Green Fescue Grassland
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Green Fescue Grassland
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Author : Elbert Hann Reid
language : en
Publisher:
Release Date : 1991
Green Fescue Grassland written by Elbert Hann Reid and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Fescue categories.
Green Fescue Grassland
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Author : Elbert Hann Reid
language : en
Publisher:
Release Date : 1980
Green Fescue Grassland written by Elbert Hann Reid and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Fescue categories.
Green Fescue Grassland
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Author : Elbert H. Reid
language : en
Publisher: Forgotten Books
Release Date : 2017-11-19
Green Fescue Grassland written by Elbert H. Reid and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-19 with categories.
Excerpt from Green Fescue Grassland: 40 Years of Secondary Succession; June 1980 The 40 - year succession of a depleted green fescue (festuca viridula) subalpine grassland in the Wallowa Mountains, Oregon, was influenced by historic soil erosion. Range conditions of the grass land annually grazed by domestic sheep improved greatly between 1938 and 1978 most of the improvement occurred between the 3oth and 4oth years. Photographs illustrate the changes. Keywords: Grassland management, succession, fescue, Festuca, grazing (range), subalpine grasslands. Improvement of both land and sheep management practices after 1938 initiated secondary succession that was measured and photographed again in 1956, 1968, and 1978. Continued accelerated erosion was not evident in 1956, nor in 1968 and 1978. 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.
Green Fescue Rangelands
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Author : Charles G. Johnson
language : en
Publisher:
Release Date : 2003
Green Fescue Rangelands written by Charles G. Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Fescue categories.
This publication documents over 90 years of plant succession on green fescue grasslands in the subalpine ecological zone of the Wallowa Mountains in northeast Oregon. It also ties together the work of four scientists over a 60-year period. Arthur Sampson initiated his study of deteriorated rangeland in 1907. Elbert H. Reid began his studies of overgrazing in 1938. Both of these individuals utilized high-elevation green fescue grasslands in different locations in the Wallowa Mountains for their study areas. Then in 1956, Gerald Strickler returned to the sites previously studied by Sampson and Reid to establish the first permanent monitoring points when he located and staked camera points they had used. He also established line transects where he photographed and sampled the vegetation to benchmark the condition of the sites. In 1998, on the 60th anniversary of the Reid camera points in Tenderfoot Basin, the author returned to document the changes in the vegetation on the Sampson and Reid sites establishing photographic comparisons and resampling the transects Strickler had established. When Sampson and Reid conducted their initial studies, domestic sheep had overgrazed the vegetation leading to severely eroded soils and weakened native vegetation. In recent years, the presence of domestic sheep had declined dramatically. As a result, vegetation trends were generally found to be static or upward on most of the sampled sites. The recent drought period (1985-92) and the high population of elk in the 1980s and 1990s contributed to the downward trend on some permanent monitoring sites. The use of repeat photography from permanent camera points and the use of permanent line transects for vegetation data acquisition provide the basis on which this comparative study and publication of findings was made possible.
Vegetation And Soil Condition Changes On A Subalpine Grassland In Eastern Oregon
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Author : Gerald S. Strickler
language : en
Publisher:
Release Date : 1961
Vegetation And Soil Condition Changes On A Subalpine Grassland In Eastern Oregon written by Gerald S. Strickler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Range management categories.
Basis For Judging Subalpine Grassland Ranges Of Oregon And Washington
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Author : Gerald Duane Pickford
language : en
Publisher:
Release Date : 1942
Basis For Judging Subalpine Grassland Ranges Of Oregon And Washington written by Gerald Duane Pickford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1942 with Grasslands categories.
The Green Fields And Their Grasses
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Author : Anne Pratt
language : en
Publisher:
Release Date : 1852
The Green Fields And Their Grasses written by Anne Pratt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1852 with Grasses categories.
Grasses And Forage Plants
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Author : Charles Louis Flint
language : en
Publisher:
Release Date : 1874
Grasses And Forage Plants written by Charles Louis Flint and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1874 with Forage plants categories.
Grasses And Grains
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Author : Theresa Greenaway
language : en
Publisher: Steck-Vaughn
Release Date : 1990
Grasses And Grains written by Theresa Greenaway and has been published by Steck-Vaughn this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Juvenile Nonfiction categories.
Discusses the characteristics of different kinds of grasslands in the world and describes the structure of grasses, how they grow and develop, the grains they produce, and their importance to animals and humans.
Research Paper Pnw
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Author :
language : en
Publisher:
Release Date : 1978
Research Paper Pnw written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Forests and forestry categories.