| Monitoring salmon habitat status and trends in Puget Sound : development of sample designs, monitoring metrics, and sampling protocols for large river, floodplain, delta, and nearshore environments - :14918 | National Marine Fisheries Service (NMFS)
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Monitoring salmon habitat status and trends in Puget Sound : development of sample designs, monitoring metrics, and sampling protocols for large river, floodplain, delta, and nearshore environments
  • Published Date:
    2017
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Monitoring salmon habitat status and trends in Puget Sound : development of sample designs, monitoring metrics, and sampling protocols for large river, floodplain, delta, and nearshore environments
Details:
  • Corporate Authors:
    Northwest Fisheries Science Center (U.S.)
  • Description:
    "It is the statutory responsibility of the National Marine Fisheries Service (NMFS) to evaluate progress toward recovery of Puget Sound Chinook salmon (Oncorhynchus tshawytscha), Hood Canal summer chum salmon (O. keta), and Puget Sound steelhead (O. mykiss), which were listed under the U.S. Endangered Species Act (ESA) in 1999 and 2007 (NMFS 1999a, 1999b, 2007a). As part of this responsibility, NMFS must assess the status of each listed population every five years, as well as the status and trends of key listing factors. One of the key listing factors for these three Evolutionarily Significant Units (ESUs) is the degraded quantity, quality, and distribution of habitat supporting these species. However, there are no consistent freshwater and nearshore habitat data across Puget Sound with which to assess habitat status or trends. Moreover, there is currently no program established to collect those data for assessing status and trends of salmon habitats in Puget Sound. Our goal in this project was to develop a habitat monitoring program for the four distinct salmon and steelhead spawning and rearing environments of Puget Sound: large rivers, floodplains, deltas, and the nearshore. This program will provide data to assess habitat changes across each ESU and help determine whether habitat conditions are improving, static, or declining at future status reviews for each of the listed species. We have five objectives for the first year of this monitoring effort: 1) to develop a hierarchical sampling design to monitor habitat status and trends, 2) to identify habitat metrics that are cost-effective and related to Viable Salmonid Population (VSP) parameters (abundance, population growth rate, population structure, and diversity), 3) to develop protocols to measure these metrics, 4) to test satellite, aerial photography, and field observation methods for repeatability and reliability, and 5) to evaluate habitat status to assess the ability of each metric to detect habitat differences among the chosen land-cover strata"--Executive Summary. [doi:10.7289/V5/TM-NWFSC-137 (https://doi.org/10.7289/V5/TM-NWFSC-137)]

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