R. L. Noble

The ability of shad populations to impact the density and composition of zooplankton populations has led to the suggestion that planktivorous shad may compete with young-of-year bass for plankton food resources and influence bass recruitment. We studied the feeding dynamics of concurrent year classes of threadfin shad (Dorosoma petenense) , gizzard shad (D. cepedianum) , and largemouth bass (Micropterus salmoides) in a North Carolina reservoir to determine the nature of feeding interactions among the species. Shad planktivory was found to be confined to a brief period early in the growing...

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...

During summer, 1976, limnological and fish population data were obtained from 56 flood prevention lakes of the Trinity River watershed. Fish samples obtained by gillnetting, electrofishing, and seining indicated that the principal fishes were largemouth bass Micropterus salmoides), bluegill (Lepomis macrochirus), black bullheads (Ictalurus melas), white crappie (Pomoxis annularis), green sunfish (Lepomis cyanellus), channel catfish (lctalarus punctatus), golden shiner (Notemigonus crysoleucas), and redear sunfish (Lepomis microlophus). Analysis of fish data was performed by simple and...

Texas stocks of northern and Florida largemouth bass (Micropterus salmoides salmoides and M. s. floridanus) were compared for resistance to cold shock. The 45 advanced fmgerlings of each subspecies had nearly identical rearing histories and were acclimated to a common temperature near 21 C. Laboratory tests were conducted at constant temperatures ranging from 5.3 to 13.5 C. Over all tests, more than twice as many Florida bass as northern bass died during the 7 days ofobservation. Weestimated that the 96-h median tolerance limit was about 6 C for northern bass and about 8.5 C for the...