Filters: Tags: aerial counts (X) > Types: OGC WFS Layer (X) > partyWithName: M. Tim Tinker (X) > Types: Downloadable (X) > partyWithName: M. Tim Tinker (X) > partyWithName: Brian B Hatfield (X)

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Annual California Sea Otter Census: 2016 Census Summary Shapefile 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 lutris nereis), based on data collected during the spring 2016 range-wide census. The USGS range-wide sea otter census has been undertaken twice a year since 1982, once in May and once in October, using consistent methodology involving both ground-based and aerial-based counts. The spring census is considered more accurate than the fall count, and provides the primary basis for gauging population trends by State and Federal management agencies. This Shape file includes a series of summary statistics derived from the raw census... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Central California Coast, Coast, Southern California Coast, aerial counts, All tags... biota, environment, habitat, oceans, sea otter census, shore counts, trends, Fewer tags