Plant-Munching Weevil Helps Botswana Contain Weeds Threatening to Overwhelm the Okavango

SalviniaMmolesta

Three decades after the first reports of the arrival in Botswana of Salvinia molesta–a pestilential free-floating, mat-forming water fern native to Brazil–scientists …say they are at last prevailing in the struggle against the weed.

Read more: http://voices.nationalgeographic.com/2016/08/29/botswana-prevailing-in-struggle-against-weeds-threatening-okavango/

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