The Desert Grassland

Front Cover
Mitchel P. McClaran, Thomas R. Van Devender
University of Arizona Press, Sep 1, 1997 - Science - 346 pages
The mixed grass and shrub vegetation known to scientists as desert grassland is common to the basins and valleys that skirt the mountain ranges throughout southwestern North America, extending from Arizona, New Mexico and Texas down through thirteen Mexican states. This variegated ground cover is crucial to life in an arid environment. The Desert Grassland offers the most comprehensive study to date of these flora and the rich biotic communities they support.Leading experts in geography, biology, botany, zoology, and geoscience present new research on the desert grassland and review a vast amount of earlier work. They reveal that present-day grasses once grew in the ice-age forests that existed in these areas before the climate dried and the trees vanished and how the intensity and frequency of fire can influence the plant and animal species of the grassland. They also document how the influence of humans--from Amerindians to contemporary ranchers, public land managers, and real estate developers--has changed the relative abundance of woody and herbaceous species and how the introduction of new plants and domesticated animals to the area has also affected biodiversity. The book concludes with a review of the attempts, both failed and successful, to reestablish plants in desert grasslands affected by overgrazing, drought, and farm abandonment.Meticulously researched and copiously illustrated, The Desert Grassland is a major contribution to ecological literature. For advanced lay readers as well as students and scholars of history, geography, and ecology, it will be a standard reference work for years to come.
 

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Contents

Desert Grassland Mixed Shrub Savanna
31
Changing Climates Evolution
68
Landscape Evolution Soil Formation and Arizonas
100
The Role of Fire in the Desert Grasslands
130
Diversity Spatial Variability and Functional Roles
152
Diversity Spatial Variability and Functional Roles
196
Human Impacts on the Grasslands of Southeastern
230
Revegetation in the Desert Grassland
265
Common and Scientific Plant Names
305
List of Contributors
323
Copyright

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About the author (1997)

Mitchel McClaran is Associate Professor of Range Management at the University of Arizona, where he focuses on long-term vegetation change in desert grasslands. He is a frequent contributor to Journal of Range Management, Biological Conservation, and The Southwest Naturalist.

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