WSP02772

• File Number: 8240.300.31.B
• Description: San Juan River - FWS Flow Recommendations
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 9/16/1998
• Author: Biology Committee
• Title: Flow Recommendations for the San Juan River - Draft Report
• Water Supply Pro - Doc Type: Report/Study

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~ Table 4.16.

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Table 4.17.

Table 4.18.

Table 4.19.

Table 4.20.

Table 4.21.

Calculated selection for radio-tagged razorback sucker
in the San Juan River, 1994 to 1997. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .. . 4 - 50

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Data pertaining to specific UDWR seining trips used in correlations. . . . , . . . . 4 - 54

Average catch rates (number/100 m2) with standard errors
(in parentheses) and Pearson correlation coefficients (rvalues)
of various hydrologic (Table 4.3) and trip (Table 4.17) parameters
for f1annelmouth sucker young-of-the-year (yay) in the San Juan River
(only 1991-96 data used in correlations). . . . . . . . , . . . . . . . . . . . . . . . . . . .. . 4 - 55

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Average catch rates (number/100 m2) with standard errors
(in parentheses) and Pearson correlation coefficients (rvalues)
of various hydrologic (Table 4.3) and trip (Table 4.17) parameters
for bluehead sucker young-of-the-year (yay) in the San Juan River
(only 1991 to 1996 data used in correlations). ......................... 4 - 63

Average catch rates (number/100 m2) with standard errors
(in parentheses) and Pearson correlation coefficients (rvalues)
of various hydrologic (Table 4.3) and trip (Table 4.17) parameters
for speckled dace in the San Juan River
(only 1991 to 1996 data used in correlations). ......................... 4 - 69

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Correlation of spring runoff attributes with speckled dace
summer density in San Juan River secondary channels. ..... . . . . . . . . . . . . 4 - 71

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Table 4.22. Correlation of summer low flow attributes with speckled dace
autumn density in San Juan River secondary channels. ................. 4 - 71

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Table 4.23. Habitat selection for radio-tagged channel catfish in the San Juan River,
October 1996 through September 1997. ............................. 4 - 81

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Table 4.24. Average catch rates (number/100 m2) with standard errors
(in parentheses) and Pearson correlation coefficients (r values)
of various hydrologic (Table 4.3) and trip (Table 4.17) parameters
for red shiner in the San Juan River , ,
'(only 1991 to 1996 data used in correlations). .......,................. 4 - 83

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Table 4.25. Pre- and post-peak spring runoff density of red shiner
at the Channel from Hell permanent study site. ........................ 4 - 85

Table 4.26. Correlation of summer flow attributes versus autumn density
of red shiner in San Juan River secondary channels
by geomorphic reach. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 86

Table 4.27. Correlation of spring runoff attributes with fathead minnow
summer density in San Juan River secondary channels. .... . . . . . . . . . . . . . 4 - 87

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Table of Contents
Draft Flow Report

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SJRIP Biology Committee
16 September 1998