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Eutrophication

Eutrophication remains a major problem for Europe’s seas

The EEA assessment ‘Nutrient enrichment and eutrophication in Europe’s seas’ explores whether Europe has been able to reverse eutrophication trends in its regional seas. The assessment is based on publicly available monitoring data, primarily collected in the context of the Water Framework Directive, the Marine Strategy Framework Directive and Regional Sea Conventions. The EEA report shows that 2...
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Animal Waste turns Chinese lake green – Eutrophication

Animal husbandry is contaminating China’s water and has been linked to turning lakes bright green, a phenomenon known as eutrophication. The farm, located at the end of a narrow dirt path, announces its presence with a piercing stench. At first, the caretaker of the collective facility in Kunming says the farm recycles all the animal waste into manure fertiliser. But later, he sheepishly poi...
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48% of European Rivers are exposed to Hydromorphological pressures.

48% of European Rivers are exposed to Hydromorphological pressures - Source: EC Environment. Hydromorphology considers the physical character and water content of water bodies. Good hydromorphological conditions support aquatic ecosystems (i.e. hydromorphological elements such as water flow and substrate provide physical habitat for biota such as fish, invertebrates and aquatic macrophytes). W...
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Contribution of Algae to our healthiest waterways

When people think about algae in rivers, pollution and eutrophication normally spring to mind.  Initiatives such as the EU’s Water Framework Directive can help us better understand the contribution of algae to our healthiest waterways. Algae are an important part of stream ecosystems, but we often only notice them when the natural balance is upset and they can proliferate. Take a tentative step i...
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Diffuse Pollution explained

Diffuse Pollution
Diffuse source water pollution is less commonly recognised than point source water pollution because it arises in a catchment from many different sources that do not have an obvious discharge point. Diffuse pollution is caused when pollutants from a range of dispersed urban and rural land use activities contaminate our waterways and groundwater as a result of rainfall, soil infiltration and su...
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Eutrophication

Eutrophication is excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life (generally phosphorus in the case of inland waters and nitrogen in the case of marine waters), and remains the most significant environmental issue for surface waters.  In the case of rivers, for example, the two most important sus...
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