Abstract
A randomized block experiment was carreid out in Pabitora Wildlife Sanctuary to study the ecology and the growth of Imperacta cylindrica in both managed and non-managed areas. I. cylindrica increased in abudance in disturbed/ managed plots and declined in abundance in unmanaged plots. I. cylindrica is a shade- intolerant grass species and therefore a build up of litter and increased shading on th eunmanaged plots may result in a decline in its abudance and an incease in the abundanc of shade-toleratn grasses. After cutting, burning or grazing, I. cylindrica is the first species to resprout and grow dominatly over other species.