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Thursday, 14 February 2008 |
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All living things need water. In the Chesapeake Bay region, waterways support more than 3,000 species of plants and animals. Healthy water contains a balanced amount of nutrients and normal fluctuations in salinity and temperature. It also has plenty of oxygen and little sediment so that underwater living resources can breathe or receive enough sunlight to grow. Monitoring the changes to the Bay's waterways is important, and the data that is collected can help scientists make determinations about water quality. |
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Last Updated ( Tuesday, 17 February 2009 )
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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 ( Tuesday, 17 February 2009 )
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Freshwater Quality 
