This file was created by scanning the printed publication. Errors identified by the software have been corrected; however, some errors may remain. Contents The Authors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Chapter 1 Introduction: Ecosystem Research in a Human Context. . . . . . . . . . . Deborah M. Finch and Joseph A. Tainter 1 Chapter 2 Environmental History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dan Scurlock 12 Chapter 3 Human Ecology and Ethnology. .. . .. . .. . .. . . . . . . . . . . . . . . . . . . . Frank E. Wozniak 29 Chapter 4 52 Geology, Climate, Land, and Water Quality. . . . . . . . . . . . . . . . . . . . . Douglas G. Fox, Roy Jemison, Deborah Ulinski Potter, H. Mallrice Va lett, and Ray Watts Chapter 5 Desert Grassland and Shrubland Ecosystems ................... Samuel R. Loftin, Richard Agllilar, Alice L. Clzll1lg-MacCollbrey, and Wayne A. Robbie Chapter 6 Pinyon-Juniper Woodlands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gerald J. Gottfried, Thomas W. Swetnam, Craig D. Allen, Julio L. Betancourt, and Alice L. Chung-MacColibrey 80 95 Chapter 7 Plants, Arthropods, and Birds of the Rio Grande. . . . . . . . . . . . . . . . . Deborah M. Finch, Gale L. Wolters, Wang Yong, and Mary Jean Mund 133 Chapter 8 Fish Fauna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . John N. Rinne and Steven P. Platania 165 Chapter 9 Belowground Ecosystems Carole Coe Klopatek 176