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Author : Anonim
Publisher : Unknown
Page : 12 pages
File Size : 52,7 Mb
Release : 1993
Category : Aquatic ecology
ISBN : UVA:X002414760
Author : United States. Forest Service
Publisher : Unknown
Page : 20 pages
File Size : 52,6 Mb
Release : 1994
Category : Aquatic ecology
ISBN : MINN:31951D01212473A
Author : Anonim
Publisher : Unknown
Page : 12 pages
File Size : 47,8 Mb
Release : 1993
Category : Aquatic ecology
ISBN : MINN:31951P009871934
Author : Michael Kerry Brewin,Michael Monita,Northern Forestry Centre (Canada)
Publisher : Unknown
Page : 552 pages
File Size : 44,8 Mb
Release : 1998
Category : Fishes
ISBN : WISC:89066981523
Presents papers from a conference concerning the relationships between forest land use activities and aquatic resources. Topics of the papers include: restoration of fish habitat; ecosystem diagnostics; watershed analysis; hydrogeology of spawning habitats; human impact on aquatic ecosystems; stream fertilization as a mitigation measure; forest litterfall; suspended sediment regimes; water temperature dynamics; windthrow risk assessment and management; large woody debris dynamics; watershed restoration; cumulative effects analysis; channel morphology; integration of timber harvest with aquatic management; and responses of fish.
Author : William R. Meehan
Publisher : Unknown
Page : 50 pages
File Size : 54,9 Mb
Release : 1974
Category : Aquatic habitats
ISBN : MINN:31951D02964443U
The effects of logging and associated activities on fish habitat in southeastern Alaska are discussed, and fish habitat research applicable to southeast Alaska is summarized. Requirements of salmonids for suitable spawning and rearing areas are presented. Factors associated with timber harvest which may influence these habitats are discussed in detail; e.g., sediment, stream temperature, streamflow, logging debris, and chemicals. Recommendations for further research are made.
Author : Anonim
Publisher : Unknown
Page : 148 pages
File Size : 51,9 Mb
Release : 1994
Category : Fishery management
ISBN : MINN:31951D020673286
Author : Jennifer L. Nielsen,Dennis A. Powers
Publisher : Unknown
Page : 462 pages
File Size : 53,7 Mb
Release : 1995
Category : Science
ISBN : UCSD:31822023739816
Provides empirical, theoretical, and philosophical insights into the evolution of aquatic ecosystems from perspectives that range from molecular and cellular biology to ecology and behavior. The 36 papers and panel discussions were reviewed across disciplines and presented at a May 1994 conference in Monterey, California. They cover general perspectives, morphology and systematics, behavior and life history, genetics, and ecosystems and habitat.
Author : Anonim
Publisher : Unknown
Page : 80 pages
File Size : 50,9 Mb
Release : 1997
Category : Fishes
ISBN : MINN:31951D03009623M
Author : National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Committee on Restoration of Aquatic Ecosystems: Science, Technology, and Public Policy
Publisher : National Academies Press
Page : 575 pages
File Size : 40,7 Mb
Release : 1992-01-01
Category : Technology & Engineering
ISBN : 9780309045346
Aldo Leopold, father of the "land ethic," once said, "The time has come for science to busy itself with the earth itself. The first step is to reconstruct a sample of what we had to begin with." The concept he expressedâ€"restorationâ€"is defined in this comprehensive new volume that examines the prospects for repairing the damage society has done to the nation's aquatic resources: lakes, rivers and streams, and wetlands. Restoration of Aquatic Ecosystems outlines a national strategy for aquatic restoration, with practical recommendations, and features case studies of aquatic restoration activities around the country. The committee examines: Key concepts and techniques used in restoration. Common factors in successful restoration efforts. Threats to the health of the nation's aquatic ecosystems. Approaches to evaluation before, during, and after a restoration project. The emerging specialties of restoration and landscape ecology.
Author : Fred H. Everest
Publisher : Unknown
Page : 146 pages
File Size : 55,5 Mb
Release : 2007
Category : Aquatic habitats
ISBN : MINN:31951D02974969M
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.
Author : United States. Forest Service
Publisher : Unknown
Page : 16 pages
File Size : 45,8 Mb
Release : 1978
Category : Anadromous fishes
ISBN : MINN:31951002841941Y
Author : Michael J. Furniss
Publisher : DIANE Publishing
Page : 80 pages
File Size : 49,7 Mb
Release : 2011
Category : Nature
ISBN : 9781437939842
This is a print on demand edition of a hard to find publication. Water from forested watersheds provides irreplaceable habitat for aquatic and riparian species and supports our homes, farms, industries, and energy production. Yet population pressures, land uses, and rapid climate change combine to seriously threaten these waters and the resilience of watersheds in most places. Forest land managers are expected to anticipate and respond to these threats and steward forested watersheds to ensure the sustained protection and provision of water and the services it provides. Contents of this report: (1) Intro.; (2) Background: Forests and Water; Climate Change: Hydrologic Responses and Ecosystem Services; (3) Moving Forward: Think; Collaborate; Act; (4) Closing; (5) Examples of Watershed Stewardship. Illus.
Author : Theodore Catton
Publisher : Unknown
Page : 472 pages
File Size : 42,9 Mb
Release : 1998
Category : Ecosystem management
ISBN : MINN:31951D019679263
Author : William S. Platts
Publisher : Unknown
Page : 36 pages
File Size : 54,7 Mb
Release : 1981
Category : Anadromous fishes
ISBN : MINN:31951D02964507U
Author : Anonim
Publisher : Unknown
Page : 64 pages
File Size : 44,7 Mb
Release : 1983
Category : Forests and forestry
ISBN : CHI:34024054