00683 a2200229 4500 577.6 CON 20559 31877 Klussmann, Wallace Control of aquatic macrophytes by grass carp in lake conroe, texas, and the effects on the reservoir ecosystem Texas Texas A & M university 61p. 28cm Ecology Aquatic ecology Fresh water ecology Campbell, John M. Noble, Richard L. Martyn, Raymond D. Clark, William J. Betsill, Robert K. bettoli, Phillip W. Cichra, Mary F. L 48165 48165 0 0 0 0 LEN MKDL MKDL LEN 2009-07-24 0 577.6CON 52465 2009-07-24 00:00:00 0.00 2016-10-31 L