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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 describes long-term (1977-2002) experimental manipulations of ant, plant and rodent species in a desert ecosystem, among other alterations to the system. Data Location: Ecological Archives Site Location: Chihuahuan Desert, near Portal, Arizona (31 o 56' 20.29" N, 109 o 4' 47.44" W) Sites Georeferenced: Yes (not part of...MORE
This dataset describes variation in net primary production and growth of giant kelp in the Santa Barbara Channel, California. Dataset Location: Ecological Archives Site Location: Arroyo Quemado (34 o 28.127' N, 120 o 07.285' W), Arroyo Burro (34 o 24.007' N, 119 o 44.663' W), and Mohawk (34 o 23.660'...MORE
This dataset follows coyotes, lagomorphs, and rodents from 1962-1993 in Idaho and Utah. Dataset Location: Ecological Archives Site Location: Idaho National Engineering and Environmental Laboratory, Idaho; Curlew Valley, Utah Sites Georefferenced: No Timespan: 1962-1993 Sampling Frequency: biannually (spring & fall) Methods: Rodents were trapped with a 1 M-4 snap trap...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 at the California Current coastal pelagic ecosysten Long Term Ecological Research Station. Data Location: http://cce.lternet.edu/data/ Site Location: Datasets Available: THEMES - phytoplankton, chlorophyl and primary production; zooplankton abundance/biomassMORE
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 web site hosts data from the Georgia Coastal Ecosystems Long Term Ecological Research station on the Altamhaha, Doboy, and Sapelo Sounds. Dataset Location: http://gce-lter.marsci.uga.edu/public/app/data_catalog.asp Site Location: Altamhaha, Doboy, and Sapelo Sounds; coast of Georgia, U.S.A. Datasets Available: THEMES - algal productivity; aquatic invertebrate ecology; bacterial productivity; general nutrient chemistry;...MORE
The USGS Gap Analysis Program (GAP) is delineating species range and predicted distribution maps for more than 2,000 species that occur within the continental US as well as Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands (we will make these maps and datasets available as they are completed). Our...MORE
The USGS Gap Analysis Program (GAP) PAD-US is the national inventory of U.S. terrestrial and marine protected areas that are dedicated to the preservation of biological diversity and to other natural, recreation and cultural uses, managed for these purposes through legal or other effective means. Lands in PAD-US are mainly...MORE

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