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Start Over Subject Biology and Ecology Theme Environment
2014. National Atlas of the United States. This polygon shapefile consists of National Wilderness Preservation System areas of 320 acres or more, in the United States, Puerto Rico, and the U... National Atlas of the United States.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). The University of California, Berkeley Museum of Vertebrate Zoology (MVZ) collection of amphibians and reptiles contains over 265,000 catalogued sp... Bay Area Open Space Council.
2019. Riverside County (Calif.). Geographic Information Services. WMSHCP Amphibian Species Survey Areas. Amphib_Code 1 = Arroyo ToadAmphib_Code 2 = California Red-legged FrogAmphib_Code 3 = Mountain Yellow-legged ... Riverside County (Calif.). Geographic Information Services.
2013. SeaPlan. This polygon shapefile represents aquaculture regions in the northeastern United States. Aquaculture in the northeast region is a diverse, vibrant ... Northeast Ocean Data.
2004. United States. Forest Service. This polygon shapefile is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.... National Atlas of the United States.
1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, and 1998. Patuxent Wildlife Research Center. This line shapefile portrays the current routes used for conducting Breeding Bird Surveys in the lower 48 States. This layer is part of the 1997-20... National Atlas of the United States.
2002. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts field observations of where each bird species nests within the nine county San Francisco Bay Area Region, California... Bay Area Open Space Council.
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 Brush Mouse (Peromyscus boylii) that were pulled out and then reversed so the polygon represents a... Bay Area Open Space Council.
1994, 1995, and 1996. International Livestock Research Institute. This polygon shapefile portrays the spatial distribution of buffalo numbers observed in Kenya from 1994 to 1996. Wildlife counts came from a rangel... International Livestock Research Institute.
2019. Riverside County (Calif.). Geographic Information Services. WMSHCP Burrowing Owl Survey Area. 1 = Yes 0 = No These data are made available as a public service. The data is for reference purposes only, and th... Riverside County (Calif.). Geographic Information Services.