Mapping of Forest Encroachment in Shirpur and Sanghvi Forest Ranges of North Dhule Division from 1972-1986 Using Multitemporal Satellite Data

Forest encroachment map of Shirpur and Sanghvi ranges of North Dhule Division of
Maharashtra was prepared using multiternporal satellite data of 1972, 1976 and 1986. It was found that by 1986 about 60% of the forest area was encroached in both the divisions. Between 1972-1976 the rate of encroachment was more in Shirpur range. However, between 1976-1986 the same was more in Sangvi range. Accuracy of the map was verified on ground and it was 90% at 95% conlldence limits.