Author: Merry Grace Lepper
Publisher:
ISBN:
Category : Limber pine
Languages : en
Pages : 394

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Author: Merry Grace Lepper
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 394

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Author: Merry Grace Lepper
Publisher:
ISBN:
Category :
Languages : en
Pages : 438

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Author:
Publisher:
ISBN:
Category : Blister rust
Languages : en
Pages : 276

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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 280

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Author: Charles A. Reher
Publisher:
ISBN:
Category : Dendrochronology
Languages : en
Pages : 118

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Author: Julio L. Betancourt
Publisher: University of Arizona Press
ISBN: 0816547157
Category : Science
Languages : en
Pages : 478

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Book Description
Over the past thirty years, late Quaternary environments in the arid interior of western North America have been revealed by a unique source of fossils: well-preserved fragments of plants and animals accumulated locally by packrats and quite often encased, amberlike, in large masses of crystallized urine. These packrat middens are ubiquitous in caves and rock crevices throughout the arid West, where they can lie preserved for tens of thousands of years. More than a thousand of these deposits have been dated and analyzed, and middens have supplanted pollen records as a touchstone for studying vegetation dynamics and climatic change in radiocarbon time (the last 40,000 years). Now, similar deposits made by other mammals like hyraxes are being reported from other parts of the world. This book brings together the findings and views of many of the researchers investigating fossil middens in the United States, Mexico, Africa, the Middle East, and Australia. The contributions serve to open a forum for methodological concerns, update the fossil record of various geographic regions, introduce new applications, and display the vast potential for fossil midden analysis in arid regions worldwide. The findings presented here will serve to foster regional research and to promote general studies devoted to global climate change. Included in the text are more than two hundred charts, photographs, and maps.

Author:
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ISBN:
Category : Algae
Languages : en
Pages : 182

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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 624

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Author: William C. Fischer
Publisher:
ISBN:
Category : Fire ecology
Languages : en
Pages : 92

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