26 datasets found
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Federal
Annual California Sea Otter Census: 2017 Census Summary Shapefile
Department of the Interior —
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... -
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: 2018 Range Extent Shapefile
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—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
Distribution and Population Genetic Structure of Coastal Cactus Wrens in Southern California
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: 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
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
San Nicolas Island benthic sea urchin diameters 2014-2019
Department of the Interior —
These data represent sizes of individuals of the sea urchin species Strongylocentrotus franciscanus (also known as Mesocentrotus franciscanus) and Strongylocentrotus... -
Federal
San Nicolas Island fish transect densities 1981-2019
Department of the Interior —
These data represent density per square meter calculated from counts of fin fish made by divers on fixed transects on permanent subtidal monitoring sites around San... -
Federal
San Nicolas Island benthic transect densities 1980-2019
Department of the Interior —
These data represent density per square meter of individuals of a suite of kelp and macroinvertebrate species on fixed 10-meter by 2-meter benthic transects on... -
Federal
San Nicolas Island Macrocystis holdfast diameters and stipe counts 1980-2019
Department of the Interior —
These data represent holdfast diameters of giant kelp (Macrocystis pyrifera) that were greater than one meter tall and were on fixed 10-meter by 2-meter benthic... -
Federal
San Nicolas Island benthic 1-meter quadrat counts 2014-2019
Department of the Interior —
These data represent counts of individuals of a suite of species counted in fixed 1-meter benthic quadrats on permanent subtidal monitoring sites around San Nicolas... -
Federal
San Nicolas Island fish transect counts 1981-2019
Department of the Interior —
These data represent counts of fin fish made by divers on fixed transects on permanent subtidal monitoring sites around San Nicolas Island between 1981 and 2019.... -
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
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
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
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: 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
Benthic temperature records from long-term kelp forest ecosystem monitoring sites at San Nicolas Island, CA 2001-2019
Department of the Interior —
These data represent hourly temperatures recorded at four permanent subtidal monitoring sites around San Nicolas Island, CA from October 2001 to October 2019. The... -
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
Kelp and invertebrate counts on permanent benthic transects 1980-2018 at San Nicolas Island, California
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...
26 datasets found