Titlebook: Oceans, Rivers and Lakes: Energy and Substance Transfers at Interfaces; Proceedings of the T J.-C. Amiard,B. Rouzic,G. Bertru Conference pr

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Mechanisms for internal loading of phosphorus in lakesup into the water when looking at the particulate matter.A number of environmental factors are important in the mobilisation processes. Most studies indicate that sediment bacteria have a significant role in uptake, storage and release of phosphorus including anaerobic release of iron-bound phosphor

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Benthic influence on the metabolism of a shallow tropical lagoon (Lagoa da Barra, Brazil)e pelagic and benthic organic carbon cycles regulated carbon metabolism of the total community. A severe temporary nitrogen limitation, a fish kill and a temporary shift in primary producers did not substantially change metabolic rates because appropriate shifts occurred from the pelagic carbon cycl

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Afforestation with , and leaf litter decomposition in streams of northern Spains favoured by shredders. Under high nutrient levels (particularly phosphorus), however, it was readily colonized by fungi, thus shifting from medium to high breakdown rates. The potentially negative impact of afforestation with eucalyptus on streams can thus be reduced in situations of high concentr

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