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Habitat Assessment and Salmon Life-Cycle Models for the Chehalis Basin Aquatic Species Restoration Plan: Summary of Research Products
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2023
[PDF-1.28 MB]
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Description:A key element of the Aquatic Species Restoration Plan (ASRP) for the Chehalis Basin is habitat restoration for anadromous salmonids of economic and cultural significance, including spring- and fall-run Chinook salmon (Oncorhynchus tshawytscha), coho salmon (O. kisutch), steelhead (O. mykiss), and chum salmon (O. keta). To assist with development of the Chehalis River basin Aquatic Species Restoration Plan (ASRP), the National Oceanic and Atmospheric Administration (NOAA) Northwest Fisheries Science Center developed a suite of analyses and life-cycle models to (1) assess habitat changes from historical (preEuro-American settlement or natural potential) conditions to present, (2) evaluate which types of habitat changes most limit rebuilding of salmon populations within the Chehalis Basin, and (3) model future restoration scenarios for the ASRP. The identification of habitat restoration potential using diagnostic scenarios was intended to help identify key restoration actions for salmon populations in the basin, and the restoration scenario analysis was intended to estimate potential benefits of proposed restoration actions. This final report summarizes the suite of products from the NOAA watershed assessment and life-cycle model, focusing on products that support the Aquatic Species Restoration Plan.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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