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Pup production of the California Stock of northern fur seals from 1969 to 2023 (NCEI Accession 0303532)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2025-04-30T00:00:00.000+00:00
The Marine Mammal Laboratories' California Current Ecosystem Program (AFSC/NOAA) in collaboration with Point Blue Conservation Science initiated long-term studies to determine pup abundance of the California Stock of northern fur seals. The California Stock is comprised of northern fur seals inhabiting San Miguel Island (and Castle Rock, and islet ~1 km northwest) and the Farallon Islands (specifically, Southeast Island) off California. Pup production is the sum of the numbers of live pups and dead pups for a given pupping season. This in turn is used as index to estimate total population abundance. Population abundance is vital to knowing the status of a particular stock or the entire species, as well as knowing what factors are driving population trends. Metadata and datasets corresponding to these studies are reported in Stock Assessment Reports (SAR) for the U.S. Congress and other stakeholders.

Resources

8 resources available

  • NCEI Dataset Landing Page

    PLACEHOLDER/VALUE
    Download

  • Descriptive Information

    PLACEHOLDER/VALUE
    Download

  • HTTPS

    PLACEHOLDER/VALUE
    Download

  • FTP

    PLACEHOLDER/VALUE
    Download

  • https://www.fisheries.noaa.gov/inport/item/75401

    PLACEHOLDER/VALUE
    Download

  • GCMD Keyword Forum Page

    PLACEHOLDER/VALUE
    Download

  • NCEI Contact Information

    PLACEHOLDER/VALUE
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  • NOAA Alaska Fisheries Science Center (NMFS/AFSC) website

    PLACEHOLDER/VALUE
    Download

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Complete Metadata
@type dcat:Dataset
accessLevel non-public
contactPoint 
                                            {
  "fn": "NOAA National Centers for Environmental Information",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:ncei.info@noaa.gov"
}
describedByType application/octet-steam
description The Marine Mammal Laboratories' California Current Ecosystem Program (AFSC/NOAA) in collaboration with Point Blue Conservation Science initiated long-term studies to determine pup abundance of the California Stock of northern fur seals. The California Stock is comprised of northern fur seals inhabiting San Miguel Island (and Castle Rock, and islet ~1 km northwest) and the Farallon Islands (specifically, Southeast Island) off California. Pup production is the sum of the numbers of live pups and dead pups for a given pupping season. This in turn is used as index to estimate total population abundance. Population abundance is vital to knowing the status of a particular stock or the entire species, as well as knowing what factors are driving population trends. Metadata and datasets corresponding to these studies are reported in Stock Assessment Reports (SAR) for the U.S. Congress and other stakeholders.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
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    "description": "Navigate directly to the URL for a descriptive web page with download links.",
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    "description": "These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).",
    "downloadURL": "ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0238/0303532/",
    "describedByType": "application/octet-steam"
  },
  {
    "@type": "dcat:Distribution",
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    "@type": "dcat:Distribution",
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    "description": "Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords",
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identifier gov.noaa.nodc:0303532
issued 2025-04-15T00:00:00.000+00:00
keyword 
                                            [
  "0303532",
  "ANIMALS - INDIVIDUAL - COUNTS",
  "binoculars",
  "in situ",
  "NOAA Alaska Fisheries Science Center, Marine Mammal Laboratory",
  "Point Blue Conservation Science",
  "NOAA Alaska Fisheries Science Center, Marine Mammal Laboratory",
  "oceanography",
  "DOC/NOAA/NMFS/AFSC/MML > Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
  "aerial counts",
  "fur seal",
  "ground counts",
  "northern fur seal",
  "population abundance",
  "pup abundance",
  "BINOCULAR > BINOCULAR",
  "California",
  "Castle Rock",
  "Farallon Islands",
  "San Miguel Island",
  "3LKHY4"
]
landingPage https://www.ncei.noaa.gov/contact
language 
                                            []
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-04-30T00:00:00.000+00:00
publisher 
                                            {
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
}
references 
                                            [
  "https://www.fisheries.noaa.gov/inport/item/75401"
]
rights otherRestrictions
spatial -117.0,32.0,-124.0,39.0
temporal 1969-05-01T00:00:00+00:00/2023-09-30T00:00:00+00:00
title Pup production of the California Stock of northern fur seals from 1969 to 2023 (NCEI Accession 0303532)

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