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#1 Federal

Five-minute grid of marine bird biomass density surveyed off central California - Davidson Current season, 1980-2001 (CDAS data set Da0_mass.shp)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 16, 2003 at 12:00 AM

Da0_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of 76 species of marine birds in the Davidson...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 04:57 PM

#2 Federal

Five-minute grid of the total marine bird biomass densities surveyed off central California - selected neutral water temperature periods, 1980-2001 (CDAS data set AL2_MASS.shp)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 16, 2003 at 12:00 AM

AL2_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of up to 76 species of marine birds during...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2026 at 04:57 PM

#3 Federal

Five-minute grid of total marine bird biomass densities surveyed off central California - selected warm water periods, 1980-2001 (CDAS data set AL1_MASS.shp)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: October 16, 2003 at 12:00 AM

AL0_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of 76 species of marine birds regardless of...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 02, 2026 at 04:57 PM

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Five-minute grid of marine bird biomass density surveyed off central California - Davidson Current season, 1980-2001 (CDAS data set Da0_mass.shp)

Five-minute grid of the total marine bird biomass densities surveyed off central California - selected neutral water temperature periods, 1980-2001 (CDAS data set AL2_MASS.shp)

Five-minute grid of total marine bird biomass densities surveyed off central California - selected warm water periods, 1980-2001 (CDAS data set AL1_MASS.shp)