Abstract
Abstract White crappies Pomoxis annularis were collected from 13 Kansas reservoirs with trap nets and horizontal gill nets. Ten of the reservoirs were sampled concurrently for two or more years. Our objective was to determine if catch per unit effort (CPUE)—the number of stock-length (≥13-cm) white crappies captured per trap-net-night or per gill-net-complement-night—and size structure—indexed by measures of stock density—differed between trap nets and gill nets. We found no significant relation between trap-net and gill-net log10(CPUE). Conversely, size structure of white crappies was similar between gears. Proportional stock density (PSD) and relative stock density of preferred-length fish were positively correlated between gears. Relative stock densities by length category were also significantly correlated between gears. These data indicate that the two gears likely would give similar information about changes in white crappie population size structure, but disparate information about the species' rel...
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have