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Author : Gerould Wilhelm
Publisher : Unknown
Page : 274 pages
File Size : 48,7 Mb
Release : 1980
Category : Botany
ISBN : IND:30000102104217
Author : United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands, National Parks, and Forests
Publisher : Unknown
Page : 344 pages
File Size : 45,6 Mb
Release : 1991
Category : Historic sites
ISBN : UCR:31210014719254
Author : Anonim
Publisher : Unknown
Page : 284 pages
File Size : 55,6 Mb
Release : 1995
Category : Electronic
ISBN : NWU:35556030161772
Author : Anonim
Publisher : Unknown
Page : 146 pages
File Size : 44,9 Mb
Release : 1975
Category : Electronic
ISBN : NWU:35556030161921
Author : Anonim
Publisher : Unknown
Page : 496 pages
File Size : 49,6 Mb
Release : 2012
Category : Electronic
ISBN : NWU:35556041951880
Author : John O. Whitaker,John Gibble,Eric Kjellmark
Publisher : Unknown
Page : 140 pages
File Size : 41,9 Mb
Release : 1994
Category : Animals
ISBN : MINN:31951D01109855A
Author : William L. Halvorson,Gary E. Davis
Publisher : University of Arizona Press
Page : 377 pages
File Size : 40,9 Mb
Release : 2023-01-17
Category : Science
ISBN : 9780816552405
Our national parks are more than mere recreational destinations. They are repositories of the nation's biological diversity and contain some of the last ecosystem remnants needed as standards to set reasonable goals for sustainable development throughout the land. Nevertheless, public pressure for recreation has largely precluded adequate research and resource monitoring in national parks, and ignorance of ecosystem structure and function in parks has led to costly mistakes--such as predator control and fire suppression--that continue to threaten parks today. This volume demonstrates the value of ecological knowledge in protecting parks and shows how modest investments in knowledge of park ecosystems can pay handsome dividends. Science and Ecosystem Management in the National Parks presents twelve case studies of long-term research conducted in and around national parks that address major natural resource issues. These cases demonstrate how the use of longer time scales strongly influence our understanding of ecosystems and how interpretations of short-term patterns in nature often change when viewed in the context of long-term data sets. Most importantly, they show conclusively that scientific research significantly reduces uncertainty and improves resource management decisions. Chosen by scientists and senior park managers, the cases offer a broad range of topics, including: air quality at Grand Canyon; interaction between moose and wolf populations on Isle Royale; control of exotic species in Hawaiian parks; simulation of natural fire in the parks of the Sierra Nevada; and the impact of urban expansion on Saguaro National Monument. Because national parks are increasingly beset with conflicting views of their management, the need for knowledge of park ecosystems becomes even more critical--not only for the parks themselves, but for what they can tell us about survival in the rest of our world. This book demonstrates to policymakers and managers that decisions based on knowledge of ecosystems are more enduring and cost effective than decisions derived from uninformed consensus. It also provides scientists with models for designing research to meet threats to our most precious natural resources. "If we can learn to save the parks," observe Halvorson and Davis, "perhaps we can learn to save the world."
Author : Dave Egan,Evelyn A. Howell
Publisher : Island Press
Page : 488 pages
File Size : 40,6 Mb
Release : 2005-08-12
Category : Nature
ISBN : 9781597260336
A fundamental aspect of the work of ecosystem restoration is to rediscover the past and bring it into the present-to determine what needs to be restored, why it was lost, and how best to make it live again. This handbook makes essential connections between past and future ecosystems, bringing together leading experts to offer a much-needed introduction to the field of historical ecology and its practical application by on-the-ground restorationists. - from publisher description.
Author : Anonim
Publisher : Unknown
Page : 196 pages
File Size : 52,9 Mb
Release : 1983
Category : Electronic
ISBN : NWU:35556030996839
Author : Anonim
Publisher : Unknown
Page : 470 pages
File Size : 40,9 Mb
Release : 1990
Category : Electronic
ISBN : NWU:35556030134506
Author : United States. National Park Service
Publisher : Unknown
Page : 268 pages
File Size : 48,7 Mb
Release : 1977
Category : Indiana Dunes National Lakeshore (Ind.)
ISBN : IND:30000106629284
Author : Anonim
Publisher : Unknown
Page : 584 pages
File Size : 41,5 Mb
Release : 1983
Category : Electronic
ISBN : NWU:35556030996870
Author : Kay Yatskievych
Publisher : Indiana University Press
Page : 392 pages
File Size : 53,7 Mb
Release : 2000
Category : Nature
ISBN : 0253214203
A standard-setting, state-of-the-art field guide to Indiana's (and surrounding states') wildflowers.
Author : Anonim
Publisher : Unknown
Page : 412 pages
File Size : 51,6 Mb
Release : 2003
Category : Conservation of natural resources
ISBN : UOM:39015057339320
Author : Frank R. Spellman
Publisher : Rowman & Littlefield
Page : 364 pages
File Size : 43,5 Mb
Release : 2008
Category : Ecology
ISBN : 9780865871977
Written for anyone who works with chemicals or has a general interest in ecology, this book examines the interrelationship of life forms in our environment and provides straightforward explanations about the complicated interactions among nature and humans. Emphasizing basic concepts, definitions, and descriptions, the author presents illustrative problems in terms of commonly used ecological parameters to provide readers with enough information to make technical and personal decisions about ecology. Funneling the broad, multidisciplinary field of ecology, which incorporates aspects of biology, chemistry, physics, geology, meteorology, agriculture, forestry, and more into a single stream, the author provides those with backgrounds in only a handful, or even none, of these disciplines with an easy-to-read understanding of the functions and values of ecology and its interrelationships with other sciences, including ecology's direct impact on our lives. Organized into three parts, this book examines the fundamentals of ecology, the role of biodiversity, and the practical side of ecology. Readers will examine such topics as biogeochemical cycles, ecological pyramids, and the laws of population ecology. They will also examine species, terrestrial ecosystems, and aquatic systems. Each chapter ends with a Chapter Review Test.
