ESTIMATING SLOTH BEAR ABUNDANCE FROM REPEATED PRESENCE-ABSENCE DATA IN NAGARAHOLE-BANDIPUR NATIONAL PARKS, INDIA By ARJUN MALLIPATNA GOPALASWAMY A THESIS PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE UNIVERSITY OF FLORIDA 2006