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Sediment-water interactions in anoxic freshwater sediments: mobility of heavy metals and nutrients [Libro electrónico] / autores: Yigang Song, German Müller

Por: Song, Yigang [autor/a].
Müller, German [autor/a].
Tipo de material: Libro en línea Libro en línea Series Editor: New York, New York, United States: Springer, c1999Descripción: vi, 111 páginas : ilustraciones ; 24 centímetros.ISBN: 3540650229; 9783540650225 (Print); 9783540497257 (Online).Tema(s): Heavy metals -- Environmental aspects | Contaminated sediments -- Analysis | DiagenesisNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Nota de bibliografía: Incluye bibliografía: páginas 103-111 Número de sistema: 55814Contenidos:Mostrar Resumen:
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Aquatic sediments are important sinks of inorganic and organic pollutants as well as of nutrients in highly industrialized and densely populated areas. As many aquatic organisms live in or on the sediments, polluted sediments provide a pathway for the chemicals to food-chain organisms, and finally to man. Sediment-water interactions play a fundamental role in biogeochemical cycling of the elements. One of the most important reactions is the mineralization of organic matter during early diagenesis, which not only leads to anoxic conditions connected with a recycling of nitrate, phosphate, and ammonia but changes the chemical bonding of heavy metals into more soluble species. Our study carried out on freshwater sediments enabled us to show whether heavy metals and nutrients are released into the overlying water under changes in physicochemical conditions. The information is important to water management and sediment dredging activities in harbour areas.

Recurso en línea: http://link.springer.com/openurl?genre=book&isbn=978-3-540-65022-5
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Incluye bibliografía: páginas 103-111

1. Abstract.. 2. Introduction.. 3. Methods and materials.. 4. Results and discussion.. 5. Conclusions.. Bibliography

Disponible para usuarios de ECOSUR con su clave de acceso

Aquatic sediments are important sinks of inorganic and organic pollutants as well as of nutrients in highly industrialized and densely populated areas. As many aquatic organisms live in or on the sediments, polluted sediments provide a pathway for the chemicals to food-chain organisms, and finally to man. Sediment-water interactions play a fundamental role in biogeochemical cycling of the elements. One of the most important reactions is the mineralization of organic matter during early diagenesis, which not only leads to anoxic conditions connected with a recycling of nitrate, phosphate, and ammonia but changes the chemical bonding of heavy metals into more soluble species. Our study carried out on freshwater sediments enabled us to show whether heavy metals and nutrients are released into the overlying water under changes in physicochemical conditions. The information is important to water management and sediment dredging activities in harbour areas. eng

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