0.0 0.61 ND 15 16
5.0 = Rain 27-Aug 4 0.0 0.60 ND 15 19
28-Aug 2 0.0 0.59 ND 15 26
ND = No Data
29-Aug 3 0.0 0.60 ND 16 23
30-Aug 3 0.0 0.59 ND 16 17
31-Aug 4 0.0 0.58 ND 15 16
1-Sep 4 0.0 0.58 ND 15 24
2-Sep 3 1.0 0.56 ND 15 15
3-Sep 4 10.0 0.59 ND 14 14
Total 108
Avg. 2.1 0.73 ND 15 20
Min. 0.0 0.56 ND 11 12
Max. 20.0 0.90 ND 18 31
45

Appendix 15 Shell Lake 2008 – Smolt Migration
Sockeye Coho King
Pink Chum Rainbow Dolly Varden
Date Daily Mort. Total Daily Mort. Total Daily Total Daily Total Daily Total Daily Total Daily Total
4-Jun 392 0 392 0 0 0 0 0 0 0 0 0 0 0 0 0
5-Jun 88 2 482 0 0 0 0 0 0 0 0 0 0 0 0 0
6-Jun 154 0 636 2 0 2 0 0 0 0 0 0 0 0 0 0
7-Jun 45 0 681 2 0 4 0 0 0 0 0 0 0 0 0 0
8-Jun 642 0 1,323 4 0 8 0 0 0 0 0 0 0 0 0 0
9-Jun 763 2 2,088 0 0 8 0 0 0 0 0 0 0 0 0 0
10-Jun 198 0 2,286 3 0 11 0 0 0 0 0 0 0 0 0 0
11-Jun 6 2 2,294 0 0 11 0 0 0 0 0 0 0 0 0 0
12-Jun 1 1 2,296 0 1 12 0 0 0 0 0 0 0 0 0 0
13-Jun 0 0 2,296 0 0 12 0 0 0 0 0 0 0 0 0 0
14-Jun 487 0 2,783 4 0 16 0 0 0 0 0 0 0 0 0 0
15-Jun 132 0 2,915 7 0 23 0 0 0 0 0 0 0 0 0 0
16-Jun 3 0 2,918 3 0 26 0 0 0 0 0 0 0 0 0 0
17-Jun 145 0 3,063 1 0 27 0 0 0 0 0 0 0 0 0 0
18-Jun 67 0 3,130 3 0 30 0 0 0 0 0 0 0 0 0 0
19-Jun 4 0 3,134 0 0 30 0 0 0 0 0 0 0 0 0 0
20-Jun 9 0 3,143 0 0 30 0 0 0 0 0 0 0 0 0 0
21-Jun 6 32 3,181 0 0 30 0 0 0 0 0 0 0 0 0 0
22-Jun 2 0 3,183 0 0 30 0 0 0 0 0 0 0 0 0 0
23-Jun 2 0 3,185 0 0 30 0 0 0 0 0 0 0 0 0 0
24-Jun 0 0 3,185 0 0 30 0 0 0 0 0 0 0 0 0 0
25-Jun 12 0 3,197 0 0 30 0 0 0 0 0 0 0 0 0 0
26-Jun 2 0 3,199 0 0 30 0 0 0 0 0 0 0 0 0 0
27-Jun 0 0 3,199 0 0 30 0 0 0 0 0 0 0 0 0 0
28-Jun 0 0 3,199 0 0 30 0 0 0 0 0 0 0 0 0 0
Total 3,160 39 3,200 29 1 30 0 0 0 0 0
46

Appendix 16 Shell Lake 2008 – Adult Escapement
Sockeye
Coho King Pink Chum Rainbow D.V.
Daily Total Daily Daily Daily Daily Daily Daily
Date Escapement Return Escapement Escapement Escapement Escapement Escapement Escapement
14-Jul 0 0 0 0 0 0 0 0
15-Jul 0 0 0 0 0 0 0 0
16-Jul 0 0 0 0 0 0 0 0
17-Jul 0 0 0 0 0 0 0 0
18-Jul 0 0 0 0 0 0 0 0
19-Jul 0 0 0 0 0 0 0 0
20-Jul 0 0 0 0 0 0 0 0
21-Jul 0 0 0 0 0 0 0 0
22-Jul 0 0 0 0 0 0 0 0
23-Jul 0 0 0 0 0 0 0 0
24-Jul 0 0 0 0 0 0 0 0
25-Jul 0 0 0 0 0 0 0 0
26-Jul 1 1 0 0 0 0 0 0
27-Jul 0 1 0 0 0 0 0 0
28-Jul 2 3 0 0 0 0 0 0
29-Jul 5 8 0 0 0 0 0 0
30-Jul 1,228 1,236 0 0 0 0 0 0
31-Jul 15 1,251 0 0 0 0 0 0
1-Aug 2 1,253 0 0 0 0 0 0
2-Aug 16 1,269 0 0 0 0 0 0
3-Aug 0 1,269 0 0 0 0 0 0
4-Aug 0 1,269 0 0 0 0 0 0
5-Aug 1 1,270 0 0 0 0 0 0
6-Aug 1 1,271 0 0 0 0 0 0
7-Aug 2 1,273 0 0 0 0 0 0
8-Aug 0 1,273 0 0 0 0 0 0
9-Aug 0 1,273 0 0 0 0 0 0
10-Aug 2 1,275 0 0 0 0 0 0
11-Aug 257 1,532 0 0 4 0 0 0
12-Aug 157 1,689 0 0 1 0 0 0
13-Aug 0 1,689 0 0 0 0 0 0
14-Aug 37 1,726 0 0 0 0 0 0
15-Aug 23 1,749 0 0 0 0 0 0
16-Aug 15 1,764 0 0 0 0 0 0
17-Aug 744 2,508 0 0 0 0 0 0
18-Aug 0 2,508 0 0 0 0 0 0
19-Aug 0 2,508 0 0 0 0 0 0
20-Aug 2 2,510 0 0 0 0 0 0
21-Aug 0 2,510 0 0 0 0 0 0
22-Aug 20 2,530 0 0 0 0 0 0
23-Aug 29 2,559 0 0 0 0 0 0
24-Aug 13 2,572 0 0 0 0 0 0
25-Aug 0 2,572 0 0 0 0 0 0
26-Aug 8 2,580 0 0 0 0 0 0
27-Aug 0 2,580 0 0 0 0 0 0
28-Aug 21 2,601 0 0 0 0 0 0
29-Aug 1 2,602 0 0 0 0 0 0
30-Aug 5 2,607 0 0 0 0 0 0
31-Aug 0 2,607 0 0 0 0 0 0
1-Sep 0 2,607 0 0 0 0 0 0
2-Sep 6 2,613 0 0 0 0 0 0
3-Sep 7 2,620 0 0 0 0 0 0
Total 2,620 0 0 5 0 0 0
47

Appendix 17 Shell Lake 2008 – Adult Sockeye Age Class
Age Group
1.1 1.2 2.1 1.3 2.2 1.4 2.3 3.3 Total
Males 18 183 0 557 91 9 46 0 904
Percent 0.69% 6.97% 0.00 21.27% 3.47% 0.34% 1.75% 0.00 34.49%
Sample Size 2 20 0 61 10 1 5 0 99
Mean Lth (mm) 396 506 0 556 509 577 539 0 539
Std. Error 1 7 0 3 10 9 0 2
Females 210 265 18 851 274 27 64 9 1,707
Percent 8.00% 10.10% 0.69% 32.47% 10.44% 1.03% 2.44% 0.34% 65.51%
Sample Size 23 29 2 93 30 3 7 1 188
Mean Lth (mm) 351 489 342 533 498 521 534 520 496
Std. Error 3 6 4 2 6 7 7 2
Both Sexes 228 447 18 1,408 364 36 110 9 2,620
Percent 8.69% 17.07% 0.69% 53.73% 13.91% 1.37% 4.19% 0.34% 99.99%
Sample Size 25 49 2 154 40 4 12 1 286
Mean Lth (mm) 354 496 342 542 500 535 544 520 511
Std. Error 3 5 4 2 5 7 6 1
48

28-May
1-Jun
5-Jun
9-Jun
13-Jun
17-Jun
21-Jun
25-Jun
29-Jun
3-Jul
13-Jul
18-Jul
23-Jul
28-Jul
2-Aug
7-Aug
12-Aug
17-Aug
22-Aug
27-Aug
1-Sep
6-Sep
11-Sep
Smolt
Adults
Appendix 18 Shell Lake 2008 – Update
Misc. Activities
Adult Migration
Ice-out: ND
(approximate date)
Dates: 14-Jul to 3-Sep
Smolt Crew On-site: 4-Jun
No. %
Smolt Crew Off-site: 28-Jun
Sockeyes: 2,620
Adult Crew On-site: 14-Jul
Mortalities: 0
Adult Crew Off-site: 3-Sep
Age 1.2: 447 17.1%
Age 1.3: 1,408 53.7%
Age 2.2: 361 13.9%
Smolt Migration Age 2.3: 110 4.2%
Dates: 4-Jun to 28-Jun Coho: 0
No. % King: 0
Sockeyes: 3,200 100% Pink: 5
Mortalities: 36 1% Chum: 0
Age 1: 2,688 84% Rainbow: 0
Age 2: 512 16% Dolly Varden 0
Coho: 24
Shell Lake Sockeye Smolt
Shell Lake Sockeye Adults
45,000
40,000
35,000
30,000
Avg 2008
35,000
30,000
25,000
Avg 2008
25,000
20,000
15,000
10,000
20,000
15,000
10,000
5,000
5,000
0
0
49

Appendix 19 Shell Lake 2009 - Macrozooplankton Density
Site A
Density (No/m 2 )
Seasonal Mean
Date 5-Jun 26-Jun 18-Aug 14-Sep 23-Sep (No/m 2 )
Diaptomus 191 52,739 46,624 16,051 56,554 34,432
Cyclops 94,968 98,089 98,217 40,318 128,787 92,076
Bosmina 1273.89 1,720 15,860 36,031 13,721
Daphnia l. 1,783 191 5,732 6,720 3,607
Holopedium 382 12,229 3,248 14,522 14,025 8,881
Other Copes 2,675 1,529 3,248 382 4,744 2,516
Total: 98,217 167,643 153,248 92,866 246,860 155,233
Site B
Density (No/m 2 )
Seasonal Mean
Date 5-Jun 26-Jun 18-Aug 14-Sep 23-Sep (No/m 2 )
Diaptomus 0 74,650 29,045 4,586 55,375 32,731
Cyclops 88,280 149,809 52,739 98,854 113,518 100,640
Bosmina 14,904 254,268 170,979 146,717
Daphnia l. 1,147 12,229 18,225 10,534
Holopedium 191 4,331 1,529 41,274 13,450 12,155
Other Copes 3,312 5,834 4,573
Total: 88,471 232,102 99,363 411,210 377,381 307,350
50

Appendix 19 (cont’d) Shell Lake 2009 - Macrozooplankton Body Size & Biomass
Site A
Body Size (mm)
Body Size (mm)
Seasonal
Weighted
Date 5-Jun 26-Jun 18-Aug 14-Sep 23-Sep Mean
Diaptomus 0.72 0.98 1.13 1.17 3.48 1.50
Cyclops 1.94 1.87 0.75 0.82 2.57 1.59
Bosmina 0.66 0.58 0.57 0.57 0.60
Daphnia l. 0.85 1.10 1.99 2.94 1.72
Holopedium 0.46 2.02 1.58 1.84 2.27 1.63
Other Copes 3.01 4.28 1.40 1.60 2.76 2.61
Total:
Site B
Body Size (mm)
Body Size (mm)
Seasonal
Weighted
Date 5-Jun 26-Jun 18-Aug 14-Sep 23-Sep Mean
Diaptomus 0.98 2.46 1.14 4.60 2.29
Cyclops 1.90 1.85 0.75 0.82 1.52 1.37
Bosmina 0.53 1.19 2.31 1.34
Daphnia l. 2.23 0.95 3.92 2.37
Holopedium 0.44 2.49 1.72 1.80 3.72 2.03
Other Copes 4.84 1.33 1.28 4.16 2.90
Total:
Site A & B
Biomass (mg/m 2 )
Biomass (mg/m2)
Seasonal
Weighted
Date 5-Jun 26-Jun 18-Aug 14-Sep 23-Sep Mean
Diaptomus 0.06 50.41 44.19 13.36 60.71 169
Cyclops 42.09 47.23 28.83 32.32 43.95 194
Bosmina 1.03 4.26 63.62 52.43 121
Daphnia l. 1.11 0.67 6.63 7.55 16
Holopedium 0.10 16.15 2.40 43.63 19.06 81
Other Copes 2.50 17.14 7.30 1.25 11.07 39
Total: 621
51

Appendix 19 (cont’d) Shell Lake 2009 - Water Quality
Date Sta Depth TP TFP FRP TKN NH3+NH4 NO2+NO3 RSi Org C Chla Phaeo EZD
(m) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) (ug/l) TN:TP (ug/l) (ug/l) (ug/l) (ug/l) Sta (m)
5-Jun A 1 16.8 12.2 1.4 231.1 3.6 459.1 91 :1 3950 200 1.32 0.44 A 6.7
5-Jun A 12 9.8 5.5 1.8 219.4 4.0 403.3 141 :1 3991 99 0.28 0.26 B 6.6
26-Jun A 1 14.9 10.9 1.1 241.5 11.0 442.4 102 :1 3838 160 0.54 0.28 A 6.9
26-Jun A 10 9.0 5.1 1.4 231.1 13.2 577.9 199 :1 3881 117 0.26 0.36 B 6.7
23-Jul A 1 8.0 5.1 1.2 210.7 10.4 320.0 147 :1 3848 359 1.04 0.47 A 9.2
23-Jul A 7 10.0 7.4 1.6 206.8 14.1 514.4 160 :1 3886 173 0.62 0.53 B 9.4
18-Aug A 1 8.5 4.8 1.3 210.7 6.2 449.2 172 :1 3582 230 1.25 0.57 A 8.4
18-Aug A 12 8.6 5.8 1.8 174.4 6.2 467.6 165 :1 4100 122 0.24 0.37
14-Sep A 1 12.3 7.4 1.6 215.9 9.2 298.5 93 :1 3674 255 0.99 0.51
14-Sep A 10 9.5 5.6 1.6 191.3 10.4 438.7 147 :1 3782 194 0.65 0.51
Mean 1 - Meter 12.1 8.1 1.3 222.0 8.1 393.8 113 :1 3,778 241 1.03 0.45 A 7.8
Min 8.0 4.8 1.1 210.7 3.6 298.5 141 :1 3,582 160 0.54 0.28 6.7
Max 16.8 12.2 1.6 241.5 11.0 459.1 92 :1 3,950 359 1.32 0.57 9.2
Mean Hypolimnion 9.4 5.9 1.6 204.6 9.6 480.4 162 :1 3,928 141 0.41 0.41 B 7.6
Min 8.6 5.1 1.4 174.4 4.0 403.3 149 :1 3,782 99 0.24 0.26 6.6
Max 10.0 7.4 1.8 231.1 14.1 577.9 179 :1 4,100 194 0.65 0.53 9.4
Date Sta Depth Sp. Cond pH Alk Turb Color Ca Mg Fe Secchi
(m) (umhos/cm) (SU) (mg/l) (NTU) (Pt) (mg/l) (mg/l) (ug/l) Sta (meters)
5-Jun A 1 35 6.5 12.4 0.9 18 4.4 1.0 78 A 3.0
5-Jun A 12 35 6.4 12.5 0.9 20 4.4 0.9 75 B 3.0
26-Jun A 1 34 6.6 13.2 0.4 17 4.2 1.3 51 A 4.5
26-Jun A 10 33 6.5 12.3 0.5 19 4.6 1.0 51 B 4.5
23-Jul A 1 35 6.5 12.5 0.5 13 4.7 1.0 44 A 4.5
23-Jul A 7 36 6.4 12.2 0.3 15 4.2 1.1 38 B 4.5
18-Aug A 1 34 6.6 12.8 0.4 14 4.4 0.9 42 A 5.0
18-Aug A 12 37 6.4 12.4 0.3 17 4.4 1.1 43 B 5.5
14-Sep A 1 35 6.5 13.0 1.0 14 4.5 1.0 41
14-Sep A 10 35 6.5 13.2 0.4 14 4.2 1.0 44
Mean 1 - Meter 35 6.5 12.8 0.6 15 4.4 1.0 51 A 4.3
Min 34 6.5 12.4 0.4 13 4.2 0.9 41 3.0
Max 35 6.6 13.2 1.0 18 4.7 1.3 78 5.0
Mean Hypolimnion 35 6.4 12.5 0.5 17 4.4 1.0 50 B 4.4
Min 33 6.4 12.2 0.3 14 4.2 0.9 38 3.0
Max 37 6.5 13.2 0.9 20 4.6 1.1 75 5.5
52

Appendix 20 Shell Lake 2009 – Environmental Conditions
Smolt Migration
Adult Migration
Water Air Water Air
Precip. Stage Temp. Temp. Precip. Stage Temp. Temp.
Date Sky (mm) (ft) Flow ( o C) ( o C) Date Sky (mm) (ft) Flow ( o C) ( o C)
15-May 2 ND ND ND ND ND 15-Jul 2 0.0 0.38 ND 20 25
16-May 2 0.0 1.60 ND 6 ND 16-Jul 5 0.0 0.46 ND 20 22
17-May 1 0.0 1.55 ND 8 19 17-Jul 3 19.0 0.48 ND 17 19
18-May 1 0.0 1.52 ND 7 20 18-Jul 4 1.0 0.48 ND 19 22
19-May 2 0.0 1.42 ND 9 21 19-Jul 5 4.0 0.48 ND 18 20
20-May 2 0.0 1.40 ND 6 17 20-Jul 4 1.0 0.48 ND 19 20
21-May 3 0.0 1.34 ND 7 17 21-Jul 3 1.5 0.49 ND 18 19
22-May 3 0.0 1.28 ND 7 17 22-Jul 5 4.0 0.48 ND 18 16
23-May 2 0.0 1.26 ND 10 20 23-Jul 5 5.5 0.48 ND 17 15
24-May 2 0.3 1.24 ND 12 23 24-Jul 4 1.0 0.46 ND 18 15
25-May 2 0.0 1.20 ND 13 26 25-Jul 5 0.5 0.46 ND 18 15
26-May 2 0.0 1.20 ND 15 28 26-Jul 5 20.0 0.50 ND 18 12
27-May 5 0.5 1.16 ND 8 8 27-Jul 4 10.0 0.50 ND 17 16
28-May 4 11.0 1.18 ND 9 15 28-Jul 5 3.5 0.50 ND 17 15
29-May 3 0.5 1.12 ND 9 15 29-Jul 3 24.0 0.55 ND 17 18
30-May 4 0.0 1.09 ND 7 15 30-Jul 3 0.0 0.62 ND 15 19
31-May 5 0.3 1.09 ND 8 9 31-Jul 3 15.0 0.66 ND 13 14
1-Jun 3 0.5 1.12 ND 11 18 1-Aug 3 0.0 0.61 ND 16 20
2-Jun 4 0.4 1.12 ND 12 18 2-Aug 3 0.0 0.59 ND 16 19
3-Jun 1 0.0 1.04 ND 12 21 3-Aug 1 0.0 0.59 ND 17 24
4-Jun 4 0.0 1.01 ND 12 21 4-Aug 4 0.0 0.58 ND 18 18
5-Jun 2 0.3 0.99 ND 13 20 5-Aug 4 5.0 0.58 ND 18 18
6-Jun 2 0.0 0.98 ND 17 20 6-Aug 4 15.0 0.59 ND 17 17
7-Jun 1 0.0 0.95 ND 18 22 7-Aug 2 0.0 0.58 ND 17 19
8-Jun 2 0.0 0.91 ND 17 22 8-Aug 1 0.0 0.57 ND 19 21
9-Jun 2 0.0 0.89 ND 15 22 9-Aug 2 0.0 0.57 ND 18 20
10-Jun 2 0.0 0.89 ND 21 26 10-Aug 2 0.0 0.55 ND 18 19
11-Jun 3 0.0 0.89 ND 12 17 11-Aug 2 0.0 0.55 ND 18 19
12-Jun 3 0.0 0.83 ND 12 16 12-Aug 4 0.5 0.56 ND 16 13
13-Jun 4 0.6 0.83 ND 14 15 13-Aug 5 3.0 0.58 ND 16 12
14-Jun 3 0.6 0.82 ND 16 18 14-Aug 5 16.0 0.56 ND 16 14
15-Jun 2 0.0 0.81 ND 20 24 15-Aug 3 18.0 0.57 ND 15 17
16-Jun 3 0.0 0.80 ND 19 22 16-Aug 3 19.0 0.57 ND 17 19
17-Jun 4 0.1 0.79 ND 15 15 17-Aug 2 3.0 0.56 ND 16 19
18-Jun 3 0.0 0.77 ND 17 19 18-Aug 4 12.0 0.58 ND 16 15
19-Jun 2 0.2 0.75 ND 16 18 19-Aug 2 7.0 0.57 ND 15 16
20-Jun 3 0.0 0.72 ND 14 16 20-Aug 1 0.0 0.57 ND 16 21
21-Jun 5 0.7 0.72 ND 14 12 21-Aug 1 0.0 0.58 ND 17 22
22-Jun 5 9.0 0.73 ND 15 16 22-Aug 3 0.0 0.58 ND 15 17
23-Jun 3 3.0 0.74 ND 14 13 23-Aug 5 11.0 0.58 ND 15 16
24-Jun 3 1.3 0.70 ND 15 14 24-Aug 3 0.0 0.57 ND 16 16
Total 29 25-Aug 2 0.0 0.56 ND 15 15
Avg. 0.7 1.04 ND 13 18 26-Aug 5 10.0 0.57 ND 15 13
Min. 0.0 0.70 ND 6 8 27-Aug 3 6.0 0.57 ND 16 17
Max. 11.0 1.60 ND 21 28 28-Aug 5 0.5 0.57 ND 16 14
29-Aug 2 15.0 0.60 ND 16 14
30-Aug 3 2.0 0.60 ND 16 18
Ice out = ND
31-Aug 4 0.0 0.60 ND 15 12
1-Sep 5 1.3 0.60 ND 15 10
Summary of Cloud Cover - Percent of Days
2-Sep 5 2.5 0.59 ND 14 9
No. Meas. Partly
3-Sep 2 3.0 0.59 ND 16 17
Days Rain Overcast Cloudy Clear 4-Sep 2 0.0 0.57 ND 15 17
Smolts 41 39% 24% 39% 10% 5-Sep 1 0.0 0.57 ND 15 18
Adults 55 64% 45% 27% 9% 6-Sep 2 0.5 0.58 ND 14 15
7-Sep 4 2.0 0.60 ND 15 12
Total 262
1.0 = Clear Avg. 4.8 0.55 ND 17 17
2.0 = Cloud Cover 50% Max. 24.0 0.66 ND 20 25
4.0 = Overcast
5.0 = Rain
ND = No Data
53

Appendix 21 Shell Lake 2009 - Smolt Migration
Sockeye Coho King
Pink Chum Rainbow Dolly Varden
Date Daily Mort. Total Daily Mort. Total Daily Total Daily Total Daily Total Daily Total Daily Total
16-May 47 0 47 0 0 0 0 0 0 0 0 0 0 0 0 0
17-May 45 0 92 0 0 0 0 0 0 0 0 0 0 0 0 0
18-May 21 0 113 1 0 1 0 0 0 0 0 0 0 0 0 0
19-May 77 0 190 0 0 1 0 0 0 0 0 0 1 1 0 0
20-May 152 0 342 0 0 1 0 0 0 0 0 0 1 2 0 0
21-May 13 0 355 0 0 1 0 0 0 0 0 0 0 2 0 0
22-May 40 0 395 0 0 1 0 0 0 0 0 0 0 2 0 0
23-May 71 0 466 0 0 1 0 0 0 0 0 0 0 2 0 0
24-May 7,788 9 8,263 0 0 1 0 0 0 0 0 0 0 2 0 0
25-May 1,475 0 9,738 0 0 1 0 0 0 0 0 0 1 3 0 0
26-May 2,765 0 12,503 0 0 1 0 0 0 0 0 0 1 4 0 0
27-May 0 0 12,503 0 0 1 0 0 0 0 0 0 1 5 0 0
28-May 4 0 12,507 0 0 1 0 0 0 0 0 0 0 5 0 0
29-May 1,635 0 14,142 0 0 1 0 0 0 0 0 0 0 5 0 0
30-May 4 0 14,146 0 0 1 0 0 0 0 0 0 0 5 0 0
31-May 1 0 14,147 0 0 1 0 0 0 0 0 0 0 5 0 0
1-Jun 137 0 14,284 1 0 2 0 0 0 0 0 0 0 5 0 0
2-Jun 1,579 0 15,863 2 0 4 0 0 0 0 0 0 0 5 0 0
3-Jun 26,369 0 42,232 0 0 4 0 0 0 0 0 0 0 5 0 0
4-Jun 2,207 0 44,439 0 0 4 0 0 0 0 0 0 0 5 0 0
5-Jun 1,112 0 45,551 0 0 4 0 0 0 0 0 0 0 5 0 0
6-Jun 19,825 0 65,376 1 0 5 0 0 0 0 0 0 0 5 0 0
7-Jun 894 0 66,270 0 0 5 0 0 0 0 0 0 0 5 0 0
8-Jun 247 0 66,517 0 0 5 0 0 0 0 0 0 0 5 0 0
9-Jun 322 0 66,839 0 0 5 0 0 0 0 0 0 0 5 0 0
10-Jun 265 0 67,104 0 0 5 0 0 0 0 0 0 0 5 0 0
11-Jun 345 0 67,449 1 0 6 0 0 0 0 0 0 0 5 0 0
12-Jun 38 0 67,487 0 0 6 0 0 0 0 0 0 0 5 0 0
13-Jun 29 0 67,516 0 0 6 0 0 0 0 0 0 0 5 0 0
14-Jun 906 0 68,422 0 0 6 0 0 0 0 0 0 0 5 0 0
15-Jun 56 0 68,478 0 0 6 0 0 0 0 0 0 0 5 0 0
16-Jun 168 0 68,646 0 0 6 0 0 0 0 0 0 0 5 0 0
17-Jun 1 0 68,647 0 0 6 0 0 0 0 0 0 0 5 0 0
18-Jun 1 0 68,648 0 0 6 0 0 0 0 0 0 0 5 0 0
19-Jun 9 0 68,657 0 0 6 0 0 0 0 0 0 0 5 0 0
20-Jun 0 0 68,657 1 0 7 0 0 0 0 0 0 0 5 0 0
21-Jun 3 0 68,660 0 0 7 0 0 0 0 0 0 0 5 0 0
22-Jun 0 0 68,660 0 0 7 0 0 0 0 0 0 0 5 0 0
23-Jun 0 0 68,660 0 0 7 0 0 0 0 0 0 0 5 0 0
24-Jun 0 0 68,660 0 0 7 0 0 0 0 0 0 0 5 0 0
Total 68,651 9 68,700 7 0 7 0 0 0 5 0
54

16-May
20-May
24-May
28-May
1-Jun
5-Jun
9-Jun
13-Jun
17-Jun
21-Jun
25-Jun
29-Jun
3-Jul
Smolt
Appendix 22 Shell Lake 2009 – Update
Misc. Activities
Smolt Migration
Ice-out: 14-May
(approximate date)
Dates: 15-May to 25-Jun
Smolt Crew On-site: 15-May
No. %
Smolt Crew Off-site: 25-Jun
Sockeyes: 68,700 100%
Adult Crew On-site: 15-Jul
Mortalities: 9 0.0%
Adult Crew Off-site: 7-Sep
Age 1: 64,748 94%
Age 2: 3,952 6%
Coho: 7
80,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
0
Shell Lake Sockeye Smolt
Avg 2009
55

Appendix 23 Shell Lake – Historic sockeye smolt migration
Date 1987 2007 2008 2009
9-May 0
10-May 3
11-May 3
12-May 4
13-May 11
14-May 14
15-May 19
16-May 52 47
17-May 61 92
18-May 81 113
19-May 94 190
20-May 126 342
21-May 295 355
22-May 415 395
23-May 563 466
24-May 11,172 8,263
25-May 11,742 9,738
26-May 17,027 12,503
27-May 24,127 12,503
28-May 32,984 0 12,507
29-May 36,198 0 14,142
30-May 42,974 1 14,146
31-May 42,989 13 14,147
1-Jun 43,151 18 14,284
2-Jun 43,941 18 15,863
3-Jun 46,632 27 42,232
4-Jun 46,857 71 392 44,439
5-Jun 47,726 1,157 482 45,551
6-Jun 52,782 1,308 636 65,376
7-Jun 54,172 1,563 681 66,270
8-Jun 57,923 1,678 1,323 66,517
9-Jun 59,167 3,780 2,088 66,839
10-Jun 59,570 3,792 2,286 67,104
11-Jun 59,809 9,804 2,294 67,449
12-Jun 62,623 10,595 2,296 67,487
13-Jun 62,981 10,613 2,296 67,516
14-Jun 64,383 50,914 2,783 68,422
15-Jun 64,796 64,854 2,915 68,478
16-Jun 65,685 76,045 2,918 68,646
17-Jun 67,793 78,512 3,063 68,647
18-Jun 68,939 79,482 3,130 68,648
19-Jun 69,621 79,488 3,134 68,657
20-Jun 71,995 79,758 3,143 68,657
21-Jun 72,160 79,758 3,181 68,700
22-Jun 74,794 79,758 3,183
23-Jun 75,674 79,798 3,185
24-Jun 76,663 79,798 3,185
25-Jun 77,335 79,948 3,197
26-Jun 77,781 80,600 3,200
27-Jun 78,343
28-Jun 78,465
29-Jun 78,575
30-Jun 80,403
1-Jul 81,290
2-Jul 81,772
3-Jul 82,527
4-Jul 82,785
5-Jul 83,114
6-Jul 83,198
7-Jul 83,273
Total 83,273 80,600 3,200 68,700
Avg 58,943
3-yr Avg 50,833
56

Appendix 24 Shell Lake - Historic Escapement (Sockeye)
Year Date Creek count Method Comment Lake count Method Comment
1972 7/26 5,000 ground
1972 8/10 0 ground
1972 8/18 0 ground
1972 8/29 0 0 ground
1972 8/29 50 aerial 640 aerial
1973 7/15-8/14 26 weir
1973 9/4 115 aerial
1973 9/14 200 aerial 95 aerial
1973 295 aerial 295 aerial
1974 8/26 35 aerial 0 aerial
1974 9/9 64 aerial 20 aerial
1974 10/3 0 aerial 5 aerial
1974 7/18-8/17 956 weir
1975 7/26-8/15 2,027 weir
1975 8/29 0 aerial 251 aerial
1976 8/17 900
1976 8/26 170 194
1976 9/14 120 309
1976 344 344 aerial
1977 8/24 127 172
1977 8/26 194
1977 9/1 247 aerial
1978 8/24 127
1979 9/7 1,000 480
1979 1,480
1980 5,800
1980 8/22 4,800
1980 9/11 5,500
1981 9/4 5,100 2,500
1981 9/4 2,600
1981 9/8 6,050
1981 9/8 3,500
1981 9/8 2,550
1981 10/2 3,500
57

Appendix 24 (cont’d) Shell Lake - Historic Escapement (Sockeye)
Year Date Creek count Method Comment Lake count Method Comment
1982 8/23 51 Poor cond.
1982 8/26 2,725
1982 8/27 3,150
1983 7/21 2,810
1983 9/6 12,000
1984 8/28 1,500 4,920
1984 9/4 6,100 2,500
1986 7/8-9/2 4,237 weir * weir *
1990 8/27 40 aerial * 25 aerial *
1991 8/26

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