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Author:
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Category :
Languages : en
Pages : 514
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 514
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Book Description
Author: Environmental Research Laboratory (Narragansett, R.I.)
Publisher:
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Category : Ammonia
Languages : en
Pages : 96
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Book Description
Author:
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Category : Water quality
Languages : en
Pages : 60
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Book Description
Author: L. T. Brooke
Publisher:
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Category : Aquatic organisms
Languages : en
Pages : 86
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Book Description
Author: Martha G. Prothro
Publisher:
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Category : Water resources development
Languages : en
Pages : 58
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Book Description
This memorandum transmits Office of Water policy and guidance on the interpretation and implementation of aquatic life criteria for the management of metals. This issue covers a number of areas including the expression of aquatic life criteria, total maximum daily loads, permits, effluent monitoring and compliance, and ambient monitoring.
Author:
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Category : Ecology
Languages : en
Pages : 218
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Book Description
Author: United States. Environmental Protection Agency. Office of Water
Publisher:
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Category : Toxicology
Languages : en
Pages : 344
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Book Description
Author: Nelson L. Nemerow
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Category : Onondaga Lake (N.Y.)
Languages : en
Pages : 0
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Book Description
Author:
Publisher:
ISBN:
Category : Aquatic organisms
Languages : en
Pages : 228
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069483
Category : Science
Languages : en
Pages : 422
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Book Description
Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
