Long-term Changes in Forests of the Great Smoky Mountains PDF Download
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Author: Esther D. Schneider
Publisher:
ISBN:
Category :
Languages : en
Pages : 232
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Author: Esther D. Schneider
Publisher:
ISBN:
Category :
Languages : en
Pages : 232
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Author:
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ISBN:
Category :
Languages : en
Pages :
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This report summarizes field work over two summers (1976 and 1977) to relocate, monument and reinventory permanent vegetation plots in the Great Smoky Mountains National Park. These plots were first established by the senior author and R.H. Whittaker in 1959-62. The inventory results are discussed in terms of vegetation changes in high-altitudinal forest ecosystems, in particular the spruce-fir forests, and the factors, climate shift and biotic and abiotic agents, bringing about vegetation change. A second aspect of the report summarizes experience and offers recommendations for establishment of permanent vegetation plots for the purpose of providing a monitoring tool with which to measure long-term ecological change.
Author: David B. Vandermast
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 382
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Category :
Languages : en
Pages :
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Author: Paul A. Delcourt
Publisher: Springer Science & Business Media
ISBN: 1461247403
Category : Science
Languages : en
Pages : 451
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The synthesis presented in this volume is a direct outgrowth of our ten-year FORMAP Project (Forest Mapping Across Eastern North America from 20,000 yr B.P. to the Present). Many previous research efforts in paleoecology have used plant-fossil evidence as proxy information for primarily geologic or climatic reconstructions or as a bio stratigraphic basis for correlation of regional events. In contrast, in this book, we deal with ecological questions that require a holistic perspective that integrates the interactions of biota with their dynamically changing environments over time scales up to tens of thousands of years. In the FORMAP Project, our major research objective has been to use late-Quaternary plant-ecological data sets to evaluate long-term patterns and processes in forest de velopment. In order to accomplish this objective, we have prepared subcontinent-scale calibrations that quantitatively relate the production and dispersal of arboreal pollen to dominance in the vegetation for the major tree types of eastern North America. Quantification of pollen-vegetation relationships provides a basis for developing quan titative plant-ecological data sets that allow further ecological analysis of both individual taxa and forest communities through time. Application of these calibrations to fossil pollen records for interpreting forest history thus represents a fundamental step beyond traditional summaries based upon pollen percentages.
Author: Cathryn H. Greenberg
Publisher: Springer
ISBN: 3319215272
Category : Nature
Languages : en
Pages : 406
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This book discusses the historic range of variation (HRV) in the types, frequencies, severities and scales of natural disturbances, and explores how they create heterogeneous structure within upland hardwood forests of the Central Hardwood Region (CHR). The book was written in response to a 2012 forest planning rule which requires that national forests to be managed to sustain ‘ecological integrity’ and within the ‘natural range of variation’ of natural disturbances and vegetation structure. Synthesizing information on HRV of natural disturbance types, and their impacts on forest structure, has been identified as a top need.
Author: Wayne T. Swank
Publisher: Oxford University Press
ISBN: 0195370155
Category : Nature
Languages : en
Pages : 274
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A long-term study of the effects of clearcutting on forest and stream ecosystems.
Author: M. R. Mancusi
Publisher: Forgotten Books
ISBN: 9780332756110
Category : Science
Languages : en
Pages : 130
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Excerpt from Changes in the Great Smoky Mountains, Fraser Fir Forest (1990-2000): Report to the Great Smoky Mountains National Park; October 2004 Current warmer climate trends could also have a negative impact on this ecosystem. Delcourt and Delcourt (1998) suggest that a warmer, drier climate could force the red spruce-fraser fir ecosystem to higher elevations. Since the mountains in the southeast are all under m tall and the mean global temperature is estimated to increase by to C over the next century (root and Schneider 1993) this poses a serious threat. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author:
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Category : Wilderness areas
Languages : en
Pages : 328
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Author:
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ISBN:
Category :
Languages : en
Pages : 506
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