WSP02696

• File Number: 8240.200.30.B
• Description: UCRBRIP Instream Flow Approprations
• State: CO
• Basin: Colorado Mainstem
• Date: 6/8/1993
• Author: UCRBRIP
• Title: Colorado River Flow Data at Colorado-Utah State Line
• Water Supply Pro - Doc Type: Data

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Habitat per Mile with Stream Flow Rate
Weighted Usable Area (WUA) of Adult Brown Trout

20

15 -

Reaches 7, 8, 9 produce much
more habitat per mile than do
the other stream reaches.

7, 8, 9

10

Stream
Reach

6
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. 1,2,3
4
10 5

12

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0 2 4 6 8
Flow In Stream (ds)

Pt'lyslcal haMa! SimulatIOn model 0)' National Ecology Research Center
HaMal sUlta:>llny criteria developed by National EcOlogy Researcn Center anCl Colorado DIVISion of VVllcMe

Total Habitat with Stream Flow Rate
Weighted Usable Area (WUA) of Adult Brown Trout

2500

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Because reaches 7,8,9 are twice as long as
the other reaches and produce more habitat
per mile, reaches 7. 8, 9 supply the vast
majority of trout habitat in the Poudre

7, 8, 9

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Stream
Reach

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6,
1,2,3,4,5

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10

50

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20 30
Flow In Stream (cfs)

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40

Pr.yslcal l1ao;13: SimUlation mOdel oy NatIOnal Eco;ogy Reseatch Cente"
liaona: S;Jitao11rty :r,tefla de.elopeo 01' Na:,ona: Ecology ResearCh Ce:1ter and Colcrajo DMSIO!'! of Wildlife

from Miller Ecological's 7/97 Report on Poudre

JOP-WUA WK4

08/05/97 JGM