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Last modified
7/14/2009 5:02:35 PM
Creation date
5/22/2009 4:53:39 PM
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UCREFRP
UCREFRP Catalog Number
9378
Author
Nesler, T. P.
Title
Recovery of the Colorado River Endangered Fishes
USFW Year
2000.
USFW - Doc Type
Biological recovery goals and criteria for Colorado pikeminnow, Humpback chub, Razorback sucker & Bonytail.
Copyright Material
NO
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<br />--~-~-~-~-~--~-~~~- <br /> <br />Required <br />Populations <br />distribution <br /> <br />Lake Moiave <br />L. Colo. R. Basin <br /> <br />ili~Rl~g.:Ra2:6ibaCk$UCkebt~99Y~rY9Q~!~~ngqri~~ti~;.................. <br />...........:..........................:..........................?..::........... .............R~I~.~~iQ~...r~gy~t~m~iJ~~..~Q~..B9Byl~.~i9Q..B~t~m~~~r~..r~qH'r~~... <br /> <br />Abundance <br /> <br />Abundance trend <br /> <br />. ~5,400 adult fish <br /> <br />........................ ..... <br />.,...".",...."".-. <br />............................. . <br />..,.."...............",.. <br />.............................. <br /> <br />...,.,.,.......,..,.,........,............. <br />............................ <br />,.........."......." <br /><.:.:<.:....-,....,.,...,...,.,.,.,.......... <br />.......,..................... <br />. ",........",.. <br />.. .............. <br /> <br />..."........",....",..-." ..- ,."........,...... <br />~,.................................................. . <br />. ...."...................... "..- -,...." <br />...'......................................... . <br />. ...."............"...".... -.. <br />.................................. .. <br />.......", ........""........ <br />..,........................ <br />........................ <br />........,...,....,.-.,........ <br /> <br />Annual natural recruitment <br /> <br />. Minimum abundance maintained for . No requirement <br />~12 years <br /> <br />Middle Green River . ~5,400 adult fish <br /> <br />Two other . ~5,400 adult fish <br />populations in: <br />Lower Green River, <br />Colorado-Gunnison <br />rivers, <br />or <br />San Juan River <br /> <br />. Regression slope of 7 estimates <br />spanning last 12 years ~O at <br />p~O.1 0 <br /> <br />And <br /> <br />. Regression slope not a progressive <br />decline over 7 estimates spanning <br />12 years <br /> <br />. Regression slope of 7 estimates <br />spanning last 12 years ~O at p~O.1 0 <br /> <br />And <br /> <br />. Regression slope not a progressive <br />decline over 7 estimates spanning <br />12 years <br /> <br />37 <br /> <br />· Abundance maintained by <br />natural recruitment for ~12 <br />years <br /> <br />. Abundance maintained by <br />natural recruitment for ~12 <br />years <br />
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