Southwestern Rare and Endangered Plants PDF Download
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Author:
Publisher:
ISBN:
Category : Endangered plants
Languages : en
Pages : 264
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Book Description
Author:
Publisher:
ISBN:
Category : Endangered plants
Languages : en
Pages : 264
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 262
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Author:
Publisher:
ISBN:
Category : Forest restoration
Languages : en
Pages : 468
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Author: Robert H. Mohlenbrock
Publisher: MacMillan Publishing Company
ISBN:
Category : Nature
Languages : en
Pages : 272
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Book Description
This book attempts to provide an account of each kind of plant that has been placed on the federal list of endangered and threatened species, as well as those that have gone through the listing process except for the final listing. In addition, nearly sixty plants in the United States that are rare and are being reviewed by the United States Fish and Wildlife service are described in this book. Following an initial chapter that discusses one of this nation's extinct plants and the efforts now being made to prevent further extinction, there are seven chapters based on geographical regions in this country that include the discussions of the endangered and threatened plants. Those plants which have already been listed by the federal government are given first in each chapter, followed by those currently under review.
Author: Donald H. Mansfield
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 430
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Book Description
A major contribution to Oregon and Great Basin flora, this field guide identifies plants of the botanically rich Steens Mountain and surrounding areas.
Author: Jennifer Dimling
Publisher:
ISBN:
Category : Endangered plants
Languages : en
Pages : 72
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Author:
Publisher:
ISBN:
Category : Environmental impact statements
Languages : en
Pages :
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Author: Michael L. Pace
Publisher: Springer Science & Business Media
ISBN: 1461217245
Category : Science
Languages : en
Pages : 515
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Book Description
Ecosystem research has emerged in recent decades as a vital, successful, and sometimes controversial approach to environmental science. This book emphasizes the idea that much of the progress in ecosystem research has been driven by the emergence of new environmental problems that could not be addressed by existing approaches. By focusing on successes and limitations of ecosystems studies, the book explores avenues for future ecosystem-level research.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309264944
Category : Technology & Engineering
Languages : en
Pages : 399
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Book Description
Using Science to Improve the BLM Wild Horse and Burro Program: A Way Forward reviews the science that underpins the Bureau of Land Management's oversight of free-ranging horses and burros on federal public lands in the western United States, concluding that constructive changes could be implemented. The Wild Horse and Burro Program has not used scientifically rigorous methods to estimate the population sizes of horses and burros, to model the effects of management actions on the animals, or to assess the availability and use of forage on rangelands. Evidence suggests that horse populations are growing by 15 to 20 percent each year, a level that is unsustainable for maintaining healthy horse populations as well as healthy ecosystems. Promising fertility-control methods are available to help limit this population growth, however. In addition, science-based methods exist for improving population estimates, predicting the effects of management practices in order to maintain genetically diverse, healthy populations, and estimating the productivity of rangelands. Greater transparency in how science-based methods are used to inform management decisions may help increase public confidence in the Wild Horse and Burro Program.
Author: United States. Forest Service. Pacific Southwest Region
Publisher:
ISBN:
Category : Environmental impact statements
Languages : en
Pages : 112
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Book Description
