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Author:
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ISBN:
Category :
Languages : en
Pages : 406
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 406
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Author: Robert W. Adler
Publisher: Island Press
ISBN: 1597267783
Category : Science
Languages : en
Pages : 341
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Book Description
Over the past century, humans have molded the Colorado River to serve their own needs, resulting in significant impacts to the river and its ecosystems. Today, many scientists, public officials, and citizens hope to restore some of the lost resources in portions of the river and its surrounding lands. Environmental restoration on the scale of the Colorado River basin is immensely challenging; in addition to an almost overwhelming array of technical difficulties, it is fraught with perplexing questions about the appropriate goals of restoration and the extent to which environmental restoration must be balanced against environmental changes designed to promote and sustain human economic development. Restoring Colorado River Ecosystems explores the many questions and challenges surrounding the issue of large-scale restoration of the Colorado River basin, and of large-scale restoration in general. Robert W. Adler evaluates the relationships among the laws, policies, and institutions governing use and management of the Colorado River for human benefit and those designed to protect and restore the river and its environment. He examines and critiques the often challenging interactions among law, science, economics, and politics within which restoration efforts must operate. Ultimately, he suggests that a broad concept of “restoration” is needed to navigate those uncertain waters, and to strike an appropriate balance between human and environmental needs. While the book is primarily about restoration of Colorado River ecosystems, it is also about uncertainty, conflict, competing values, and the nature, pace, and implications of environmental change. It is about our place in the natural environment, and whether there are limits to that presence we ought to respect. And it is about our responsibility to the ecosystems we live in and use.
Author: Peter Matthiessen
Publisher: Penguin Group USA
ISBN: 9780140047936
Category : Animals
Languages : en
Pages : 304
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Book Description
This classic history of the rare, threatened, and extinct animals of North America is a dramatic chronicle of man's role in the disappearance of great and small species of our land. "Should be the number one source volume for everyone who embraces the philosophy of conservation".--Roger Tory Peterson. Illustrations throughout.
Author: P.J. Olney
Publisher: Springer Science & Business Media
ISBN: 9401107211
Category : Nature
Languages : en
Pages : 560
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Book Description
Past progress and future challenges R.J. Wheater Royal Zoological Society of Scotland, Edinburgh, UK. In the past two decades much has been achieved in the sphere of breeding endangered species, and we should be pleased that our co operative efforts have already borne so much fruit. However, on balance and despite the best efforts of conservationists, the position of wildlife in the wild places where they are best conserved has become worse, often dramatically worse. Before returning to the United Kingdom in 1972, I was in Uganda for 16 years, most of which time was spent as Chief Warden of Murchison Falls National Park. Our main problem was that an over-population of large mammals was having a devastating impact on the habitat. Devas tation was being wrought on woodland areas by the arrival of large numbers of elephants into the sanctuary of the Park, following changes in land use in the areas outside the Park. These changes were in response to the requirements of an ever-expanding human population.
Author: Anthony Godfrey
Publisher: U.S. Government Printing Office
ISBN:
Category : Nature
Languages : en
Pages : 688
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"United States Department of Agriculture, Forest Service, Pacific Southwest Region"
Author: Northern Rocky Mountain Wolf Recovery Team
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 88
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Author: Pritpal S. Soorae
Publisher: IUCN
ISBN: 283171320X
Category : Animals
Languages : en
Pages : 366
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Book Description
"This is the second issue in the Global Re-introduction Perspectives series and has been produced in the same standardized format as the previous one. The case-studies are arranged in the following order: Introduction, Goals, Success Indicators, Project Summary, Major Difficulties Faced, Major Lessons Learned, Success of Project with reasons for success or failure. For this second issue we received a total of 72 case-studies compared to 62 in the last issue. These case studies cover the following taxa as follows: invertebrates (9), fish (6), amphibians (5), reptiles (7), birds (13), mammals (20) and plants (12) ... We hope the information presented in this book will provide a broad global perspective on challenges facing re-introduction projects trying to restore biodiversity."--Pritpal S. Soorae.
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Category : American literature
Languages : en
Pages : 3126
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Author:
Publisher: Geological Survey (USGS)
ISBN:
Category : Medical
Languages : en
Pages : 444
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Book Description
Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 122
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