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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
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
This dataset describes first-flowering dates of native and non-native plant species from 1910 -1961 in Fargo, North Dakota. Dataset Location: Ecological Archives Site Location: North Dakota State University (46 o 53.423 N, 96 o 47.886 W), Bluesem Prairie Nature Preserve (46 o 51.458 N, 96 o 28.211 W) Sites Georefferenced:...MORE
This dataset follows coyotes, lagomorphs, and rodents from 1962-1993 in Idaho and Utah. Dataset Location: Ecological Archives Site Location: Idaho National Engineering and Environmental Laboratory, Idaho; Curlew Valley, Utah Sites Georefferenced: No Timespan: 1962-1993 Sampling Frequency: biannually (spring & fall) Methods: Rodents were trapped with a 1 M-4 snap trap...MORE
This data set describes vascular plant and bryophyte species as well as biogeochemical data for acid grasslands of the Atlantic region of Europe. Dataset Location: Ecological Archives Site Location: Atlantic biogeographic region, Europe Sites Georefferenced: Yes Timespan: 2002-2007 Methods: Sites were randomly determined to ensure a range of nitrogen deposition...MORE
Data from the Virginia Coast Reserve Long-Term Ecological Research site. Data: http://www1.vcrlter.virginia.edu/home1/?q=dataCatalog or http://metacat.lternet.edu/das/lter/browse.jsp#VCR Research Topics: Holocene barrier island geology; salt marsh ecology, geology, and hydrology; ecology/evolution of insular vertebrates; primary/secondary succession; life-form modeling of succession. The Virginia Coast Reserve (VCR) is an extremely dynamic, heterogeneous coastal barrier landscape comprising...MORE