Search datasets
-
The data consist of counts of sea otters in each year from 1980 to 2017 that are within 2 kilometers of the location of the 6 original subtidal ecosystem monitoring sites around San Nicolas...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 07:55 PM -
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska, based on data collected during...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:06 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: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:18 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: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:41 PM -
The data table consists of a compilation of sea otter survey results from Bering Island, Russia and select Western Aleutian Islands conducted between 1959 and 2015. The counts were reduced to sea...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 09:08 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: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:49 PM -
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in northern and eastern Prince William Sound, Alaska, based on data...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:06 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: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:05 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: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:31 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: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:10 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: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:40 PM -
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska, based on data collected during...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:22 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: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:21 PM -
The southern sea otter (Enhydra lutris nereis), also known as California sea otter, was listed as threatened in 1977 under the Endangered Species Act. Since 1985, stranded otters from throughout...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:34 PM -
The table presents summary data of sea otter skulls found on carcass searches conducted along stretches of shoreline at islands or locations along a longitudinal span encompassing the sea otter...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:15 PM -
The data consist of levels of organic pollutants found in the blood of sea otters captured from five areas in the western Aleutian Islands and in Cross Sound in southeast Alaska. For each...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:50 PM -
The spring 2019 mainland sea otter count began on May 1 and was completed by July 9. Overall viewing conditions this year were very good, better than those encountered during the 2018 spring...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:44 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: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:41 PM -
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in lower Cook Inlet and the outer Kenai Peninsula, Alaska, based on data...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:53 PM -
These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. Specifically, these data describe sea otter (Enhydra lutris) aerial survey...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:23 PM
