Titlebook: Environmental Effects of Marine Finfish Aquaculture; Barry T. Hargrave Book 2005 Springer-Verlag Berlin Heidelberg 2005 Aquaculture.Ecotox

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https://doi.org/10.1007/978-3-663-12270-8nsive environmental quality program is advocated. A?central problem in environmental management is the lack of proven indicators of environmental quality. As the condition of the biota reflects the environmental conditions under which they live, it is considered possible to measure environmental qua

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indifferent

Ecosystem Indicators of Water Quality Part I. Plankton Biomass, Primary Production and Nutrient Demeveral lines of evidence point to the conclusion that primary production in SWNB is under light rather than nutrient control and that phytoplankton there have limited capacity to process additional nutrients produced as aquaculture in the region expands. The ratio of bacterial abundance to phytoplan

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Ecosystem Indicators of Water Quality Part II. Oxygen Production and Oxygen Demand, may be better indicators of the seasonal regulation of oxygen dynamics by the ecosystem. Low DO is the cumulative effect of sustained oxygen demand; a?seasonal change in P/R from greater to less than 1 is an early warning of this demand. The application of both indices (P/R and DO) in tandem can be

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,Organic Enrichment at Cold Water Aquaculture Sites—the Case of Coastal Newfoundland,LOI)]. In addition, they are seasonally (<0°C) or always cold (?1.8to <5°C). Much of the coast is exposed to high-energy conditions often with an effectivefetch exceeding 700?km. Inner basins of some bays and fjords are protected from the waves associatedwith such exposure and may naturally experien

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,Reconciling Aquaculture’s Influence on the Water Column and Benthos of an Estuarine Fjord – a Case /dilution and biodegradation) in this estuarine fjord; increased surface transportof nutrients; the benefit of fallowing; and, diminished relative loadings to the water column andbenthos in winter conditions for an industry in its early stages of development. Further refinementof assimilative capaci

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Organic Enrichment from Marine Finfish Aquaculture and Effects on Sediment Biogeochemical Processes plants and fauna due to progressive oxygen depletion. In warm temperate waters, such as the Mediterranean and tropical latitudes, many farms are located in more advective areas with coarse-grained carbonate-rich sediments. Effects of organic enrichment in these areas are less well described, but st