The Long Term Ecological Research (LTER) program is supported by
the National Science Foundation's Division of Biotic Systems and
Resources. LTER sites across the United States collect
data on long ...
The purpose of the "Central Plains Experimental Range (CPER)"
dataset is to understand the long-term processes responsible for
the origin and sustainibility of shortgrass steppe systems.
This data set contains information on climate (temperature,
precipitation); soil (carbon, nitrogen, bulk density, texture);
production (grain yield, straw/residue production); and migrant
The USDA UV-B Radiation Monitoring Program at the Natural Resource
Ecology Laboratory at Colorado State University home page address on
the WWW is "http://nadp.nrel.colostate.edu/UVB/"
The USDA UV-B ...