Search datasets

Displaying 1 - 10 of 23
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
The Luquillo Grid Points Bird Count is a long-term observational study of the bird community at the Luquillo LTER on Puerto Rico.MORE
The Eastern Wood breeding bird census is a long-term annual census of breeding birds in an oak-wood habitat located on Bookham Common, Surrey, UK. "Eastern Wood" refers to the sample area within the Bookham Common. Ecological Level: Community Biome: Temperate Woodland Location: England (Lat/Long) Spatial Scale of data: 16 ha...MORE
The Skokholm Bird Observatory is a 1 km 2 island off the coast of Wales, UK. Since 1928, annual surveys of breeding birds on the island have been conducted. Ecological Level: Community Biome: Temperate Habitat: flat top island with grass and bracken (Lack, D. 1969. Population changes in the land...MORE
This dataset describes 12 years of vascular plant composition at the Tallgrass Prairie Reserve in Oklahoma measured at multiple spatial scales at a local level. Dataset Location: Ecological Archives Site Location: Tallgrass Prairie Preserve, Osage County, Oklahoma (36.73 o - 36.90 o N, 96.32 o - 96.49 o W) Sites...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 compiles the herbaceous plant response to 35 N fertilization experiments. Dataset Location: Ecologial Archives Site Location: Brooks Range, Alaska; Carpinteria Salt Marsh, California; Cedar Creek Natural History Area, Minnesota; Georgia Coastal Ecosystems LTER ; Jasper Ridge Biological Reserve, California; Kellogg Biological Staton LTER, Michigan ; Konza Prairie Biological...MORE
This dataset follows endemic mint species in Florida to observe the population demography as well as response to fire. Dataset Location: Ecological Archives Site Location: Archibold Biological Station, Florida (27 o 10' 50" N, 81 o 21' 00" W) Sites Georefferenced: Yes Timespan: 1988-2004 Sampling Frequency: Monthly - Quarterly 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

Pages