TY - JOUR T1 - Regional analysis of the central Great Plains JF - BioScience Y1 - 1991 A1 - Burke, I.C. A1 - Kittel, T.G.F. A1 - Lauenroth, W.K. A1 - Snook, P. A1 - Yonker, C.M. A1 - Parton, W.J. VL - 41 ER -