Article Instance

HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "pk": 62760,
    "title": "Science Advancements Key to Increasing Management Value of Life Stage Monitoring Networks for Endangered Sacramento River Winter-Run Chinook Salmon in California",
    "subtitle": null,
    "abstract": "A robust monitoring network that provides quantitative information about the status of imperiled species at key life stages and geographic locations over time is fundamental for sustainable management of fisheries resources. For anadromous species, management actions in one geographic domain can substantially affect abundance of subsequent life stages that span broad geographic regions. Quantitative metrics (e.g., abundance, movement, survival, life history diversity, and condition) at multiple life stages are needed to inform how management actions (e.g., hatcheries, harvest, hydrology, and habitat restoration) influence salmon population dynamics. The existing monitoring network for endangered Sacramento River winter-run Chinook Salmon (SRWRC, \nOncorhynchus tshawytscha\n) in California’s Central Valley was compared to conceptual models developed for each life stage and geographic region of the life cycle to identify relevant SRWRC metrics. We concluded that the current monitoring network was insufficient to diagnose when (life stage) and where (geographic domain) chronic or episodic reductions in SRWRC cohorts occur, precluding within- and among-year comparisons. The strongest quantitative data exist in the Upper Sacramento River, where abundance estimates are generated for adult spawners and emigrating juveniles. However, once SRWRC leave the upper river, our knowledge of their identity, abundance, and condition diminishes, despite the juvenile monitoring enterprise. We identified six system-wide recommended actions to strengthen the value of data generated from the existing monitoring network to assess resource management actions: (1) incorporate genetic run identification; (2) develop juvenile abundance estimates; (3) collect data for life history diversity metrics at multiple life stages; (4) expand and enhance real-time fish survival and movement monitoring; (5) collect fish condition data; and (6) provide timely public access to monitoring data in open data formats. To illustrate how updated technologies can enhance the existing monitoring to provide quantitative data on SRWRC, we provide examples of how each recommendation can address specific management issues",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\n\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [
        {
            "word": "Chinook Salmon, monitoring, conceptual models, life stage survival, migration, diversity"
        }
    ],
    "section": "Research Article",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/6751j957",
    "frozenauthors": [
        {
            "first_name": "Rachel",
            "middle_name": "C.",
            "last_name": "Johnson",
            "name_suffix": "",
            "institution": "National Marine Fisheries Service, National Oceanic and Atmospheric Administration & Center for Watershed Sciences, University of California, Davis",
            "department": ""
        },
        {
            "first_name": "Sean",
            "middle_name": "",
            "last_name": "Windell",
            "name_suffix": "",
            "institution": "California Sea Grant Fellowship, Delta Stewardship Council",
            "department": ""
        },
        {
            "first_name": "Patricia",
            "middle_name": "L.",
            "last_name": "Brandes",
            "name_suffix": "",
            "institution": "U.S. Fish and Wildlife Service",
            "department": ""
        },
        {
            "first_name": "J. Louise",
            "middle_name": "",
            "last_name": "Conrad",
            "name_suffix": "",
            "institution": "California Department of Water Resources",
            "department": ""
        },
        {
            "first_name": "John",
            "middle_name": "",
            "last_name": "Ferguson",
            "name_suffix": "",
            "institution": "Anchor QEA",
            "department": ""
        },
        {
            "first_name": "Pascale",
            "middle_name": "A. L.",
            "last_name": "Goertler",
            "name_suffix": "",
            "institution": "California Department of Water Resources",
            "department": ""
        },
        {
            "first_name": "Brett",
            "middle_name": "N.",
            "last_name": "Harvey",
            "name_suffix": "",
            "institution": "California Department of Water Resources",
            "department": ""
        },
        {
            "first_name": "Joseph",
            "middle_name": "",
            "last_name": "Heublein",
            "name_suffix": "",
            "institution": "National Marine Fisheries Service, National Oceanic and Atmospheric Administration",
            "department": ""
        },
        {
            "first_name": "Joshua",
            "middle_name": "A.",
            "last_name": "Israel",
            "name_suffix": "",
            "institution": "U.S. Bureau of Reclamation",
            "department": ""
        },
        {
            "first_name": "Daniel",
            "middle_name": "W.",
            "last_name": "Kratville",
            "name_suffix": "",
            "institution": "California Department of Fish and Wildlife",
            "department": ""
        },
        {
            "first_name": "Joseph",
            "middle_name": "E.",
            "last_name": "Kirsch",
            "name_suffix": "",
            "institution": "U.S. Fish and Wildlife Service",
            "department": ""
        },
        {
            "first_name": "Russell",
            "middle_name": "W.",
            "last_name": "Perry",
            "name_suffix": "",
            "institution": "U.S Geological Survey",
            "department": ""
        },
        {
            "first_name": "Joseph",
            "middle_name": "",
            "last_name": "Pisciooto",
            "name_suffix": "",
            "institution": "California Department of Fish and Wildlife",
            "department": ""
        },
        {
            "first_name": "William",
            "middle_name": "R.",
            "last_name": "Poytress",
            "name_suffix": "",
            "institution": "U.S. Fish and Wildlife Service",
            "department": ""
        },
        {
            "first_name": "Kevin",
            "middle_name": "",
            "last_name": "Reece",
            "name_suffix": "",
            "institution": "California Department of Water Resources",
            "department": ""
        },
        {
            "first_name": "Brycen",
            "middle_name": "G.",
            "last_name": "Swart",
            "name_suffix": "",
            "institution": "National Marine Fisheries Service, National Oceanic and Atmospheric Administration",
            "department": ""
        }
    ],
    "date_submitted": "2017-09-22T10:51:20Z",
    "date_accepted": "2017-09-22T10:51:20Z",
    "date_published": "2017-09-29T07:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/jmie_sfews/article/62760/galley/48441/download/"
        }
    ]
}