1. Research Assistant, Dept. of Natural Resources Management & Engineering, Univ. of Connecticut, U-4087, 1376 Storrs Rd., Storrs, CT 06269-4087 (corresponding author).
2. Professor, Dept. of Natural Resources Management & Engineering, Univ. of Connecticut, U-4087, 1376 Storrs Rd., Storrs, CT 06269-4087.
3. Research Associate, Dept. of Natural Resources Management & Engineering, Univ. of Connecticut, U-4087, 1376 Storrs Rd., Storrs, CT 06269-4087.