Wiens, John A., authorNatural Resource Ecology Laboratory, Colorado State University, publisher2015-07-282015-07-281972http://hdl.handle.net/10217/16052September 1972.On cover: Grassland Biome, Ecosystem analysis studies, U.S. International Biological Program.born digitaltechnical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Grassland ecology -- United StatesPrecipitation normals -- United StatesPrecipitation variability -- United StatesText