Catch and effort variation in the commercial gillnet fishery of Lake Winnipeg, Canada, in relation to environmental factors

► Generalized Linear Models revealed environmental relationships in the fishery. ► Walleye catch rates declined with time through the early fishery. ► Sauger catch rates were linked to varying light intensities. ► Fishing activity declined with time in the early fishery. ► Fishing activity decreased with increased wind action in the late fishery.