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too <br />80 <br />60 <br />40 <br />20 <br />1992 <br />"II" <br />CPM CH BH FM SD NNC CC CP GS WS ~ BB GA <br />1994 <br />too <br />so <br />ao <br />zo <br />--------------- ------------------- <br />--------------- ------------------- <br />CPM CH BH FM SD NNC CC CP GS WS BB GA <br />too <br />eo <br />so <br />ao <br />zo <br />1996 <br />------------------------------------- <br />------------------------------------- <br />CP CH BH FM~SD NNC CC CP GS WS~BB GA <br />1993 <br />tao <br />E <br />_____________ <br />60~_____________________________________ <br />t <br />i <br />N1 --------------- ------------------- <br />0 <br />CPM CH BH FM SD NNC CC CP GS WS BB~GA <br />1995 <br />,ao <br />eo <br />so <br />ao <br />zo <br />-~-------------------------------------I <br />CPM'CH BH~FM'SD'NNC CC'CP'GS'WS BB GA <br />CPM =Colorado pikeminnow, BB =black bullhead <br />CH = Gila sp. GA = mosquitofish (Gambusia) <br />BH = bluehead sucker <br />FM =flannelmouth sucker <br />SD =speckled dace ~ <br />NNC =non-native cyprinids (red shiner, sand shiner, fathead minnow <br />CC =channel catfish <br />CP =common carp <br />GS = green sunfish <br />WS = white sucker <br />Figure 2. Species composition and relative abundance of larval drift collections at Westwater, <br />Colorado River, 1992- 1996. <br />27 <br />