Operational Plan for the Restoration of Diadromous Fishes to the ...

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passages, weekly biological samples taken at Milford, biweekly beach seine surveys, and annual boat electrofishing survey. Additional special methods may be needed for the remaining species. Operational Objectives, Measures, and Strategies Throughout this section of the Operational Plan the first migration season after the removal of both Great Works Dam and Veazie Dam is termed Yr0. Further, selfsustaining is defined as “A population that exists in sufficient numbers to replace itself through time without supplementation (hatchery or wild caught fish or eggs).” 1.0 Objective: Rebuild the shortnose sturgeon population to self-sustaining levels in historical habitat within 40 years. 1.1 Measure: Beginning in Yr0 the shortnose sturgeon population will increase by 30% 5 each generation (14 years) by natural reproduction of wild fish. 1.1.1 Strategy: Estimate the size of the existing population by 2012 (or prior to Yr0). 1.1.2 Strategy: Identify existing essential habitat by 2012 (or prior to Yr0). 1.1.3 Strategy: Obtain genetic analysis by 2012 (or prior to Yr0). 1.1.4 Strategy: Identify and quantify sources of mortality. 1.1.5 Strategy: Estimate the size of the population at least 20 and 40 years after Yr0. 1.1.6 Strategy: Reassess essential habitat 1-2, 20 and 40 years after Yr0. 2.0 Objective: Rebuild the Atlantic sturgeon population to self-sustaining levels in historical habitat within 40 years. 2.1 Measure: Beginning in Yr0 the Atlantic sturgeon population will increase by 30% 6 each generation (20 years) by natural reproduction of wild fish. 2.1.1 Strategy: Estimate the size of the existing population by 2012 (or prior to Yr0). 2.1.2 Strategy: Identify existing essential habitat by 2012 (or prior to Yr0). 2.1.3 Strategy: Obtain genetic analysis by 2012 (or prior to Yr0). 2.1.4 Strategy: Identify and quantify sources of mortality. 2.1.5 Strategy: Estimate the size of the population at least 20 and 40 years after Yr0. 2.1.6 Strategy: Reassess essential habitat 1-2, 20 and 40 years after Yr0. 5 Based on rate of increase in Kennebec River shortnose sturgeon determined from mark-recapture population estimates made in the late-1970s and mid-1990s. During this period there was significant improvement in water quality, but no change in available habitat. Ongoing telemetry studies indicate that shortnose sturgeon in the Penobscot River may be part of the Kennebec/Androscoggin population. 6 CPUE data for Atlantic sturgeon in the Kennebec River increased by a factor of 10-25 over a 20year period from 1977 to 2000. However, the data are limited, and high flows in the early years may have caused low catches and low CPUE. In the absence of other data, we have assumed that Atlantic sturgeon will increase at the same rate as shortnose sturgeon. PRFP Page 6
3.0 Objective: Rebuild the rainbow smelt population to self-sustaining levels in historical habitat within 45 years. 3.1 Measure: In Yr15 (5 generations or 15 years after Yr0) the rainbow smelt population will equal or exceed the 1970 level of abundance 7 or the current abundance, age structure will not have declined from the 1970 level or current level, and smelt will utilize the newly accessible habitat between Veazie and Milford. 3.1.1 Strategy: Document the age structure of the existing rainbow smelt population by 2012 (or prior to Yr0). 3.1.2 Strategy: Estimate the size of the rainbow smelt population in 2012 (or prior to Yr0) if feasible. 3.1.3 Strategy: Estimate the size of the rainbow smelt population and assess its use of habitat between Veazie and Milford by Yr15. 3.1.4 Strategy: Conduct biweekly beach seine survey to assess juvenile fishes. 3.2 Measure: In Yr30 the rainbow smelt population will be 25% larger than in Yr15. 3.2.1 Strategy: Estimate the size of the rainbow smelt population in Yr30. 3.3 Measure: In Yr45 the rainbow smelt population will be 25% larger than in Yr30. 3.3.1 Strategy: Estimate the size of the rainbow smelt population in Yr45. 4.0 Objective: Rebuild the Atlantic tomcod population to self-sustaining levels in historical habitat within 40 years. 4.1 Measure: Each five generations (15 years) after Yr0 the Atlantic tomcod population will increase by 10%, and mercury accumulation in body tissue will have decreased from 2008 levels. 4.1.1 Strategy: Develop and institute a survey to assess trends in Atlantic tomcod population and habitat use. 4.1.2 Strategy: Test tomcod periodically for mercury (see Habitat Section 3). 4.1.3 Strategy: Conduct biweekly beach seine survey to assess juvenile fishes. 5.0 Objective: Rebuild sea-run brook trout populations to self-sustaining levels in historic habitat within 40 years. 5.1 Measure: The current distribution and abundance of brook trout populations with a sea-run component will remain stable or increase by Yr10 (10 years after Yr0). 5.1.1. Identify brook trout populations in the Penobscot basin with a sea-run component by Yr5 (5 years after Yr0). 7 DMR estimated the rainbow smelt population in the Penobscot River at two million fish, comprised of at least five spawning stocks[0]. PRFP Page 7
Page 1 and 2: Operational Plan for the Restoratio
Page 3 and 4: Table of Contents Introduction ....
Page 5 and 6: Introduction The overarching goal o
Page 7 and 8: Section 1 - Alewife, American eel,
Page 9: Introduction Five species (shortnos
Page 13 and 14: Table 1. List of lakes above Veazie
Page 15 and 16: Figure 1. Alewife Phase 1 habitat (
Page 17 and 18: Table 2. River habitat that histori
Page 19 and 20: Work Plan Table The budget includes
Page 21 and 22: 3.1.3, 3.2.1, and 3.3.1 Estimate th
Page 23 and 24: USFWS (Seavey). Analysis may includ
Page 25 and 26: A boat electrofishing survey (Yoder
Page 27 and 28: Table 5. Results of natural recolon
Page 29 and 30: Because adult shad mortality increa
Page 31 and 32: 11.0 Rebuild the striped bass popul
Page 33 and 34: meta-population. Based on watershed
Page 35 and 36: Objective 12: Increase wild/natural
Page 37 and 38: Work Plan Table The budget includes
Page 39 and 40: 14.1.2 14.1.3 14.2.1 14.2.2 14.2.3
Page 41 and 42: 12.1.4 Operate the adult Atlantic s
Page 43 and 44: 12.6.1 Proposal to investigate natu
Page 45 and 46: the ability to target specific area
Page 47 and 48: occur. Assessment is likely to incl
Page 49 and 50: smolts needs to be documented (Task
Page 51 and 52: Section 2 - Passage and Connectivit
Page 53 and 54: Atlantic salmon. Two dams on the St
Page 55 and 56: On the tributaries, the downstream
Page 57 and 58: can prevent the successful downstre
Page 59 and 60: ensure maximum emigration of target
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18.1.2 Strategy: Develop/conduct as
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21.1.1 Strategy: Develop a Memorand
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17.1.6 17.2.1 17.2.2 17.2.3 17.2.4
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17.6.5 17.6.6 17.6.7 18.1.1 18.1.2
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20.1.6 20.1.7 20.1.8 20.1.9 20.2.1
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Over the past 20 years, there have
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that address fish passage. Similarl
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17.2.4 Assess Fish Passage Improvem
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17.5.1 Review the FERC License and
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18.1.1 Review Need and Process to I
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19.1.4 Consult and/or Partner with
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goals, DMR will need to work with l
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21.1.5 Develop Memorandum of Unders
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Section 3 - Habitat PRFP Page 83
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Hydrology Riparian and organic inpu
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22.8 Strategy: Undertake an IFIM to
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Work Plan Narratives 22.1 Expand US
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Recent surveys in coastal Maine riv
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Section 4 - Non-Native species incl
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23.1.1.1.1.2 East Branch Pond, whic
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Investigate and maintain current bl
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The dam at Schoodic Lake has a 6’
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Work with IFW regional biologists t
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Authors: Joan Trial and Melissa Las
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Objective 28: Support regional and
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Coordinate data collection and shar
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Work Plan Narratives 26.1. Convene
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27.5 Hold an interagency technical
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River Restoration Trust (PRRT or Tr
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Appendices Appendix A - Role of Hat
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Population Structure The ‘concept
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supplementation have been highly su
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3. Blueback Herring Meristic/Morpho
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populations, Waldman et al. (1996)
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Summary No specific information is
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References Anderson, M.G., Vickery,
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Cumberland Basin, New Brunswick. Ph
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Table 1. Sub-drainage and reaches i
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itself verses mortality that may oc
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We estimated cumulative dam mortali
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Female Returns 16000 14000 12000 10
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that must be passed. Furthermore, h
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Appendix C - Penobscot Habitat and
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Parr density (no. / 100 m 2 ) 45 40
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Enfield Weldon to West Enfield Matt
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Habitat (units) Parr Production Hab
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Figure 8. Optimal parr production s
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Subwatershed Dam Reach Management R
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lakes fisheries: a general review a
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ecommended adjustments. While other
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Major flexibility constraints of th
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Table 6. Continued. YOY Parr Result
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Appendix E - Atlantic Salmon Fisher
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easonably be accessed; and 4) minim
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Approximately 600,000 smolts are st
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operations. Adult fish reared speci
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Methods We chose to divide the Peno
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• Measure 1b: Sub-drainages with
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Objective 3: Discontinue supplement
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� Strategy- Assess environmental
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Appendix G - Habitat Survey and Ass
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elated to diadromous fishes upstrea
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designs (GRTS), where samples are r
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with panels starting in year 1, 2,
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incorporate further refinements unt
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in statistical analyses stratum Str
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Appendix I - Downstream Passage Stu
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MILFORD (FERC No. 2534) Project Des
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Bangor-Pacific Hydro Associates. 19
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Shepard, S.L. and S.D. Hall. 1991.
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Options under the Multiparty Settle
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As a result of the discussion at th
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By 2000, PPL (new owner of the dams
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arriers to prevent movement of pike
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Kennebec 2008 WhittierPond Vienna N
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are a coldwater species and need ac
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Figure 4. Total species composition
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northern pike (Lucas 2008, Scott an
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Above1 Run 16.3 551 7 FLF, YLP, WHS
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any given water. During warmer peri
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In Maine, lake trout feed primarily
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Piscataquis drainage will likely of
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approximately 14°C”. These tempe
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cover, and aquatic macrophytes are
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and 2) the availability of data in
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Table 5 Northern Pike Waterway Habi
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4. The 40 largest watebodies in the
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5. About 97 percent of the rivers a
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Human-Caused Introductions Backgrou
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Table 7 Maine Lake Northern Pike Di
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Pattern of Introduction and Dispers
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4) The model developed by Solow and
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Inventory of Risk Rating for Waterb
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(Buck's Falls and Cowyard Falls), m
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Prescott Pond Little Wilson Stream
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Summary of Ecological Risk Introduc
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No improvements were made over the
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Level 3 Management actions These ar
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d. Conduct habitat surveys of the P
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Gallagher, M., R. Dill and G. Krame
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Starfield, A. M. and A. L. Bleloch.
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Appendix A: Trapping/Sorting/Counti
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means to “provide safe, timely an
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comprise the majority of fish passi
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exclusion. Information from publish
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A series TSCF system would route al
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(i.e., total exclusion of the targe
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PRFP Page 281
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PRFP Page 283
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Appendix B Outline for Preliminary
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channel would carry almost 1000 cfs
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powerhouse), rock weir/chevron/rest
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PRFP Page 291
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PRFP Page 294
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PRFP Page 296
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populations. Although each member s
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Appendix K - Northern Pike Movement
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MAINE DEPARTMENT OF MARINE RESOURCE
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Table of Contents (Cont’d) LIST O
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2.0 DESCRIPTION OF THE STUDY AREA 2
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3.0 METHODS Both streams were surve
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4.0 RESULTS 4.1 East Branch Lake 4.
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elevation) difference from the crib
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Figure 4: Water and Channel Elevati
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A portion of the stream passes to t
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4.1.3 Wangan and Sanborn brooks are
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Photo 6: View Looking Northwesterly
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location that would prevent fish fr
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APPENDIX 1 SURVEY OF NATURAL BARRIE
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Figure A-1: Orientation of Study Si
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Photo A-3: View from within Sanborn
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Response to Comments and Suggested
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Response: Early mortality syndrome
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population can provide 97,500 alewi
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DMR proposes to expand the Waldobor
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Salmon Comment: There are advocates
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Table 4. Species disposition Specie
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Kingsbury Pond X Long Pond X Long P
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Halfmoon Pond X Hammond Pond X X X
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West Garland Pond X West Lake X X X
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spread of any invasive species, and
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Response: There are conditions when
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Comment: Plan often uses the terms
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