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Breeding Bird Survey of North America

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

Birds

Alwyn H. Gentry Forest Transect Dataset

Over 22 years, Alwyn H. Gentry collected data from 226 sites on six continents. Gentry and his collaborators collected all plants with stem diameters equal to or exceeding 2.5 cm diameter at breast height (dbh) along ten 2 x 50 m transects, totaling 0.1 hectare at each site. Ecological Level:...MORE

California Estuary Metaweb

This dataset depicts food webs from three North American Pacific Coast Estuaries and includes details regarding parastic characters, body-size, biomass, and ontogeny. Dataset Location: Ecological Archives Site Location: Carpinteria Salt Marsh, CA ; Estero de Punta Banda, Baja California ; Bahia Falsa in Bahia San Quintin, Baja California (Lat/Lon) Sampling...MORE

Barnacle, fucoid, and mussel recruitment

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

Biodiversity Effects on Ecosystems, Communities, and Populations

This metadataset describes the effects of biodiversity on response variables of experimental studies published between 1974-2004. Dataset Location: Ecological Archives Methods : Data was extracted from 137 published articles, containing 761 measurments, for analysis within this study to determine the effect of biodiversity loss on variables relevant to agriculture, forestry,...MORE

Biodiversity Effects on Species Richness

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

Portal Long Term Desert Plant, Ant, and Rodent Manipulation

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

EcoData Retriever ready

Avian body size and life history

This dataset compares avian body sizes with mating characteristics for 3769 species. Dataset Location: Ecological Archives Site Location: Western Palearctic, North America, Africa, Austrailia, New Zealand, Antarctica Sites Georeferenced: No Methods: Data was gathered from major ornithologial handbooks, suplemented by authors personal data. Behavioral scores are described within the metadata...MORE

EcoData Retriever ready

Body Size of Consumers

This dataset contains over 16,000 records or a consumer body size and its resources. Dataset Location: Ecological Data Site Location: United Kingdom, United States, Antarctica Sites Georefferenced: Yes (not all entries) Data Collected: body size, taxonomy, location, habitat, feeding interaction, metabolism Best practices: Error code -999. Additional considerations: These data...MORE

Body Mass of Late Quarternary Mammals

This dataset compiles body mass of all known mammals across geographic and taxonomic space and evolutionary time. Dataset Location: Ecological Archives Methods: Data was collected from more than 150 pre-established sources. Data Collected: species, averaged body mass Orders: Artiodactyla (280 records), Bibymalagasia (2 records), Carnivora (393 records), Cetacea (75 records),...MORE