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<br />Closed Population and Stock Assessment Model Estimates of Abundance for the Little <br />Colorado River Population of Humpback Chub. <br /> <br />2000 <br /> <br /> <br />o Closed Population Estimates AU Sizes I <br />___Annual ASMR Age 4+ <br /> <br />20000 <br /> <br />18000 <br /> <br />16000 <br /> <br />14000 <br /> <br />. 12000 <br />" <br />o <br />~ <br />-g 10000 <br />~ <br />.0 <br />..: 8000 <br /> <br />6000 <br /> <br />4000 <br /> <br />~~ <br /> <br />.0 <br /> <br />0_.:00. <br /> <br />o <br /> <br />i ~ 1 i i i ! 1 t i i t 1 i i t 1 i ~ i i ~ ~ ~ <br />~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ <br /> <br />Figure 5 Closed and open population model estimates of the abundance of the LCR humpback <br />chub population. The sources and "quality" of closed population estimates plotted in Figure 5 <br />are described in Table 1. This table is followed by Figures 8-13, which depict the population <br />trend using all or selected combinations of these point estimate data <br /> <br />15; <br /> <br />tp~ /0P' <br /> <br />-- / S /77 c/o? s./ern <br /> <br />)tL1/el1,/I~. a..f ~IC <br /> <br />L/ {;<<- elf eJV1 r; /,( <br />';;.5~ .5'1",~<j /, "'-"-- '~, L C k} ~ <br />/7'?c>,?/ /C'7- /',<--v~.--1' 7(< J{'J-Ir.b.:.....{...,C::- <br /> <br />rea /'//;{ "'---if <br />(#<=...?.tI /.~ <br />-l, Ie-// 1'0 <br /> <br />r-e<~''-:; (, /"0 j <br /> <br />.... <br /> <br />':;;0<90 <br /> <br />.fP <br /> <br />14 c ~/ <'n i tc((~ <br />w,-..-u W p iL ,-~..J: bJ- ~ I-L- U-<>.A-.- <br /> <br />, r'/Jc.............'U..... <br />",J,..." ~J... v' l' ....:.. <br />. <br /> <br />CVrkt ,-. ~i <br /> <br />Draft - April 21, 2003 <br /> <br />II <br />