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    • Upper Mississippi River mobile split-beam hydroacoustic fishery survey

    Metadata Updated: September 14, 2025

    The U.S. Fish and Wildlife Service conducts mobile hydroacoustics surveys in select pools of the Upper Mississippi River (UMR) and other associated tributaries and water bodies, to obtain data on the relative abundance, size distribution, spatial distribution, and biomass of invasive Bighead and Silver Carp in order to evaluate mangement actions. Data are collected with two horizontally oriented split-beam transducers (200 kHz; BioSonics, Inc.) offset in angle to maximize water column coverage. Surveys occur at main channel, side channel, backwater and tributary habitats. Hydroacoustic data are typically paired with physical capture data that are collected by the USFWS and/or partner agencies. A separate data management plan exists for hydroacoustic-related physical fish sampling.

    Access & Use Information

    Public: This dataset is intended for public access and use. 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 Created Date September 11, 2025
    Metadata Updated Date September 14, 2025

    Metadata Source

    Harvested from DOI FWS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 11, 2025
    Metadata Updated Date September 14, 2025
    Publisher U.S. Fish and Wildlife Service
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/fws-servcat-167571
    Data First Published 2023-09-28T00:00:00Z
    Data Last Modified 2023-09-28T00:00:00Z
    Category Tabular Dataset
    Public Access Level public
    Bureau Code 010:18
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/fws-data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id aa47b2e8-c533-4b95-89eb-db61fa50e027
    Harvest Source Id f51f1f6c-4e4a-4e0a-b4e3-a5577c6dcc19
    Harvest Source Title DOI FWS DCAT-US
    Homepage URL https://iris.fws.gov/APPS/ServCat/Reference/Profile/167571
    Old Spatial -91.624794,39.8687057,-90.87772,41.3325462
    Program Code 010:094, 010:028
    Source Datajson Identifier True
    Source Hash 430d0bd53d4ba06d53bf62ee6ef3745a6536dc7a601e1e3d6f36b127d17a960a
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -91.624794, 39.8687057, -91.624794, 41.3325462, -90.87772, 41.3325462, -90.87772, 39.8687057, -91.624794, 39.8687057}

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