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Wednesday, 13 February 2008 |
Ecological quality reflects the effects of all chemical and physical pressures on the
biological system. The introduction of non-indigenous species has affected the ecological quality of Europe’s water ecosystems. These invasions represent a growing problem due to the unexpected and harmful impacts they cause to the environment, the economy and human health. The introduction of non-indigenous species is ranked as th |
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Last Updated ( Thursday, 03 July 2008 )
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Freshwater Quality 
