9478

• UCREFRP Catalog Number: 9478
• Author: Brunson, R. E. and K. D. Christopherson.
• Title: Early Life-Stage and Fish Comminity Investigations in the Lower Duchesne River 1997-1999.
• USFW Year: 2003.
• USFW - Doc Type: 84-4,
• Copyright Material: NO

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Table 6. Correlations (Pearson r) among years between values of monthly river-discharge parameters and catch-per-unit-effort
of selected post larval fishes in the lower Duchesne River, Utah, 1997 - 1999. Coefficients in bold type followed by and
asterisk (*) are statistically significant (r 2:: 0.88; df= 2; P ~ 0.10). Strong correlations (r = 0.78-0.87) are indicated in
bold type not followed by an asterisk.

River Reach
Ourav Uinta Mvton
Specie Total Peak flows Mean Total Peak flows Mean Total Peak flows Mean
dischanre dischare:e dischare:e dischafQ:e discharl!e discharl!e
Natives
BH -0.12 0.90* 0.31 n/a n/a n/a -0.27 0.82 0.17
FM -0.24 0.84 0.19 -0.63 0.53 -0.24 -0.10 - 0.97* -0.51
RT -0.70 - 0.90* - 0.94* -0.34 0.78 0.09 -0.25 0.83 0.18
SD -0.02 0.94* 0.40 0.13 0.98* 0.53 0.76 0.87 0.96*
Nonnatives
RS -0.39 0.74 0.04 - 0.89* -0.73 - 0.99* -0.38 0.75 0.05
FH -0.75 - 0.88* - 0.96* -0.42 0.72 0.01 -0.47 0.68 -0.05
SM - 0.99* -0.27 - 0.88* - 0.94* 0.02 -0.70 -0.69 - 0.91 * - 0.93*
GS -0.63 0.53 -0.24 -0.22 - 0.99* -0.61 -0.34 0.78 0.09

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