00607    a2200193   4500082001500000100002300015245011500038260003400153300001500187650001200202650004100214700002200255700002300277700002300300700002200323700002400345700002400369700002000393  a577.6bCON  aKlussmann, Wallace  aControl of aquatic macrophytes by grass carp in lake conroe, texas, and the effects on the reservoir ecosystem  aTexasbTexas A & M university  a61p.c28cm  aEcology  aAquatic ecology  Fresh water ecology  aCampbell, John M.  aNoble, Richard L.   aMartyn, Raymond D.  aClark, William J.  aBetsill, Robert K.   abettoli, Phillip W.  aCichra, Mary F.