1. Department of Natural Resources; Center for Forest Science and Innovation; P.O. Box 2222 Gander NL A1V 2T6 Canada
2. AMEC; 133 Crosby Road St. John's NL A1B 4A5 Canada
3. Department of Ocean Sciences; Ocean Sciences Centre; Memorial University of Newfoundland; St. John's NL A1C 5S7 Canada
4. Department of Biology; Dalhousie University; 1355 Oxford Street Halifax NS B3H 4R2 Canada
5. Centre for Ecological and Evolutionary Synthesis; Department of Biosciences; University of Oslo; P.O. Box 1066 Blindern NO-0316 Oslo Norway