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The Portal Project is a long-term ecological study that has been monitoring small mammal community responses to climate and experimental manipulation of dominant rodent species since 1977 in southeastern Arizona. Ecological Level: Community Biome: Desert Location: Southeastern Arizona (Lat/Long) Spatial Scale of data: Each plot is .25 ha. There are...MORE
This dataset catalogs field estimates of net primary productivity for natural and agricultural ecosystems worldwide from approximately 1870-1980. Dataset Location: Ecological Archives Sites Georefferenced: Yes Timespan: 1869-1982 Methods: Field measurements off above-ground NPP were collected from the literature and complied in a standardized fashion. Methodology of field techniques are not...MORE
This web site hosts an on-line repository for remote sensing and aerial photograpy initiated by the U.S. Department of the Interior and the U.S. Geological Survey. Data Location: http://eros.usgs.gov/#/Find_Data Data Available: Aerial Photography, Satellite Imagery, Elevation maps, Land Cover, Digitized Maps Comments: EROS hosts all data retrieved from remote sensing...MORE
This web site hosts data collected at the Sevilleta Long Term Ecological Reasearch Station in New Mexico. Data Location: http://sev.lternet.edu/ Site Location: Sevilleta National Wildlife Refuge (34.353 o N, 106.882 o W), about 80km south of Albuquerque, NM. Datasets Available: THEMES - disturbance, inorganic nutrients, meteorology, populations, organic matter, primary...MORE
This web site hosts data collected for the Central Arizona-Phoenix Long Term Ecological Research Station in the arid mentropolis of Phoenix. Data Location: http://caplter.asu.edu/data/ Site Location: downtown Pheonix and the surrounding arid ecosystems Datasets Available: THEMES - land-use, land-cover, and land architecture; climate, ecosytems, and people; water dynamics, biogeochemical patterns,...MORE
This is a paper published in PNAS about patterns of decilne in North American bumble bees that is quite broad in scope (netted and identified 9,006 bumble bees in the west and 7,832 in the east at 382 sites across North America between 2007 and 2009 and constructed a database...MORE