Nitrogen in the Mississippi Basin PDF Download
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Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 6
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Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 6
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Book Description
Author:
Publisher:
ISBN:
Category : Marine eutrophication
Languages : en
Pages : 152
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Book Description
Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Nitrates
Languages : en
Pages : 4
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Author:
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages :
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Book Description
Nitrogen transported through the Mississippi River basin is the principal nutrient responsible for hypoxia in the Gulf of Mexico. Agriculture is the major contributor to the river's nitrogen load. The temporal and geographic distribution of excess nitrogen available to streams from agriculture was calculated using dominant sources and losses of nitrogen in hydrologic regions and subregions.
Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 76
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309141788
Category : Nature
Languages : en
Pages : 91
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Book Description
A large area of coastal waters in the northern Gulf of Mexico experiences seasonal conditions of low levels of dissolved oxygen, a condition known as hypoxia. Excess discharge of nutrients into the Gulf of Mexico from the Mississippi and Atchafalaya rivers causes nutrient overenrichment in the gulf's coastal waters and stimulates the growth of large algae blooms. When these algae die, the process of decomposition depletes dissolved oxygen from the water column and creates hypoxic conditions. In considering how to implement provisions of the Clean Water Act to strengthen nutrient reduction objectives across the Mississippi River basin, the U.S. Environmental Protection Agency (EPA) requested advice from the National Research Council. This book represents the results of the committee's investigations and deliberations, and recommends that the EPA and U.S. Department of Agriculture should jointly establish a Nutrient Control Implementation Initiative to learn more about the effectiveness of actions meant to improve water quality throughout the Mississippi River basin and into the northern Gulf of Mexico. Other recommendations include how to move forward on the larger process of allocating nutrient loading caps-which entails delegating responsibilities for reducing nutrient pollutants such as nitrogen and phosphorus-across the basin.
Author:
Publisher:
ISBN:
Category : Coastal ecology
Languages : en
Pages : 152
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309177812
Category : Nature
Languages : en
Pages : 252
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Book Description
The Mississippi River is, in many ways, the nation's best known and most important river system. Mississippi River water quality is of paramount importance for sustaining the many uses of the river including drinking water, recreational and commercial activities, and support for the river's ecosystems and the environmental goods and services they provide. The Clean Water Act, passed by Congress in 1972, is the cornerstone of surface water quality protection in the United States, employing regulatory and nonregulatory measures designed to reduce direct pollutant discharges into waterways. The Clean Water Act has reduced much pollution in the Mississippi River from "point sources" such as industries and water treatment plants, but problems stemming from urban runoff, agriculture, and other "non-point sources" have proven more difficult to address. This book concludes that too little coordination among the 10 states along the river has left the Mississippi River an "orphan" from a water quality monitoring and assessment perspective. Stronger leadership from the U.S. Environmental Protection Agency (EPA) is needed to address these problems. Specifically, the EPA should establish a water quality data-sharing system for the length of the river, and work with the states to establish and achieve water quality standards. The Mississippi River corridor states also should be more proactive and cooperative in their water quality programs. For this effort, the EPA and the Mississippi River states should draw upon the lengthy experience of federal-interstate cooperation in managing water quality in the Chesapeake Bay.
Author: Richard Henry Coupe
Publisher:
ISBN:
Category : Nutrient pollution of water
Languages : en
Pages : 28
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Book Description
Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 4
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Book Description
