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BOOK EXCERPT:
Management of riparian habitats is controversial because land use policies have historically emphasized economic values (e.g., timber production) at the expense of ecological and social values. Attempting to manage these valuable resources to attain the greatest combination of benefits has created a long-term controversy that continues to the present. Our analysis indicates that at mid to large spatial scales, healthy riparian ecosystems and land management activities are not mutually exclusive, but the degree of compatibility is determined by policy decisions based on competing demands and pressing timelines as well as available scientific knowledge. Current management schemes on federal lands in the Pacific Northwest and Alaska are appropriately addressing large spatial scales and incorporating the principles of disturbance ecology. We found no scientific evidence that either the default prescriptions or the options for watershed analysis in the Northwest Forest Plan and Tongass Land Management Plan provide more protection than necessary to meet stated riparian management goals. We believe that additional alternative riparian management strategies could be implemented and evaluated in concert to shorten the time needed to realize effective strategies that fully meet riparian management goals.
Product Details :
Genre |
: Aquatic habitats |
Author |
: Fred H. Everest |
Publisher |
: |
Release |
: 2007 |
File |
: 146 Pages |
ISBN-13 |
: MINN:31951D02974969M |
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Product Details :
Genre |
: Forests and forestry |
Author |
: |
Publisher |
: |
Release |
: 2007 |
File |
: 682 Pages |
ISBN-13 |
: CORNELL:31924101499592 |
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“Unlike the standard nature guides that explain how to recognize common animals, Nature stresses the web of interrelationships that link the regional flora and fauna. This affectionate examination of some of North America’s most spectacular surviving old-growth forests will delight backpackers and armchair naturalists.” —Los Angeles Times Book Review Everything you ever wanted to know about the flora and fauna of Southeast Alaska is contained in the third edition of this lively field guide to the natural world, from bears to banana slugs, mountains to murrelets. The authors, who are both Alaskan residents and biologists, combine scientific research with personal experiences to make a definitive field guide for residents of or visitors to Southeast Alaska. The unique features of the book include: In-depth information about how wildlife coexists with the environment Detailed discussions of mammals, birds, fish, invertebrates, fungi, and plants Detailed map of wilderness areas in Southeast Alaska More than 200 black-and-white illustrations A bibliography, list of common and scientific names, and an index New to this edition: More than 100 new illustrations, many never before published, as well as new maps and photos Major expansion of sections on geology, old-growth forests, marine mammals, and amphibians Fifty-two new sidebars—written in the first person to give the text a more personal touch—that describe recent findings or experiences. Sweeping updates and elaborations to chapter narratives—often thanks to technology unknown in 1992. In-depth guide to Southeast Alaska’s flora and fauna; more than an identification manual, Nature explores how the species and habitats encountered in the woods and waters of Southeast Alaska fit into the bigger picture.
Product Details :
Genre |
: Nature |
Author |
: Richard Carstensen |
Publisher |
: Graphic Arts Books |
Release |
: 2014-03-03 |
File |
: 429 Pages |
ISBN-13 |
: 9780882409290 |
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BOOK EXCERPT:
The Aquatic Conservation Strategy (ACS) of the Northwest Forest Plan guides management of riparian and aquatic ecosystems on federal lands in western Oregon, western Washington, and northern California. We applied new scientific findings and tools to evaluate two potential options, A and B, for refining interim riparian reserves to meet ACS goals and likely challenges of climate change while supporting other management goals, including timber production. Interim riparian reserves are retained in late-successional reserves and other special land designations in the options. In lands designated as matrix, the area for aquatic conservation extends upslope one site-potential tree-height along all streams, divided into an inner zone devoted solely to achieving ACS goals and an outer zone managed to achieve ACS and other goals. Option A uses a fixed-width approach and option B a context-dependent approach, with partitioning of zones based on the ecological sensitivity of stream reaches. Based on simulations of the area of interim riparian reserves in six watersheds in western Oregon with lands managed by the Bureau of Land Management (BLM): (1) about 76 percent under option A and 72 percent under option B remain solely devoted to ACS goals; (2) 15 percent under option A and 19 percent under option B should be able to meet ACS goals and also contribute toward matrix goals such as timber production; and (3) 9 percent would be returned to matrix. A large percentage of streams with high ecological sensitivity occurred on nonfederal lands, a circumstance that merits further analysis in the context of landscape-scale considerations for biodiversity and recovery of species listed under the Endangered Species Act. Information needs remain with regard to the application and effectiveness of these options, and an adaptive management context is critical for continued improvement.
Product Details :
Genre |
: Aquatic ecology |
Author |
: Gordon H. Reeves |
Publisher |
: |
Release |
: 2016 |
File |
: 110 Pages |
ISBN-13 |
: RUTGERS:39030042439937 |
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BOOK EXCERPT:
Natural Resources Conservation and Advances for Sustainability addresses the latest challenges associated with the management and conservation of natural resources. It presents interdisciplinary approaches to promote advances in solving these challenges. By examining what has already been done and analyzing it in the context of what still needs to be done, particularly in the context of latest technologies and sustainability, the book helps to identify ideal methods for natural resource management and conservation. Each chapter begins with a graphical abstract and presents complicated or detailed content in the form of figures or tables. In addition, the book compares the latest techniques with conventional techniques and troubleshoots conventional methods with modifications, making it a practical resource for researchers in environmental science and natural resource management. Discusses the pros and cons of past and current endeavors related to natural resource management Presents recent technologies and methods for management and conservation, particularly with applications for sustainability Covers a variety of disciplines, from environmental science to life science Includes a graphical abstract as well as a section on significant achievements in the field and future perspectives
Product Details :
Genre |
: Nature |
Author |
: Manoj Kumar Jhariya |
Publisher |
: Elsevier |
Release |
: 2021-09-24 |
File |
: 652 Pages |
ISBN-13 |
: 9780128231128 |
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BOOK EXCERPT:
Product Details :
Genre |
: |
Author |
: |
Publisher |
: |
Release |
: 1992 |
File |
: 248 Pages |
ISBN-13 |
: NWU:35556034591495 |
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BOOK EXCERPT:
Product Details :
Genre |
: Forests and forestry |
Author |
: Pacific Northwest Research Station (Portland, Or.) |
Publisher |
: |
Release |
: 1996 |
File |
: 104 Pages |
ISBN-13 |
: MINN:31951D029778019 |
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BOOK EXCERPT:
Product Details :
Genre |
: Forests and forestry |
Author |
: Pacific Northwest Forest and Range Experiment Station (Portland, Or.) |
Publisher |
: |
Release |
: 1980 |
File |
: 308 Pages |
ISBN-13 |
: IND:30000090083241 |
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BOOK EXCERPT:
Product Details :
Genre |
: |
Author |
: |
Publisher |
: |
Release |
: 1997 |
File |
: 620 Pages |
ISBN-13 |
: NWU:35556030817217 |
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BOOK EXCERPT:
Product Details :
Genre |
: Riparian ecology |
Author |
: William S. Platts |
Publisher |
: |
Release |
: 1987 |
File |
: 184 Pages |
ISBN-13 |
: MINN:31951D03001333Z |