Herbage Dynamics and Primary Productivity of a Desert Grassland Ecosystem PDF Download
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Author: Rex D. Pieper
Publisher:
ISBN:
Category : Desert ecology
Languages : en
Pages : 52
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Author: Rex D. Pieper
Publisher:
ISBN:
Category : Desert ecology
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 396
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 352
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 768
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Book Description
Author: J. Allan Smith
Publisher: CRC Press
ISBN: 1000236390
Category : Science
Languages : en
Pages : 897
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Book Description
Approximately 1500 scientists from around the globe participated in the InternationalGrassland Congress at the University of Kentucky in 1981, sharing existingknowledge of grasslands and exploring methods for increasing the productivity oflivestock/forage systems so as to better feed mankind while maintaining or improvingenvironmental quality. Of the nearly 500 papers presented on previously unpublishedoriginal research or experimental research and development projects, 273 were selectedfor inclusion in this book. They cover the current basic and applied research on productionand utilization of forages from grasslands the world over.
Author: Robert T. Coupland
Publisher: Cambridge University Press
ISBN: 9780521218672
Category : Nature
Languages : en
Pages : 444
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Book Description
Background; The nature of grassland; Problems in studying grassland ecosystems; Natural temperate grasslands; Semi-natural temperate meadows and pastures; Tropical grasslands; Arable grasslands; Croplands.
Author: Rattan Lal
Publisher: CRC Press
ISBN: 1000098974
Category : Science
Languages : en
Pages : 573
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Book Description
Soil degradation has serious global impacts on agronomic, economic, and sociopolitical conditions, however, statistics regarding the degree of these impacts has been largely unreliable. This book aims to standardize the methodology for obtaining reliable and objective data on soil degradation. It will also identify and develop criteria for assessing the severity of soil degradation, providing a realistic scenario of the problem.
Author: Nancy Adele Kenmotsu
Publisher: Texas A&M University Press
ISBN: 1603446907
Category : Social Science
Languages : en
Pages : 274
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Book Description
In the fourteenth century, a culture arose in and around the Edwards Plateau of Central Texas that represents the last prehistoric peoples before the cultural upheaval introduced by European explorers. This culture has been labeled the Toyah phase, characterized by a distinctive tool kit and a bone-tempered pottery tradition. ?Spanish documents, some translated decades ago, offer glimpses of these mobile people. Archaeological excavations, some quite recent, offer other views of this culture, whose homeland covered much of Central and South Texas. For the first time in a single volume, this book brings together a number of perspectives and interpretations of these hunter-gatherers and how they interacted with each other, the pueblos in southeastern New Mexico, the mobile groups in northern Mexico, and newcomers from the northern plains such as the Apache and Comanche.? Assembling eight studies and interpretive essays to look at social boundaries from the perspective of migration, hunter-farmer interactions, subsistence, and other issues significant to anthropologists and archaeologists, The Toyah Phase of Central Texas: Late Prehistoric Economic and Social Processes demonstrates that these prehistoric societies were never isolated from the world around them. Rather, these societies were keenly aware of changes happening on the plains to their north, among the Caddoan groups east of them, in the Puebloan groups in what is now New Mexico, and among their neighbors to the south in Mexico.
Author: John A. Bissonette
Publisher:
ISBN:
Category : Big Bend National Park (Tex.)
Languages : en
Pages : 886
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1052
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