Marine Fish and Benthos Studies - Knik Arm Bridge and Toll Authority

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MEMORANDUM DATE: October 6, 2004 TO: FROM: RE: Robin Reich, HDR Alaska, Inc. Jon Houghton, Jim Starkes, Pentec Environmental Summary of August Sampling Activities – Knik Arm, Alaska 12214-10 Intertidal and littoral habitats in Knik Arm were sampled during the period of August 23 through August 25, 2004. Fish and benthic samples were collected by beach seine and intertidal cores at the following nine stations: Regular stations: Station 13 at Point Woronzof Station 16 Northeast of Point MacKenzie Station 14 North of Port MacKenzie Station 11 North side of Cairn Point Station 7A Southwest of Eagle Bay Station 10 South of Goose Creek Additional stations: Station 1 Near the mouth of Fire Creek Station 3 Northeast of Eagle Bay Station 7 Southwest entrance to Eagle Bay A Division of Hart Crowser, Inc. 120 Third Avenue South, Suite 110 Edmonds, Washington 98020-8411 Fax 425.778.9417 Tel 425.775.4682
HDR Alaska, Inc. 12214-10 October 6, 2004 Page 2 Stations 3, 7, 10, 11, and 13 corresponded to those areas sampled in 1983 for the Knik Arm Marine Studies Report. Fish observed during sampling activities were captured using the beach seine. Table 1 presents a summary of the fish species captured during beach seine sampling. Table 1 - Fish Species Observed during Beach Seine Activities at Knik Arm Species Station 1 3 7a 7 10 11 13 14 16 Chinook salmon Juvenile X X X X Adult Coho salmon Juvenile X X X X Adult X X X X X Chum salmon Juvenile Adult Pink salmon Juvenile Adult Sockeye salmon Juvenile X X X X X X X X Adult Threespine stickleback X X X X X X X X X Ninespine stickleback X X X X X X X X Saffron cod X X X X X X X Pacific staghorn sculpin X Longfin smelt X X X Prickleback Threespine and ninespine stickleback were the most common fish species observed during seining activities, followed by juvenile salmonids. The composition of salmonids was somewhat different then those observed during the July sampling period. Fewer adult salmon were captured and all were coho salmon, compared with the July sampling effort in which coho, sockeye, pink, and chum adults were observed. Of the juvenile salmonids,
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Marine Fish and Benthos Studies in
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CONTENTS Page EXECUTIVE SUMMARY E-1
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CONTENTS (CONT.) FIGURES (CONT.) 14
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MARINE FISH AND BENTHOS STUDIES IN
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Among the non-salmonids, threespine
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The extreme turbidity and poor visi
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MARINE FISH AND BENTHOS STUDIES IN
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2.2 Sample Methods MacKenzie facili
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will conduct a fatty acid analysis
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2.3 Laboratory Analysis (Figure 3).
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Null hypotheses were tested using t
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3.2.3 KA 3 - North Entrance to Eagl
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3.2.10 KA 11 and KA 11A - Cairn Poi
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3.2.15 PM SS and PM S1 through PM S
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plus range) seen in July of both ye
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greater number of stations sampled)
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were common throughout the summer.
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3.3.2.5 Longfin Smelt 2004. Two-hun
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3.3.2.9 Tide Stage vs. Catch Beach
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(4.0 per set) followed by pink salm
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Ten species of fish were captured i
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species of polychaete worm, Neanthe
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3.4.4 Facilities Sampling 3.4.4.1 F
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flow meter reading to standardize t
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each seines in 2005. In summer/fall
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salmonid catches in Moulton’s (19
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(Figure 8), the larger size of the
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4.4 Knik Arm Ecological Conditions
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An apparent near absence of inverte
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4.4.4 Importance of Littoral Habita
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5.0 REFERENCES Bakus, G., M. Orys,
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Simenstad, C.A., C.D. Tanner, W.M.
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Table 1 - Knik Arm 2004 and 2005 Sa
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Table 3 - Total 2004 and 2005 Month
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Table 5 - Fish CPUE in 2004; 120-Fo
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Table 7 - Fish CPUE in 2005; 120-Fo
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Table 9 - Fish CPUE in 2005 as a Fu
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Table 11 - Total Fish CPUE by Tow N
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Table 13 - Total Catch and CPUE in
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Table 15 - Total Fish Catch in 2005
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Table 17 - Statistical Analyses of
Page 83 and 84: Table 19 - Total Catch and CPUE of
Page 85 and 86: Pentec Environmental 12214-12 Novem
Page 87 and 88: 6-2 Knik Arm Crossing Tow Net Locat
Page 89 and 90: Water Quality of Knik Arm, 2004 - 2
Page 91 and 92: Juvenile Salmonid CPUE over Time; 1
Page 93 and 94: Length Frequencies of Juvenile Coho
Page 95 and 96: Length Frequencies of Juvenile Chum
Page 97 and 98: CPUE for Stickleback Species; 120-F
Page 99 and 100: CPUE for Saffron Cod and Longfin Sm
Page 101 and 102: Length Frequencies of Longfin Smelt
Page 103 and 104: Juvenile Salmonid CPUE over Time in
Page 105 and 106: Non-Salmonid CPUE over Time in Tow
Page 107 and 108: Length Frequencies of Sockeye Salmo
Page 109 and 110: Length Frequencies of Chinook Salmo
Page 111 and 112: Invertebrate CPUE by Species in 200
Page 113 and 114: Relationship of Tidal Stage and Inv
Page 115 and 116: Invertebrate CPUE by Transect in 20
Page 117 and 118: Invertebrate Monthly CPUE in Port M
Page 119 and 120: Invertebrate CPUE by Station; Port
Page 121 and 122: Pentec Environmental 12214-12 Photo
Page 131 and 132: MEMORANDUM DATE: August 13, 2004 TO
Page 133: HDR Alaska, Inc. 12214-10 August 13
Page 137 and 138: MEMORANDUM DATE: October 6, 2004 TO
Page 139 and 140: HDR Alaska, Inc. 12214-10 October 6
Page 141 and 142: HDR Alaska, Inc. 12214-10 November
Page 143 and 144: MEMORANDUM DATE: November 22, 2004
Page 145 and 146: HDR Alaska, Inc./Integrated Concept
Page 147 and 148: MEMORANDUM DATE: May 13, 2005 TO: F
Page 149 and 150: HDR Alaska, Inc. 12214-12 May 13, 2
Page 155 and 156: MEMORANDUM DATE: July 8, 2005 TO: F
Page 157 and 158: HDR Alaska, Inc. 12214-12 July 8, 2
Page 159 and 160: MEMORANDUM DATE: August 10, 2005 TO
Page 161 and 162: HDR Alaska, Inc. 12214-12 August 10
Page 163 and 164: HDR Alaska, Inc. 12214-12 August 10
Page 165 and 166: APPENDIX B Invertebrate Data Sheet
Page 167 and 168: APPENDIX B Invertebrate Data Sheet
Page 169 and 170: Appendix B (cont.) Table B-2: Inver
Page 171 and 172: Appendix B (cont.) Table B-5: Stati
Page 173 and 174: Table C-1: Summary of CPUE by all G
Page 175: Table C-3 Summary of Catch and Perc
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Marine Fish and Benthos Studies - Knik Arm Bridge and Toll Authority

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