INCORPORATING OCCUPANCY MODELS IN ESTIMATING PROBABILITY OF HABITAT USE OF SNOW LEOPARD Panthera uncia (SCHREBER, 1775) IN HUMLA A Dissertation Submitted to CENTRAL DEPARTMENT OF ENVIRONMENTAL SCIENCE Institute of Science and Technology Tribhuvan University Kirtipur, Kathmandu Nepal In Partial Fulfillment of the Requirements for the Award of Degree of M.Sc. in Environmental Science By Kaushal Yadav T.U. Registration No.: 5-2-22-1484-2007 Exam Roll No.: 18089 January 2016