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The North American Breeding Bird Survey (1966-present) consists of data on the diversity and abundance of summer bird assemblages at approximately 5000 sites across the continental U.S. and Canada. Sampling began in 1966 and many sites have time-series that are at least 20 years long.MORE
Bird Abundances at Hubbard Brook (1969-2010) and on three replicate plots (1986-2000) in the White Mountain National Forest. Dataset Location: http://hubbardbrook.org/data/dataset.php?id=81 Site Location: Hubbard Brook Experimental Forest, White Mountain National Forest, West Thornton, New Hampshire, USA Spatial Scale of data: a total of four 10-hectare plots Timespan: 1969-2010 Sampling Frequency:...MORE
This data set describes differences in macroalgal stands and mussel beds between ice scour disturbances in sheltered intertidal shores between 1997-2007. Dataset Location: Ecological Archives Site Location: Swan's Island, Maine (44 o 10' N, 68 o 25' W) Sites Georeferenced: No Timespan: 1997-2007 Sampling Frequency: Annually Methods: Barnacle recruitment was...MORE
This dataset summarized the effect of experimentally reducing species richess has on abundance or biomass of the focal group, abundance or biomass of the focal group's primary resource, and/or the depletion of resources by that trophic group. Dataset Location: Ecological Archives Methods: Experimental studies were chosen for their focus and...MORE
This dataset describes the biodiversity of fauna (including Arthropoda, Annelida, Mollusca, and Bryozoa) inhabiting kelp holdfasts in northeastern New Zealand at several spatial scales: from meters up to hundreds of kilometers. Dataset Location: Available from author upon request Site Location(s): Berghan Point (34°55.78′ S, 173°32.72′ E), Home Point (35°19.38′ S,...MORE
This dataset provides records of density and cover meaurements of an intertital community. Two datasets have been published spanning 1996-2007. Dataset Location: Ecological Archives (1996-2002); Ecological Archives Update (2003-2007) Site Location: Swan Island, Gulf of Maine (44 o 10' N, 68 o 25 W) Sites Georefferenced: Yes Timespan: 1996-2007 Sampling...MORE
This dataset decribes the response of grassland butterfly diversity to habitat and urbanization. Dataset Location: Ecological Archives Site Location: Boulder County Open Space, Boulder, Colorado (40 o 00'54" N, 105 o 16'12" W) Sites Georefferenced: No Timespan: 1999-2000 Sampling Frequency: twice 1999 (July, August), thrice 2000 (June, July, August) Methods:...MORE
This dataset contains maps of land cover patterns across the conterminous United States. Dataset Location: Ecological Archives Site Location: Lower 48, United Stated Sites Georeffereneced: Yes Timespan: 1991-1993 Methods: Images were collected from Landsat Thematic Mapper at a 30 m resolution and classified to land cover type and spatial filters...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 data collected in the California Current Large Marine Ecosystem, including biologial, chemical, and phyisical data about nearshore ocean ecosystems. Data Location: http://www.piscoweb.org/data Site Location: California Current Large Marine Ecosystem, west coast North America Participating Universites: Oregon State University; Stanford University Hopkins Marine Station; University of California,...MORE

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