Factors affecting walleye and sauger recruitment in Lewis and Clark Lake, South Dakota, 2001–2022
William J. Radigan,
Phil Chvala,
Christopher Longhenry
et al.
Abstract:Abundance of adult walleye (Sander vitreus) and sauger (Sander canadensis), two important sport fishes, decreased significantly during 2001–2022 in Lewis and Clark Lake, a border water between Nebraska and South Dakota, despite walleye fingerling stocking and stable age‐0 abundance of both species. We sought to identify factors that drove variation in age‐0 abundance from 2001 to 2022 using an information theoretic approach. Age‐0 walleye catch per unit effort (CPUE) was correlated to mean monthly outflow, mea… Show more
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