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    • Relative Bycatch:Target Catch Probability Product (daily), EcoCast Project

    Metadata Updated: June 10, 2023

    The Relative Bycatch:Target Catch Probability Product is produced using a data-driven, multi-species predictive habitat modelling framework. First, boosted regression tree models were fit to determine the habitat preferences of the target species, broadbill swordfish (Xiphias gladius), and three bycatch-sensitive species that interact with the California drift gillnet fishery (leatherback sea turtle (Dermochelys coricea), blue shark (Prionace glauca), California sea lion (Zalophus californianus)). Then, individual species weightings were set to reflect the level of bycatch and management concern for each species. Prediction layers for each species were then combined into a single surface by multiplying the layer by the species weighting, summing the layers, and then re-calculating the range of values in the final predictive surface from -1 (low catch & high bycatch probabilities) to 1 (high catch & low bycatch probabilities).

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date September 4, 2022
    Metadata Created Date November 12, 2020
    Metadata Updated Date June 10, 2023
    Reference Date(s) September 4, 2022 (creation)
    Frequency Of Update

    Metadata Source

    Harvested from Pacific Fisheries Environmental Laboratory

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date September 4, 2022
    Metadata Created Date November 12, 2020
    Metadata Updated Date June 10, 2023
    Reference Date(s) September 4, 2022 (creation)
    Responsible Party NOAA NMFS SWFSC ERD (Point of Contact)
    Contact Email
    Guid ecocast
    Access Constraints
    Bbox East Long -115.671005
    Bbox North Lat 47.0653
    Bbox South Lat 29.652365
    Bbox West Long -131.5914
    Coupled Resource [{"title": [], "href": ["#DataIdentification"], "uuid": []}, {"title": [], "href": ["#DataIdentification"], "uuid": []}, {"title": [], "href": ["#DataIdentification"], "uuid": []}]
    Frequency Of Update
    Harvest Object Id 4dd4a982-c083-49eb-b8a3-26ee7aac1e99
    Harvest Source Id 817069b7-5f4e-4664-9e6b-615af3dfcf2d
    Harvest Source Title Pacific Fisheries Environmental Laboratory
    Licence
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-131.5914, 29.652365], [-115.671005, 29.652365], [-115.671005, 47.0653], [-131.5914, 47.0653], [-131.5914, 29.652365]]]}
    Progress
    Spatial Data Service Type ERDDAP griddap
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2018-05-09T12:00:00Z
    Temporal Extent End 2022-04-19T12:00:00Z

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