Gates of the Arctic National Park and Preserve lake study
Johnson R, Adams J, Glesne R, Walker T, Wilbor S. 1988. Gates of the Arctic National Park and Preserve lake study. Fairbanks Fishery Resources Progress Report FY 88-1. US Fish and Wildlife Service. Fairbanks, AK
During the summer of 1987, sampling was conducted at Walker Lake and the Chandler Lakes system within the Gates of the Arctic National Park and Preserve. The purpose was to document basic descriptions of exploited Arctic char (Salvelinus alpinus) and lake trout (S. namayusch) populations. Data were collected on age, growth, weight-length relationships, relative abundance, food habits, and physical and chemical properties of the lake. A cree census was used to document harvest and a Schnabel multiple census was used to estimate population sizes. Mean lengths were related inversely to relative abundance between Walker Lake and the Chandler Lake system. Arctic char averaged 8 cm more in length in Walker Lake and lake trout averaged 9 am more, and catch rates were 2.5 and 5.0 time greated for lake trout and Arctic char in the Chandler Lake system. Most tagged fish migrated less than 1 km. Ninety-five percent confidence intervals (P) of the Schnabel multiple census population estimates (N) for Arctic char and lake trout in Walker Lake, Chandler Lake, Amiloyak Lake, and the Chandler Lakes system.
- Type
- Published Report
- Authors
- Johnson, Rich; Adams, Jeff; Glesne, Reed; Walker, Tim; Wilbor, Scott
- Date of Issue
- 1988-10-30
- Publisher
- US Fish and Wildlife Service
- Units
- GAAR
- Keywords
- Animal Studies, Arctic Char, arctic lakes, Creel Census, Gates of the Arctic National Park and Preserve AK, Inventory and Monitoring (I&M), Lake Trout, Limnology, Management, Natural Resource, Population Estimate