Draft TRT Document â for Discussion Purposes ... - NWIFC Access

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Draft TRT Document – for Discussion Purposes – OK to circulateSteelhead Spawning Puget Sound 19320.6DungenessPuyallupGreen RiverSkykomishSamishNooksack0.50.40.30.20.10Proportion of Egg TakeDateNooksack Samish Skykomish Green River Puyallup DungenessSteelhead Spawning Puget Sound 1938DungenessPuyallupGreen RiverSkykomishSamishNooksack0.80.70.60.50.40.30.20.10Proportion of Egg TakeDateNooksack Samish Skykomish Green River Puyallup DungenessFigures 6a and 6b. Temporal distribution (proportion of total egg take) of egg collectionfor steelhead returning to Washington Department of Game facilities in 1932 and1938. Egg collection dates may not be representative of natural spawn timing.There was no egg collection at the Green River Hatchery in 1932 (WashingtonState Archives, undated.38
Draft TRT Document – for Discussion Purposes – OK to circulateFigure 7. Standardized distribution of steelhead eggs collection at the Puyallup Hatchery from1932 to 1939 (1934 not included) (WDFW undated). The grey line approximates theMarch 15 th spawning date currently used to discriminate between hatchery and native fish.39
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Appendix 12. TRT score sheet for id
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Draft TRT Document â for Discussion Purposes ... - NWIFC Access