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Author: Stephen Braithwaite Horsley
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 132
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Book Description
Author: Stephen Braithwaite Horsley
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 132
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Book Description
Author:
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 72
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Book Description
Author: David R. Houston
Publisher:
ISBN:
Category : Aceraceae
Languages : en
Pages : 55
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 332
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 52
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Book Description
Author: John Gunn
Publisher: CRC Press
ISBN: 020349508X
Category : Nature
Languages : en
Pages : 534
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Book Description
Boreal Shield Watersheds: Lake Trout Ecosystems in a Changing Environment brings together the work of a renowned international group of scientists who specialize in aquatic science and environmental management. They explore the functioning of Boreal Shield ecosystems, focusing on the lake trout, the classic coldwater species of northern glaciated l
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 558
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Book Description
Author: Singh J.S., Singh S.P. & Gupta S.R.
Publisher: S. Chand Publishing
ISBN: 9383746009
Category : Science
Languages : en
Pages : 944
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Book Description
Over the years, the scope of our scientific understanding and technical skills in ecology and environmental science have widened significantly, with increasingly greater emphasis on societal issues. In this book, an attempt has been made to give basic concepts of ecology, environmental science and various aspects of natural resource conservation. The topics covered primarily deal with environmental factors affecting organisms, adaptations, biogeography, ecology of species populations and species interactions, biotic communities and ecosystems, environmental pollution, stresses caused by toxics, global environmental change, exotic species invasion, conservation of biodiversity, ecological restoration, impact assessment, application of remote sensing and geographical information system for analysis and management of natural resources, and approaches of ecological economics. The main issues have been discussed within the framework of sustainability, considering humans as part of ecosystems, and recognising that sustainable development requires integration of ecology with social sciences for policy formulation and implementation.
Author: Timothy J. Sullivan
Publisher: Cornell University Press
ISBN: 1501702165
Category : Nature
Languages : en
Pages : 346
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Book Description
Ecosystem effects from air pollution in the Adirondacks, Catskills, and elsewhere in New York have been substantial. Efforts to characterize and quantify these impacts, and to examine more recent recovery, have focused largely on surface waters, soils, and forests. Lakes, streams, and soils have acidified. Estuaries have become more eutrophic. Nutrient cycles have been disrupted. Mercury has bioaccumulated to toxic levels. Plant species composition has changed. Some surface waters show signs of partial chemical recovery in response to emissions control programs, but available data suggest that soil chemistry may continue to deteriorate under expected future emissions and deposition. Resource managers, policymakers, and scientists now need to know the extent to which current and projected future emissions reductions will lead to ecosystem recovery.In this book, Timothy J. Sullivan provides a comprehensive synthesis of past, current, and potential future conditions regarding atmospheric sulfur, nitrogen oxides, ammonium, and mercury deposition; surface water chemistry; soil chemistry; forests; and aquatic biota in New York, providing much needed information to help set emissions reduction goals, evaluate incremental improvements, conduct cost/benefit analyses, and prioritize research needs. He draws upon a wealth of research conducted over the past thirty years that has categorized, quantified, and advanced understanding of ecosystem processes related to atmospheric deposition of strong acids, nutrients, and mercury and associated ecosystem effects. An important component of this volume is the new interest in the management and mitigation of ecosystem damage from air pollution stress, which builds on the "critical loads" approach pioneered in Europe and now gaining interest in the United States.This book will inform scientists, resource managers, and policy analysts regarding the state of scientific knowledge on these complex topics and their policy relevance and will help to guide public policy assessment work in New York, the Northeast, and nationally.
Author: United States. Forest Service
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 574
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Book Description
