Characterization of High Elevation Central Appalachian Wetlands PDF Download
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Author: Karen E. Francl
Publisher:
ISBN:
Category : Vegetation surveys
Languages : en
Pages : 32
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Book Description
Author: Karen E. Francl
Publisher:
ISBN:
Category : Vegetation surveys
Languages : en
Pages : 32
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Book Description
Author: Karen E. Francl
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Book Description
We characterized 20 high elevation wetlands in the central Appalachian Mountains in West Virginia and Maryland, in terms of vegetation, soils, hydrology, and geology. Plant species were distributed along soil chemical (pH, conductivity) and physical (organic matter depth) gradients across sites. Topography and geology appear to explain differences among these wetlands, as reflected by soil and chemistry measures and vegetation distribution. Our work provides substantial quantitative baseline data for these uncommon high elevation wetlands, emphasizing the importance and diversity of these isolated systems.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 244
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Book Description
Author: Brett T. McLaurin
Publisher: Geological Society of America
ISBN: 0813700663
Category : Science
Languages : en
Pages : 258
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Book Description
Author: Joseph T. Hannibal
Publisher: Geological Society of America
ISBN: 0813700469
Category : History
Languages : en
Pages : 74
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Book Description
Author:
Publisher:
ISBN:
Category : Biodiversity conservation
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 320
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Book Description
Author: Ralph W. Tiner
Publisher: CRC Press
ISBN: 1315357070
Category : Technology & Engineering
Languages : en
Pages : 588
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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: Committee on Characterization of Wetlands
Publisher: National Academies Press
ISBN: 0309587220
Category : Science
Languages : en
Pages : 329
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Book Description
"Wetlands" has become a hot word in the current environmental debate. But what does it signify? In 1991, proposed changes in the legal definities of wetlands stirred controversy and focused attention on the scientific and economic aspects of their management. This volume explores how to define wetlands. The committee--whose members were drawn from academia, government, business, and the environmental community--builds a rational, scientific basis for delineating wetlands in the landscape and offers recommendations for further action. Wetlands also discusses the diverse hydrological and ecological functions of wetlands, and makes recommendations concerning so-called controversial areas such as permafrost wetlands, riparian ecosystems, irregularly flooded sites, and agricultural wetlands. It presents criteria for identifying wetlands and explores the problems of applying those criteria when there are seasonal changes in water levels. This comprehensive and practical volume will be of interest to environmental scientists and advocates, hydrologists, policymakers, regulators, faculty, researchers, and students of environmental studies.
Author: Reed F. Noss
Publisher: Island Press
ISBN: 161091225X
Category : Nature
Languages : en
Pages : 353
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Book Description
Forgotten Grasslands of the South is a literary and scientific case study of some of the biologically richest and most endangered ecosystems in North America. Eminent ecologist Reed Noss tells the story of how southern grasslands arose and persisted over time and addresses questions that are fundamental for conserving these vital yet poorly understood ecosystems. The author examines: the natural history of southern grasslands their origin and history (geologic, vegetation, and human) biological hotspots and endangered ecosystems physical determinants of grassland distribution, including ecology, soils, landform, and hydrology fire, herbivores, and ecological interactions. The final chapter presents a general conservation strategy for southern grasslands, including prioritization, protection, restoration, and management. Also included are examples of ongoing restoration projects, along with a prognosis for the future. In addition to offering fascinating new information about these little-studied ecosystems, Noss demonstrates how natural history is central to the practice of conservation. Natural history has been on a declining trajectory for decades, as theory and experimentation have dominated the field of ecology. Ecologists are coming to realize that these divergent approaches are in fact complementary, and that pursuing them together can bring greater knowledge and understanding of how the natural world works and how we can best conserve it. Forgotten Grasslands of the South explores the overarching importance of ecological processes in maintaining healthy ecosystems, and is the first book of its kind to apply natural history, in a modern, comprehensive sense, to the conservation of biodiversity across a broad region. It sets a new standard for scientific literature and is essential reading not only for those who study and work to conserve the grasslands of the South but also for everyone who is fascinated by the natural world.
