74 datasets found
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Federal
Annual California Sea Otter Census—1985-2014 Spring Census Summary
Department of the Interior —
This dataset represents an archived record of annual California sea otter surveys from 1985-2014. Survey procedures involve counting animals during the "spring... -
Federal
Sea otter carcass recovery rates from Bering Island, some Western Aleutian Islands, the Alaskan Peninsula and Prince William Sound, 1971-2009
Department of the Interior —
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... -
Federal
Annual California Sea Otter Census: 2019 Extra Limit Observations Shapefile
Department of the Interior —
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... -
Federal
Annual California sea otter census - 2019 spring census summary
Department of the Interior —
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... -
Federal
Gulf Watch Alaska, Nearshore Monitoring Component: Sea Otter Foraging Observations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2012-2016
Department of the Interior —
This data is part of the Gulf Watch Alaska (GWA) long term monitoring program, benthic monitoring component and a seasonal diet study in Kenai Fjords National Park.... -
Federal
Sea otter carcass recovery rates from Bering Island, some Western Aleutian Islands, the Alaskan Peninsula and Prince William Sound, 1971-2009
Department of the Interior —
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... -
Federal
Annual California Sea Otter Census: 2017 Range Extent Shapefile
Department of the Interior —
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... -
Federal
Annual California Sea Otter Census: 2019 Range Extent Shapefile
Department of the Interior —
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... -
Federal
Range Extent for southern sea otters 2016
Department of the Interior —
The GIS shapefile "Range extent of southern sea otters 2016" is a simple polyline representing the geographic distribution of the southern sea otter (Enhydra lutris... -
Federal
Sea Otter surveys from selected Western Aleutian Islands, Alaska and Bering Island, Russia between 1959-2015
Department of the Interior —
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.... -
Federal
Sea Otter blood chemistry and hematology from animals captured at sites between Bering Island, Russia and Prince William Sound, Alaska during 2004-2012
Department of the Interior —
The data consist of blood chemistry and hematology from sea otters captured at sites along the Aleutian archipelago, the Alaska Peninsula, the Gulf of Alaska, and... -
Federal
Annual California Sea Otter Census: 2018 Extra Limit Observations Shapefile
Department of the Interior —
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... -
Federal
Annual California Sea Otter Census: 2017 Extra Limit Observations Shapefile
Department of the Interior —
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... -
Federal
Persistent organic pollutants in sea otter blood and in blue mussels from the Aleutian Islands and southeast Alaska
Department of the Interior —
Two data sets concerning organic contaminants are included here to aid in assessment of the sea otter population collapse in southwest Alaska. One data set consists... -
Federal
Annual California Sea Otter Census: 2018 Census Summary Shapefile
Department of the Interior —
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... -
Federal
Summary of stranded southern sea otters, 1985-2018
Department of the Interior —
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,... -
Federal
Sea Otter Aerial Survey Data from Lower Cook Inlet, Alaska, 2017
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in lower Cook Inlet, Alaska, based on data... -
Federal
Sea Otter Aerial Survey Data from Northern and Eastern Prince William Sound, Alaska, 2014
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in northern and eastern Prince William... -
Federal
Annual California Sea Otter Census: 2019 Census Summary Shapefile
Department of the Interior —
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... -
Federal
Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2022
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska,...
74 datasets found