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Common Carp Damage Minnesota Waters
Researchers analyzed data from over 2,000 Minnesota lakes, covering three major ecoregions of Great Plains, Eastern Temperate Forests, and Northern Forests. They also conducted whole lake experiments in six lakes in which they established what the current carp populations were, surveyed plant cover and identified species richness both before and after removing carp.

Researchers found that when common carp were prolific, plant cover was reduced to less than 10 percent and species biodiversity was halved. By analyzing the impacts of other human-caused stressors, the researchers revealed that carp had a greater impact on aquatic plant biodiversity than human watershed development did (urban and agriculture).

The study also showed that removing common carp increased plant cover, species richness and water clarity.



 
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Identifying the Source of Marine Debris - Islanders have demonstrated their commitment to cleaning up the marine environment by volunteering enthusiastically for the Kangaroo Island Beach Rubbish Survey. Coordinated by Natural Resources KI, with sponsorship from The Islander, the event aims to both clean-up our beaches, and identify the source of the rubbish collected.


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