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2015. Monterey County (Calif.). This point shapefile depicts catch basins and culverts within Monterey County, California. The source data for this layer is the "Monterey Regional... Monterey County (Calif.).
1992. Wade, Tim. This raster image is a 270-meter resolution grid map of the conterminous United States in GeoTIFF format, created from National Land Cover Data (NL... National Atlas of the United States.
1992. Wade, Tim. This raster layer is a 540 meter resolution grid map of the conterminous United States in GeoTIFF format, created from National Land Cover Data (NL... National Atlas of the United States.
1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, and 1996. International Livestock Research Institute. This polygon shapefile shows changes in wildlife density in Kenya's rangelands between 1977-78 and 1994-96. Many places in Kenya experienced gains ... World Resources Institute.
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts the range map the chipmunk that were pulled out and then reversed so the polygon represents areas outside of their r... Bay Area Open Space Council.
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, and 2013. Ocean Tipping Points Project. Chlorophyll-a is a widely used proxy for phytoplankton biomass and an indicator for changes in phytoplankton production. As an essential source of ... Ocean Tipping Points Project.
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, and 2006. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, and 2006. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, and 2006. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
1992 and 1993. Ritters, Kurt. This raster layer is a grid map of North America including the Caribbean and most of Mexico in GeoTIFF format. The map layer is an excerpt from a g... National Atlas of the United States.