Relationships of White Crappie Populations to Largemouth Bass and Bluegill

During summer, 1976, fish population data were collected by gillnetting, electrofishing, and seining from 30 flood prevention lakes that maintained coexisting populations of white crappie (Pomoxis annularis), largemouth bass (Micropterus salmoides), and bluegill (Lepomis macrochirus). Abundance and size composition characteristics for white crappie were compared by simple correlation techniques to abundance and size composition characteristics for largemouth bass and bluegill Total numbers of white crappie were not significantly correlated to total numbers of largemouth bass or bluegill Numerous relationships existed between white crappie and largemouth bass/bluegill size structure variables. Flood prevention lakes that maintained balanced largemouth bass/bluegill populations, also maintained populations of white crappie having diverse size distributions. Largemouth bass/bluegill lakes dominated by intermediate-size bluegill (100 - 159 mm TL) supported large numbers and high proportions of stunted white crappie (100 - 199 mm TL) and low proportions of large white crappie (≥200 mm TL). White crappie populations with diverse size distributions might best be achieved in flood prevention lakes by proper management of largemouth bass/bluegill populations.

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