347 datasets found
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Federal
Apatite and zircon fission track data from the western Brooks Range of Arctic Alaska
Department of the Interior —
The attached data are apatite and zircon fission track measurements from rock samples collected across the western Brooks Range. Table 1 contains descriptive... -
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
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
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
Annual California Sea Otter Census—2017 Spring Census Summary
Department of the Interior —
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... -
Federal
CoRE (Contractions or Range Expansions) Database: Global Database of Species Range Shifts from 1802-2019
Department of the Interior —
The CoRE (Contractions or Range Expansions) database contains a library of published literature and data on species range shifts in response to climate change....
347 datasets found