Reservoirs promote spread of aquatic invasive species

The latest "damming" evidence suggests that manmade reservoirs are facilitating the spread of invasive species in Wisconsin lakes.

In a comparison of natural lakes and impoundments — reservoirs created by damming rivers — the impoundments were up to 300 times more likely than lakes to harbor invasive aquatic species, according to a study published last month in the journal Frontiers in Ecology and the Environment.

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