Search datasets
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This dataset is a record of all verified stranded (live sick/injured, dead beached/floating) southern sea otters (Enhydra lutris nereis) in California. The data collected include the date and...
Search relevance: 196.26 | Views last month: 0 | Catalog Last Checked: July 28, 2025 at 06:29 PM -
These data include sea otter behavior codes, drone altitudes, sea otter demographic information, and environmental conditions. This project involved documenting sea otter behaviors in the absence...
Search relevance: 194.34 | Views last month: 0 | Catalog Last Checked: April 27, 2026 at 07:48 PM -
The GIS shapefile "Census summary of southern sea otter 2016" provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra...
Search relevance: 160.58 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:28 PM -
The GIS shapefile "Extra limit counts of southern sea otters 2016" is a point layer representing the locations of sea otter sightings that fall outside the officially recognized range of the...
Search relevance: 155.37 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 10:09 PM -
The GIS shapefile "Census summary of southern sea otter 2017" provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra...
Search relevance: 153.49 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 07:28 PM -
The GIS shapefile "Census summary of southern sea otter 2018" provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra...
Search relevance: 151.32 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 10:11 PM -
The GIS shapefile "Range extent of southern sea otters 2018" is a simple polyline representing the geographic distribution of the southern sea otter (Enhydra lutris nereis) in mainland California,...
Search relevance: 150.08 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:43 PM -
This dataset represents an archived record of annual California sea otter surveys from 1985-2014. Survey procedures involve counting animals during the "spring survey" -- generally beginning in...
Search relevance: 149.77 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:44 PM -
These data are .csv files of capture data from tagged sea otters in the Santa Barbara Channel Study. Sea otters were captured using highly specialized techniques employed by a team a rebreather...
Search relevance: 149.55 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:46 PM -
The GIS shapefile Census_sum_2019 provides a standardized tool for examining spatial patterns in abundance and demographic trends of the southern sea otter (Enhydra lutris nereis), based on data...
Search relevance: 148.95 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 07:56 PM -
Sea otters may be expanding their range along the Lack Clark National Park and Preserve (LACL) coast. Because of the unique history of sea otter extirpation and impending reoccupation, and the...
Search relevance: 148.55 | Views last month: 1 | Catalog Last Checked: January 25, 2026 at 05:30 PM -
The GIS shapefile "Range extent of southern sea otters 2017" is a simple polyline representing the geographic distribution of the southern sea otter (Enhydra lutris nereis) in mainland California,...
Search relevance: 148.39 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:07 PM -
The GIS shapefile Extra limit counts of southern sea otters 2019 is a point layer representing the locations of sea otter sightings that fall outside the officially recognized range of the...
Search relevance: 148.23 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:13 PM -
The GIS shapefile "Extra limit counts of southern sea otters 2018" is a point layer representing the locations of sea otter sightings that fall outside the officially recognized range of the...
Search relevance: 148.07 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 10:11 PM -
The GIS shapefile "Extra limit counts of southern sea otters 2017" is a point layer representing the locations of sea otter sightings that fall outside the officially recognized range of the...
Search relevance: 147.71 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:37 PM -
The GIS shapefile Range extent of southern sea otters 2019.shp is a simple polyline representing the geographic distribution of the southern sea otter (Enhydra lutris nereis) in mainland...
Search relevance: 146.98 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:33 PM -
The spring 2017 mainland sea otter count began on April 30, and although the shore-based counts were completed by May 12, 2017, the aerial counts were not completed until July 12, 2017. Overall...
Search relevance: 146.48 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:55 PM -
A zip package containing timestamped GPS trackpoints recorded during all sea otter aerial surveys in one year presented as one GPX-formatted XML file per survey flight. Each trackpoint reflects...
Search relevance: 146.33 | Views last month: 0 | Catalog Last Checked: March 04, 2026 at 06:53 AM -
The spring 2018 mainland sea otter count began on April 26, and was completed by May 24, 2018. Overall viewing conditions this year were good and rounded off to the same conditions experienced...
Search relevance: 144.15 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:26 PM -
These data are .csv files of tagged sea otter re-sighting locations (henceforth, resights) collected in the field using a combination of VHF radio telemetry and direct observation using high...
Search relevance: 139.74 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 10:16 PM
