Response of a marine shallow-water sediment system to an increased load of inorganic nutrients
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15 صفحه اولEcotoxicological response of marine organisms to inorganic and organic sediment amendments in laboratory exposures.
Experimental materials currently being investigated for use as amendments for the in situ remediation of contaminated sediments were assessed for their potential impacts on marine benthos. Laboratory toxicity tests involving lethal and sublethal endpoints were conducted on sediments amended with apatite, organoclay, chitin, or acetate, with the polychaete Neanthes arenaceodentata, the amphipod ...
متن کاملSediment and water nutrients and microalgae in a coastal shallow lagoon, Ria Formosa (Portugal): implications for the Water Framework Directive.
Coastal shallow lagoons are considered to be highly important systems, which have specific biogeochemical cycles and characteristics. The assessment of sediment-water interfaces is essential to understand nutrient dynamics and to evaluate the vulnerability to eutrophication, especially in regions of restricted water exchange (RRE), such as the Ria Formosa, which have natural conditions for the ...
متن کاملMarine microbial community response to inorganic and organic sediment amendments in laboratory mesocosms.
Sediment amendments provide promising strategies of enhancing sequestration of heavy metals and degradation of organic contaminants. The impacts of sediment amendments for metal and organic remediation including apatite, organoclay (and apatite and organoclay in geotextile mats), acetate, and chitin on environmental microbial communities in overlying water and sediment profiles are reported her...
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ژورنال
عنوان ژورنال: Marine Ecology Progress Series
سال: 1991
ISSN: 0171-8630,1616-1599
DOI: 10.3354/meps071275