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Internal Ecosystem Feedbacks Enhance Nitrogen-fixing Cyanobacteria Blooms and Complicate Management in the Baltic Sea
Abstract Eutrophication of the Baltic Sea has potentially increased the frequency and magnitude of cyanobacteria blooms. Eutrophication leads to increased sedimentation of organic material,Expand
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Hypoxia-related processes in the Baltic Sea.
Hypoxia, a growing worldwide problem, has been intermittently present in the modern Baltic Sea since its formation ca. 8000 cal. yr BP. However, both the spatial extent and intensity of hypoxia haveExpand
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Trends of phosphorus, nitrogen and chlorophyll a concentrations in Finnish rivers and lakes in 1975-2000.
During recent decades the amounts of nutrients discharged to Finnish surface waters have markedly decreased. This has been achieved by considerable investments in water protection, which were madeExpand
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Internal Nutrient Fluxes Counteract Decreases in External Load: The Case of the Estuarial Eastern Gulf of Finland, Baltic Sea
Abstract Despite a decrease of about 30% in the external nutrient inputs, no corresponding improvement has been observed in the state of the open Gulf of Finland. At the end of the 1990s the externalExpand
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Nitrogen and phosphorus as production limiting factors in the estuarine waters of the eastern Gulf of Finland
The fate and effects of high nutnent loadlng from the River Neva St Petersburg (NW Russia) region was studied in the Neva Estuary and adjacent waters of the eastern Gulf of Finland (Baltic Sea) underExpand
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Internal nutrient fluxes counteract decreases in external load: the case of the estuarial eastern Gulf of Finland, Baltic Sea.
Abstract Despite a decrease of about 30% in the external nutrient inputs, no corresponding improvement has been observed in the state of the open Gulf of Finland. At the end of the 1990s the externalExpand
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The transport and retention of dissolved silicate by rivers in Sweden and Finland
Here we report on the role of natural (lakes) and artificial barriers (dams) in regulating dissolved silicate (DSi) concentrations in rivers from Sweden and Finland. Concentrations of DSi and totalExpand
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Late summer trophic conditions in the north-east Gulf of Finland and the River Neva Estuary, Baltic Sea.
Abstract Trophic conditions and hydrography of the whole north-east Gulf of Finland in both the Finnish and the Russian waters, including the Neva Estuary, were for the first time extensivelyExpand
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