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Klamath Project Operations Biological Assessment Coho Salmon: Effects of the Proposed Action on Coho Salmon throughout the Klamath River Basin. Those Technical Memorandums as well as the Cramer Fish Sciences’ responses to comments received are posted on a website dedicated to this modeling effort 38 . A report describing the completed model and its findings is attached to this BA, as Appendix 3-B. Components of the Analytical Framework Three quantitative models were combined to produce an analytical framework for evaluating the Proposed Action’s effects on the four VSP criteria: (1) A spatially and temporally explicit life-cycle model used to evaluate the relative change in abundance, productivity, spatial structure and diversity of Klamath River coho salmon based on different temperature and flow conditions (2) An operations model used to provide the flow release schedule from IGD according to a range of precipitation inflow scenarios for the Upper Klamath River Basin (3) A hydrodynamic temperature model (Watercourse Engineering 2007) was used to simulate temperature and flow conditions from IGD to the estuary for a wide range of flow releases Simulated temperature and flow data provided the inputs for the coho salmon lifecycle model. The combined information from these three models allows Reclamation to evaluate the effects of their proposed action on the four VSP criteria for Klamath River coho salmon (Figure 3-25). 38 259
Klamath Project Operations Biological Assessment Coho Salmon: Effects of the Proposed Action on Coho Salmon Figure 3-25. Major components of the analytical framework assembled to assess the Proposed Action’s effects on coho salmon viability. Water Resources Integrated Hydrodynamic Temperature Model Iron Gate Dam Flow Coho Salmon Life-Cycle Model Main Stem Temperature/Flow Diversity Spatial St t Productivity Abundan Overview of Coho Salmon Life-Cycle Model The Klamath River coho salmon life-cycle model was developed to predict the effects of Reclamation’s operation of the Klamath Project on natural production of coho salmon within the Klamath River Basin. These predictions were used to evaluate how different water management scenarios might affect production and sustainability of Klamath River Basin coho salmon. 260
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Biological Assessment The Effects o
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Biological Assessment The Effects o
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Klamath Project Operations Biologic
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EXECUTIVE SUMMARY This biological a
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Part 1 INTRODUCTION, ACTION AREA, A
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Part 2 ENDANGERED SUCKERS Sucker De
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Table 2-7. Upper Klamath Basin Nutr
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Part 3 COHO SALMON Information abou
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Environmental Baseline Klamath Proj
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T&C 5 T&C 6 T&C 7 T&C 8 Fund instre
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Page 234 and 235: Klamath Project Operations Biologic
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Accomplishment Report, Winter 2007.
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