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Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee Publisher: ISBN: Category : Nature Languages : en Pages : 216
Book Description
Distributed to some depository libraries in microfiche.
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee Publisher: ISBN: Category : Nature Languages : en Pages : 216
Book Description
Distributed to some depository libraries in microfiche.
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee Publisher: ISBN: Category : Air Languages : en Pages : 228
Author: United States Congress House Committe Publisher: Palala Press ISBN: 9781379243182 Category : History Languages : en Pages : 218
Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Robert D. Rowe Publisher: Routledge ISBN: 0429696930 Category : Political Science Languages : en Pages : 335
Book Description
This book is an outcome of the Visual Values Workshop in 1982. It presents the ongoing research on state-of-the-art techniques and applications to address the human perception of changes in visual aesthetic resources and to assign psychological, social, and economic measures of value to visitors.
Author: National Research Council Publisher: National Academies Press ISBN: 0309048443 Category : Science Languages : en Pages : 465
Book Description
Scenic vistas in most U.S. parklands are diminished by haze that reduces contrast, washes out colors, and renders distant landscape features indistinct or invisible. Protecting Visibility in National Parks and Wilderness Areas describes the current understanding of the nature and extent of haze in various regions of the United States. The book addresses the scientific and legal framework of efforts to protect and improve visibility, as well as methods for assessing the relative importance of anthropogenic emission sources that contribute to haze in national parks and for considering various alternative source control measures. The volume provides guidance on how to make progress toward the national goal of correcting and preventing visibility impairment due to human activities affecting large national parks and wilderness areas.
Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Public Lands Publisher: ISBN: Category : Law Languages : en Pages : 160
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee Publisher: ISBN: Category : Nature Languages : en Pages : 216
Book Description
Distributed to some depository libraries in microfiche.
Author: James K. Agee Publisher: University of Washington Press ISBN: 9780295968179 Category : Nature Languages : en Pages : 254
Book Description
The need for cooperation among government agencies as well as an interdisciplinary approach to the increasingly challenging and complicated problem of managing park and wilderness areas prompted the University of Washington College of Forest Resources, the National Park Service, and the Forest Service to sponsor an ecosystem management workshop for scientists, planners, and managers. To develop an improved conceptual approach to managing change in ecosystems crossing natural and political boundaries, the workshop focused on defining terms, uncovering areas of misunderstanding and barriers to cooperation, and developing methods to determine the most important problems and issues. Three needs emerged from the prioritization process: a precise definition of the management objectives for park and wilderness lands and how to integrate them with objectives for surrounding lands, nationally as well as site-specific; more information about physical, biological, and social components of park and wilderness ecosystems from both sides of political boundaries; and key indicators of ecosystem condition as well as methods for evaluating management effectiveness. All of these common themes point to a need for more precise direction in management goal setting and more accurate assessment of progress toward goals. The book includes an introductory chapter by the editors and summary in which they outline a direction for ecosystem management in the next critical decades. The other chapters by individual contributors include studies on laws governing park and wilderness lands, paleoecological records that reveal the historic effects of climatic variations on vegetation change, succession and natural disturbance in relation to the problems of what can and should be preserved, managing ecosystems for large populations of vertebrates, the management of large carnivores, effects of air pollution, lake acidification, human ecology and environmental management, the role of economics, cooperation in ecosystem management, and management challenges in Yellowstone National Park.
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee
Author: United States Congress House Committe
Author: Robert D. Rowe
Author: National Research Council
Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Public Lands
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee
Author: Bernice Steinhardt
Author: United States. General Accounting Office
Author: James K. Agee
Author: United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee