When zebra mussels dramatically increased water clarity in the early 1990s, many divers welcomed their invasion as a positive outcome. However, it is now crystal clear that negative impacts caused by these voracious filter feeders far outweigh the benefit of increased visibility at greater depths. Not knowing the rest of the story might tempt some to introduce zebra and quagga mussels into a pond, quarry or lake to improve clarity. Learn more in this week's NIE page.

 

 

Issue Publication Date: 
Tuesday, March 15, 2016

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