WSP12249

• File Number: 8240.200.10.B
• Description: UCRBRIP - Riverine Fish Flow Investigations
• Basin: Colorado Mainstem
• Date: 6/1/2004
• Author: CDOW
• Title: Riverine Fish Flow Investigations 2004
• Water Supply Pro - Doc Type: Publication

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Ag:t"-lI J.nJ ..\gl.."-I \\hilt" ~u~kcr "ppc;:lfl~d [(1 he L'qualJ) l.:1'lTllOt1n at all three ..ill'S
..;arnpleJ in ]OIP I rlgurt"s :\2-12. -\2-13 l~ :\2-1-~)

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rablt: 23 \kan knglbs ti.,...11 "'rt.:~II." at (junnhl1n Rl\c:r 'llc.. 111 2(10.1

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-- Mean length for all fls.h colleclln em
Gunnison River Austin - --,---- -Oeitd ~- Escalante
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",-SpecIes ___ 2000 1- 2001 2003 -1
- -
Ftannelmouth sucker 460 I 41 1 l 356
-.- - - - i
Bluetlead sucker 354 339 261
:Roundta,l chub 244 237 18,3 --I
-+-
IWhiteS +Hyb(i~ 3S 6 330 -t 322 -j
- -- +--~ "- 1
Carp 566 J.. 376 395
-- - -"

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\l..uk rceapturc C"llmJ.h:s wen.: nol >I\'allahk to 20{)J b..:..:au'ic llnl) two passes '\.'c:rc
lllJ.JC al caeh site. I hl\\ 1.:\ er. rdatlve .Ihundan..:c was calculated hy di\ Idlllg caldl hy c!t.'clru-
ti..hing 1ll1llUtl':-' at L':ll.:h slle (CPE\l) CP[~t W:J:. u:-.cd hl,:rc a~ sUITPgalt: tIlT de.'nsil) AUsl1l1
had the Illghc~tlI'Ef\lliJtlowl...J b) Ddta Lind ESl..'alantl.:

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l'PE~l {lfhluehcad ,>uckr.:r \\as \ery high at Austin at neo..lrly eight fish rer minute.
Bluehead CPEJ\t at Deho..l and Esc:..i1o..lllte were quile high at 2.5 and 3.5 fish rl.:r mlllute
resrecti\'cty The highest tlanndrnoulh CPE\1 \vas at Dl.:lla till1o\o\ed by Austill and
Escalante. erE\t Ilfroundtail chuh \..'as hight'st at Escalante and 1m.. est al Austlfl. CPL~1 uf
\..hilt: su{:l..er was highest at Austm and 111"Cst al Esealanll' (Figure IJl

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AUSlln ""', Escalnale

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Figun.. I_l Fk(tro-tishlllg catch rail..'... for lish (l\'cr 15 C'1ll in the (iunmsllll Rl\er.

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