GUWAHATI, April 10: The spread of grassland in Kaziranga National Park (KNP) is under threat from an invading weed called Mimosa which has bloomed over 120 hectares areas inside the national park at the cost of the green grass, life to hundreds of herbivorous park inmates. The Assistant Conservator of Forest in the National Park, Utpol Bora today informed that the concentration of the unwanted wild herb is more in Kaziranga and Bagori ranges of the Park, than in other parts. However, it is threatening to cover all parts of the Park in near future. When Mimosa grows on a particular area, it...