A Literature Survey on the Wetland Vegetation of Alaska PDF Download
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Author: Alan Richard Batten
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 240
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Author: Alan Richard Batten
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 240
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Author: Charles H. Racine
Publisher:
ISBN:
Category : Wetland conservation
Languages : en
Pages : 32
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Book Description
Although wetlands cover over half of Alaska, the status, management and regulation of these areas is problematic. The technical literature on Alaskan wetland vegetation, soils and hydrology is abundant, but the application of the literature to wetland management is poorly developed. This report identifies problems, issues and information gaps in the management of Alaskan wetlands. There are numerous arguments and debates on the designation, function and values, and disturbance of certain wetlands in Alaska. Permafrost, fire cycles and unique hydrologic regimes complicate the designation and delineation of Alaskan wetlands. The functions and values of most Alaskan wetlands clearly lie in their importance as habitat, particularly for migrating waterbirds, but an understanding of their role in flood water storage, water quality improvement, subsistence and other functions remains controversial and in need of study. Disturbance and other impacts on Alaskan wetlands is small relative to the large area that wetlands cover and in comparison with the loss of wetlands in the lower 48 states. However, several development projects in Alaska have affected large wetland areas and methods to restore these wetlands are being developed. Cumulative impacts are unknown, as are techniques for restoring permafrost wetlands containing gravel fill.
Author: Leslie A. Viereck
Publisher:
ISBN:
Category : Plant communities
Languages : en
Pages : 284
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Author: Ralph W. Tiner
Publisher: CRC Press
ISBN: 1439853703
Category : Technology & Engineering
Languages : en
Pages : 631
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Book Description
Understand the current concept of wetland and methods for identifying, describing, classifying, and delineating wetlands in the United States with Wetland Indicators - capturing the current state of science's role in wetland recognition and mapping. Environmental scientists and others involved with wetland regulations can strengthen their knowledge about wetlands, and the use of various indicators, to support their decisions on difficult wetland determinations. Professor Tiner primarily focuses on plants, soils, and other signs of wetland hydrology in the soil, or on the surface of wetlands in his discussion of Wetland Indicators. Practicing - and aspiring - wetland delineators alike will appreciate Wetland Indicators' critical insight into the development and significance of hydrophytic vegetation, hydric soils, and other factors. Features Color images throughout illustrate wetland indicators. Incorporates analysis and coverage of the latest Army Corps of Engineers delineation manual. Provides over 60 tables, including extensive tables of U.S. wetland plant communities and examples for determining hydrophytic vegetation.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 924
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Author:
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 28
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Author:
Publisher: Government Institutes
ISBN:
Category : Nature
Languages : en
Pages : 130
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Author: United States. Federal Interagency Committee for Wetland Delineation
Publisher:
ISBN:
Category : Land use
Languages : en
Pages : 136
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Author: United States. Congress. House. Committee on Small Business
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 1434
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Author: Geological Survey (U.S.)
Publisher:
ISBN: 9780607856965
Category : Business & Economics
Languages : en
Pages : 444
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