Size Structure of a Lake Trout ( Salvelinus namaycush ) Population an Arctic Lake: Influence of Angling and Implications for Fish Community Structure

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Authors: McDonald, Michael E., Hershey, Anne E.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1989
• Subjects: Aquatic Science; Ecology, Evolution, Behavior and Systematics; Arctic; Arctic Lake; Thymallus arcticus; Alaska
• Online Access: http://dx.doi.org/10.1139/f89-266; http://www.nrcresearchpress.com/doi/pdf/10.1139/f89-266

The lake trout (Salvelinus namaycush) population in Toolik Lake in arctic Alaska was assessed by gill net during 1977, prior to exploitation. In 1986 we replicated the gill net study to determine the effects of recent angling pressure on the fish community. Relative composition of the catch varied b...