Affiliation: | (1) Terra Nova National Park, General Delivery, Glovertown, NL, Canada, A0G 2L0;(2) Atlantic Service Centre, Parks Canada, 1869 Upper Water St., Halifax, NS, Canada, B3J 1S9;(3) Department of Biology, Memorial University, P.O. Box 4200, St. John’s, NL, Canada, A1B 3X9 |