New Delhi, April 3 -- The Forest Research Institute (FRI) in Dehradun, as part of its 10-year Delhi forests working plan, has suggested a multipronged approach that entails the creation of "hanging" forests and underpasses for wildlife, linking water bodies to these paths, and undertaking the plantation of fruit-bearing species for sustaining wildlife. The working plan, accessed by HT, cites heavy fragmentation, lack of space and inadequate variety of food as key challenges facing Delhi forests. "There is not much threat to the wildlife from organized poaching and hunting. However, habitat fragmentation and small size of forest patches result in lack of space which cause paucity of fodder as well as impede free movement of wildlife. Sometim...