IDUKKI: For the visitors of Munnar, a walk through the plantations of Acacia Mearnsii, commonly known as Black Wattle, is a fascinating experience. But the trees, belong to the Alien Invasive Species ...
Australia's black wattle tree (Acacia mearnsii) has spread across South Africa, taking over millions of hectares of land and pushing indigenous plants aside. Economist Saul Ngarava researches ...
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