Fishery assessments of Beaver Lake and Grand Sable Lake, Pictured Rocks National Lakeshore
Newman L and Kenner B. 1998. Fishery assessments of Beaver Lake and Grand Sable Lake, Pictured Rocks National Lakeshore
The U.S. Fish and Wildlife Service assessed the fisheries of Beaver Lake, Little Beaver Lake, and Grand Sable Lake at Pictured Rocks National Lakeshore, MI in 1997 using electroshocking methods, trap nets, and gill nets. Fish communities of each lake were described by species and their abundance. Length at age and growth rates of sport fish are presented in graphs. Adult walleye populations of Beaver Lake were estimated using a mark/recapture technique, and walleye reproduction was estimated over a 3 year period. It was noted that walleye spawning locations are very limited. Lake trout and splake populations were estimated in Grand Sable Lake, and stomach contents of 16 sport fish were analyzed. Evidence (pyloric caeca counts) of reproducing splake was noted. The report also includes lake descriptions and history. The potential for self-sustaining populations of walleye and lake trout (both species stocked by MDNR) in these two lakes is addressed.
- Type
- Unpublished Report
- Authors
- Newman, Lee; Kenner, Brian
- Date of Issue
- 1998-05
- Units
- PIRO
- Keywords
- Beaver Lake, black bullhead (Ictaluras melas), blacknose shiner (Notropis heterolepis), bluntnose minnow (Pimephales notatus), Brook Trout (Salvelinus Fontinalis), burbot (Lota lota), coho salmon (Onchorhynchus kisutch), common shiner (Notropis cornutus), Fish, Grand Sable Lake, Habitats, Lake Trout (Salvelinus namaycush), Limnology, Little Beaver Lake, logperch (Percina caprodes), mottled sculpin (Cottus bairdi), Northern Pike (Esox lucius), Recruitment, Rock Bass (Ambloplites rupestris), Sea Lamprey (Petromyzon marinus), Smallmouth Bass (Micropterus dolomieu), smelt (Osmerus mordax), splake (Salvelinus namaycush X S. fontinalis), spottail shiner (Notropis hudsonius), Walleye (Stizostedion vitreum), white sucker (Catostomus commersoni), Yellow Perch (Perca flavescens)