Distribution Of Organic Matter Reserve In A Desert Shrub Community
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Distribution of Organic Matter Reserve in a Desert Shrub Community
Author | : Ralph C. Holmgren |
Publsiher | : Unknown |
Total Pages | : 26 |
Release | : 1972 |
Genre | : Desert ecology |
ISBN | : MINN:31951D02988130J |
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In a community of widely spaced perennials, mostly shrubs, in the cold desert of western Utah, total accumulated organic mass (excluding the small amount of humus) is about 1,770g./m.2. Of this total, 240 g. are above the ground and 1,530 g. below. Of the latter, 295 g. is underground litter. About half of the 1,235 g. of roots are in the surface 30 cm. of the soil, about 0.3 of them in the second 30 cm., 0.15 in the third, 0.03 in the fourth, and 0.01 of them occur below 120 cm. to about 135 cm. Coarce roots (> 2 mm. in diameter) are found only in the immediate vicinity of plants and are unimportant below the 15-cm. depth. Fine (
Distribution of Organic Matter Reserve in a Desert Shrub Community
Author | : Ralph C. Holmgren,Sam F. Brewster |
Publsiher | : Unknown |
Total Pages | : 15 |
Release | : 1972 |
Genre | : Desert ecology |
ISBN | : OCLC:247830798 |
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In a community of widely spaced perennials, mostly shrubs, in the cold desert of western Utah, total accumulated organic mass (excluding the small amount of humus) is about 1,770g./m.2. Of this total, 240 g. are above the ground and 1,530 g. below. Of the latter, 295 g. is underground litter. About half of the 1,235 g. of roots are in the surface 30 cm. of the soil, about 0.3 of them in the second 30 cm., 0.15 in the third, 0.03 in the fourth, and 0.01 of them occur below 120 cm. to about 135 cm. Coarce roots (> 2 mm. in diameter) are found only in the immediate vicinity of plants and are unimportant below the 15-cm. depth. Fine (
Distribution of Organic Matter Reserve in a Desert Shrub Community Classic Reprint
Author | : Ralph C. Holmgren |
Publsiher | : Forgotten Books |
Total Pages | : 30 |
Release | : 2018-09-11 |
Genre | : Science |
ISBN | : 1390416305 |
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Excerpt from Distribution of Organic Matter Reserve in a Desert Shrub Community In a typical year, the soil is dry most of the time after the short period of spring moisture. The water table lies 145 m. Below the ground surface. 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.
USDA Forest Service Research Paper INT
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 26 |
Release | : 1972 |
Genre | : Forests and forestry |
ISBN | : MINN:30000010177792 |
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Environmental Effects of Off Road Vehicles
Author | : R. H. Webb,H. G. Wilshire |
Publsiher | : Springer Science & Business Media |
Total Pages | : 542 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9781461254546 |
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This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environ mental management. Each volume is a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discern and implement man's stewardship of our environment and the world's renewable re sources. For we must strive to understand the relationship between man and nature, act to bring harmony to it, and nurture an environment that is both stable and productive. These objectives have often eluded us because the pursuit of other individual and societal goals has diverted us from a course of living in balance with the environment. At times, therefore, the environmental manager may have to exert restrictive control, which is usually best applied to man, not nature. Attempts to alter or harness nature have often failed or backfired, as exemplified by the results of imprudent use of herbicides, fertilizers, water, and other agents. Each book in this series will shed light on the fundamental and applied aspects of environmental management. It is hoped that each will help solve a practical and serious environmental problem.
Shrubland Ecosystem Genetics and Biodiversity
Author | : E. Durant McArthur |
Publsiher | : Unknown |
Total Pages | : 380 |
Release | : 2001 |
Genre | : Shrubland ecology |
ISBN | : MINN:31951D029965153 |
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The 53 papers in this proceedings include a section celebrating the 25-year anniversary of the Shrub Sciences Laboratory (4 papers), three sections devoted to themes, genetics, and biodiversity (12 papers), disturbance ecology and biodiversity (14 papers), ecophysiology (13 papers), community ecology (9 papers), and field trip section (1 paper). The anniversary session papers emphasized the productivity and history of the Shrub Sciences Laboratory, 100 years of genetics, plant materials development for wildland shrub ecosystems, and current challenges in management and research in wildland shrub ecosystems. The papers in each of the thematic science sessions were centered on wildland shrub ecosystems. The field trip featured the genetics and ecology of chenopod shrublands of east-central Utah. The papers were presented at the 11th Wildland Shrub Symposium: Shrubland Ecosystem Genetics and Biodiversity held at the Brigham Young University Conference Center, Provo, UT, June 13-15, 2000.
Proceedings RMRS
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 384 |
Release | : 1998 |
Genre | : Forests and forestry |
ISBN | : CORNELL:31924090135090 |
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Visitor Use Density and Wilderness Experience
Author | : Wayne A. Freimund |
Publsiher | : Unknown |
Total Pages | : 464 |
Release | : 2001 |
Genre | : Wilderness area users |
ISBN | : STANFORD:36105113737709 |
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