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Federal
Adult California sheephead (Semicossyphus pulcher) counts at long-term subtidal sites at San Nicolas Island, California (1981-2018) recent views
Department of the Interior —
The data represent total counts of adult California sheephead from six long-term sites at San Nicolas Island, CA between fall 1981 and spring 2018. At each site... -
Federal
Hourly sea floor water temperatures recorded at four kelp forest monitoring sites at San Nicolas Island, California (2015-2019) recent views
Department of the Interior —
The data represent hourly temperatures recorded at four permanent subtidal monitoring sites around San Nicolas Island, CA between November 2015 and October 2019. The... -
Federal
Annual California Sea Otter Census: 2018 Census Summary Shapefile recent views
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—1985-2014 Spring Census Summary recent views
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
Benthic kelp and invertebrate counts, California sheephead abundance, substrate rugosity data, and benthic temperatures from long-term kelp forest ecosystem monitoring sites at San Nicolas Island, California recent views
Department of the Interior —
Four data sets are included here to aid in assessing the influence of substrate complexity on kelp forest ecosystem stability. One data set consists of counts of a... -
Federal
Annual California sea otter census - 2019 spring census summary recent views
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: 2019 Extra Limit Observations Shapefile recent views
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 Census Summary Shapefile recent views
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
Feeding observations of intertidal black abalone at monitored sites around San Nicolas Island, California and local distribution of Macrocystis pyrifera based on surface canopy maps recent views
Department of the Interior —
The data set includes feeding observations of black abalone (Haliotis cracherodii) at long-term intertidal monitoring sites around San Nicolas Island, California from... -
Federal
Annual California Sea Otter Census—2017 Spring Census Summary recent views
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
Annual California Sea Otter Census: 2018 Range Extent Shapefile recent views
Department of the Interior —
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... -
Federal
Annual California Sea Otter Census: 2019 Range Extent Shapefile recent views
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
Annual California Sea Otter Census: 2017 Range Extent Shapefile recent views
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—2018 Spring Census Summary recent views
Department of the Interior —
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... -
Federal
Annual California Sea Otter Census: 2018 Extra Limit Observations Shapefile recent views
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
Distribution and Population Genetic Structure of Coastal Cactus Wrens in Southern California recent views
Department of the Interior —
Data presented are 1.) the locations where Coastal Cactus Wren (Campylorhynchus brunneicapillus) genetic samples were collected in southern California, in 2011, 2012,... -
Federal
Annual California Sea Otter Census: 2017 Extra Limit Observations Shapefile recent views
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
Seasonal and inter-annual distribution and abundance of floating kelp canopies surrounding San Nicolas Island, Calif. 1981-1992 recent views
Department of the Interior —
Map provides spatial data on the location and extent of floating canopies of the giant kelp, Macrocystis pyrifera, in the area surrounding San Nicolas Island, Calif. -
Federal
Kelp and invertebrate counts on permanent benthic transects 1980-2018 at San Nicolas Island, California recent views
Department of the Interior —
The data represent counts of individuals of a suite of kelp and macroinvertebrate species on fixed 10-meter by 2-meter benthic transects on permanent subtidal... -
Federal
Data used to estimate groundwater salinity above the Montebello Oil Field (California, USA) recent views
Department of the Interior —
This release contains borehole geophysical electrical log data (elogs), total dissolved solids sample data (TDS), and geostatistical program files used to estimate...