Evaluation of Catch-and-release Trout Fishing Regulations on the South Branch of the Au Sable River, Michigan
Michigan Department of Natural Resources, Fisheries Division, 1992 - Fish populations - 27 pages
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8-in minimum age for fall Age Section anglers Au Sable River brown trout abundance brown trout populations catch of brown catch per hour catch rates catch-and catch-and-release regulation catch-and-release section change significantly changes in condition changes were statistically Chase Bridge Chase-to Chase-to-Highbanks section Clark and Alexander Confidence bounds confidence intervals considered statistically significant control sections Table decreased significantly Department of Natural differences are indicated factors fall populations Fisheries Division grand means habitat Highbanks section Highbanks-to-Smith section indicate if abundance indicates a decrease indicates an increase Kellogg Bridge larger than 12 larger trout lengths at age level of significance mean catch Mean lengths Michigan Department minimum size limit Natural Resources No-kill Non-significant differences numbers of brown parentheses period population estimates rainbow trout Ranch-to-Kelloggs section recapture rates rows indicate Sable River significant if confidence Smith Bridge South Branch survival rates treated section trout fishery Trout Fishing Regulations trout per acre voluntary release