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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
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
The Christmas Bird Count (CBC) is a long-standing program of the National Audubon Society, with over 100 years of citizen science involvement. It is an early-winter bird census, where thousands of volunteers across the US, Canada and many countries in the Western Hemisphere, go out over a 24 hour period...MORE
Quadrats (36 ungrazed; 15 grazed) in a Kansas mixed grass prairie that were censused annually from 1932 to 1972. Located in Hays, Kansas, all individual plants were mapped in these 1 m 2 quadrats located in a pasture owned by Fort Hays State University. Monthly precipitation and average temperature data...MORE
This is a complilation of data sets that focus on dietary assessent and stable isotopes of marine life in the oceans surrounding Antarctica. Dataset Location : Ecological Archives Site Location : Approximately south of 40 o S Methods : Data gathered on diet and other trophic information were compliled from...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 describes thirty years (1980-2009) of vegetation recovery from volcanic events on Mount St. Helens established from 92 permanent sampling plots and accounting for 85 species. Dataset Location: Ecological Archives Site Location: Mount St. Helens Sites Georefferenced: Yes Timespan: 1980-2009 Methods: Circular plots (250m 2 ) are established based...MORE
This dataset descibes apporximately 50 years of sagebrush vegetatation in 26 permanent 1m 2 quadrats. Dataset Location: Ecological Archives Site Location: U.S. Sheep Experiment Station, Dubois, Idaho Sites Georefferenced: No Timespan: 1923-1957 (most years), 1973 Sampling Frequency: Annually Methods: 26 permanent quadrats were established in sheep paddocks with grazed and...MORE

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