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<br />26 Abundance Trends and the Status of the little Colorado River Population of Humpback Chub 1989-2006 <br /> <br />,..... <br /> <br /> <br />co <br /> <br />CD <br /> <br />0" Ln <br />0 <br />q <br />~ <br />3 <br />OJ <br />t.:> <::l" <br />c: <br />co <br />"0 <br />c: <br />:::l <br />..0 <br /><( M <br /> <br />N <br /> <br />0 <br />N M <::l" l.l') CD ,..... CXl en 0 C; N M """ LJ.""J CD <br />en en en en en C') en en 0 0 0 0 0 0 <br />en en en en en en en en 0 0 0 0 0 0 0 <br />~ ~ ~ ~ ~ ..- ~ N N N N N N N <br /> Year <br /> <br />Figure 4. Mark-recapture closed population model estimates of humpback chub abundance greaterthan or equal to 150-mm total <br />length in the Little Colorado River. Error bars represent 95% confidence intervals. <br />