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Displaying 1 - 10 of 39

Portal Project - Mammals

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

Redvers Waterfowl Census

The Redvers Waterfowl Census is an annual census breeding pairs of waterfowl at the Redvers Waterfowl Study area in Canada. Habitat: Mixed-prairie Location: Sasketchewan, Canada (Lat/Long) Spatial Scale of data: unknown,but Redvers Waterfowl Study Area is listed as 0.2 x 64.4 km (Vickery and Nudds 1984) Timespan: 1952-1977 Frequency: anually...MORE

Forest Inventory and Analysis Database

The FIADB contains community information for sites throughout forested lands of the US and its territories. There are three stages of sampling, which affects the type of data available for any given site: Phase 1 consists of remote sensing for stratification and identification of forested land. Phase 2 [Forest Inventory...MORE

Plant quadrats in mixed-grass prairie

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

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

Distribution and Host Range of Chytridiomycosis in Australia

This dataset contains the current distribution and host range of the vertebrate disease Chytridiomycosis in Australia determined from sampling sick and dead frogs from field surveys and appaently healthy frogs from museum collections for the fungal pathogen Batrachochytrium dendrobatidis during the collection period of 1956-2007. Dataset Location : Ecological Archives...MORE

Desert

Tropical Forest

Tropical Savanna

Amphibians / Reptiles

Vascular Plants of an Oklahoma Tallgrass Prairie

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

Vegetation of Mount St. Helens

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

Sagebrush Steppe Plants

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

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