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Author:
Publisher:
ISBN:
Category : Acid pollution of rivers, lakes, etc
Languages : en
Pages : 756
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Book Description
Author:
Publisher:
ISBN:
Category : Acid pollution of rivers, lakes, etc
Languages : en
Pages : 756
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Book Description
Author:
Publisher: DIANE Publishing
ISBN: 9780788102981
Category : Social Science
Languages : en
Pages : 108
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Book Description
Provides a comprehensive review of government programs that generate environmental and environmentally-related statistics. Describes how the data are collected, what their temporal and geographic coverage is, what experts to contact for more information, and how to acquire the data and the reports that interpret them. Covers 7 governmet agencies: Agriculture, Commerce, Energy, HHS, Interior, Transportation and EPA. Comprehensive!
Author: William Herbert Hobbs
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 620
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Book Description
Author: Oleg S. Pokrovsky
Publisher:
ISBN: 9781536192759
Category : Nature
Languages : en
Pages : 0
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Book Description
"Lake ecosystems are known to be valid sentinels for current climate changes and anthropogenic pressure because they provide indicators of these impacts either directly or indirectly through the influence of climate and human activity on their catchments. Among these indicators, to name just a few, are water temperature, dissolved organic carbon, nutrients and metals, phyto- and zooplankton composition as well as population and biodiversity of crustacea, mollusks and fish. The advantages of using lakes as tracers of climatic changes and anthropogenic impacts on aquatic ecosystems are multiple. Lake ecosystems are well constrained, confined and are studied in a sustained fashion; lakes respond directly to climate change and local and global pollution via incorporating the effects of these impacts occurring within the catchment; lakes integrate responses over time, and thus allow to avoid the random or unique single-time effects. Finally, lakes of various sizes are distributed worldwide and, as such, can act as sentinels across various climatic conditions while exhibiting different degrees of vulnerability to external pressure depending on their size and specific location capturing different aspects of climate change (e.g., changing precipitation regime, heat waves, permafrost thaw, invasion of new species, local and global (dispersed) pollution). However, the majority of published studies on lakes in the boreal and subarctic zone deal with Western and Northern Europe and Northern America, with quite limited information on lakes in the NW Russia. This book is intended to partially fill this gap by presenting 13 chapters describing the hydrology, hydrochemistry and hydrobiology of various lakes located in the NW European Russia, from the Finland border in the West to the Ural Mountains in the East. The thirteen chapters of the book, written by the experts in the field of biogeochemistry, limnology and zoology cover full limnetic ecosystems, from lake physical characteristics to lake water chemistry, microbiology, phytoplankton and zooplankton population, Crustacea, mollusks and fish. A multidisciplinary approach across wide geographical zones, comprising both small and large lakes of the Russian Subarctic, presented in this book, will be interesting for a large community of scholars, students, and researchers from academic and private organizations"--
Author: Kirsi Merilehto
Publisher: Nordic Council of Ministers
ISBN: 9788773032381
Category : Technology & Engineering
Languages : en
Pages : 164
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Book Description
Miljørapport 1988:14
Author: Charles E. Herdendorf
Publisher:
ISBN:
Category : Erie, Lake
Languages : en
Pages : 112
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 9780309045346
Category : Technology & Engineering
Languages : en
Pages : 580
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Book Description
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: Kimberly C. Joyner
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 162
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 826
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Book Description
Author: United States. Great Lakes Basin Commission
Publisher:
ISBN:
Category : Great Lakes (North America)
Languages : en
Pages : 806
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Book Description
