Gear and Seasonal Biases Associated with Sampling Crappie in Oklahoma
Fisheries Outstanding Technical Paper
Differences in catch statistics (catch rates, length structure, and age structure) by gear and season were evaluated for white crappie (Pomoxis annularis) sampled with trap nets, electrofishing, and gill nets. Catch per man-hour of effort by trap nets was significantly higher than those of other gears tested in spring and fall. Variation in catch per man-hour was less for trapnet samples than for electrofishing or gillnet samples. Within-season variation in length distribution for trapnet samples was consistently less than within-season variation for the other gears tested. Gill nets...
