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Eutrophication: A Silent Killer of Lakes
Eutrophication is the nutrient enrichment of waters that stimulates an array of symptomatic changes that can include increased phytoplankton and rooted aquatic plant (macrophyte) production, fisheries and water quality deterioration, and other undesirable changes that interfere with water uses. For a layman eutrophication is simply a nutrient enrichment or fertility of lake. The impacts of eutrophication are more severe than recognized. Vonlanthen and his co-workers (Nature, 2012) provided an evidence that eutrophication can lead to extinction or ‘speciation reversal’ and ‘demographic reversal’ in Whitefish across European Lakes.

Eutrophication is most often the result of an elevated supply of nutrients, particularly nitrogen and phosphorus, to surface waters that results in enhanced production of primary producers, particularly phytoplankton and aquatic plants.



 
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Feds Trying to Keep Out Zebra & Quagga Mussels - The Okanagan Basin Water Board has long been warning that zebra and quagga mussels could have a significant negative impact on the environment, infrastructure and the local economy if they are introduced. Now the federal government is looking at imposing new regulations to try and keep them out.


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