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<br />CHAPTER 8: FLOW RECOMMENDATIONS FOR THE RECOVERY
<br />OF ENDANGERED FISHES .,..',.........,..,..".,..,......,.... 8 - 1
<br />RECOMMENDED HYDROGRAPH CONDITIONS ....,..'..,'....,......,..,. 8 - 2
<br />RECOMMENDED RESERVOIR OPERATING RULES. . . . . . . , . . , . . ' . . . . . . . . . . . 8 - 6
<br />MODEL RESULTS ...'...,...,..,..'......'.................'....'... 8 - 14
<br />Hydrologic Results . . , . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . , . , . . . . , . . . B - 14
<br />Backwater Habitat Results . . . . . . . . . . . . . , . . . . . . . . . . . . . . . ' . , . . . . . . . . 8 - 21
<br />Fish Recovery, Water Development, and Flow Recommendations ,.,..,." B - 21
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<br />REFERENCES ..........., . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . , . . , . . . . R - 1
<br />
<br />GLOSSARY ......'......,.......'.....,...,.,........................".. G - 1
<br />
<br />LIST OF TABLES
<br />
<br />Table S.1.
<br />
<br />Table 2.1,
<br />
<br />Table 2.2,
<br />
<br />Table 2.3.
<br />
<br />Table 2.4.
<br />
<br />Table 2.5.
<br />
<br />Table 2.6.
<br />
<br />Table 2.7,
<br />
<br />Table 2,8.
<br />
<br />Table 4,1,
<br />
<br />Flow requirements needed to produce important biological responses
<br />and habitats in the San Juan River. ..........................,....... S - 4
<br />
<br />The major habitat types mapped in the San Juan River from color plates
<br />taken from airborne videography. ................................... 2 - 7
<br />
<br />Reach definItions, variables considered, and their mean values
<br />within each reach used in defining geomorphically different reaches. ........ 2 - 8
<br />
<br />Comparison of storm magnitude and frequency for the Colorado River
<br />at Cisco gage, Green River at Green River gage, and San Juan River
<br />
<br />near Bluff gage. . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . 2 - 14
<br />
<br />Comparison of hydrograph statistics for pre-dam (1929 to 1961),
<br />post-dam (1962 to 1991), and research periods (1992 to 1997)
<br />for the San Juan River near Bluff, Utah. . . . . . . . . . . . . . . . . . . . . . . ' . . . . . . . 2 - 16
<br />
<br />Eight general categories of habitat types on the San Juan River. '......... 2 - 22
<br />
<br />A comparison of habitat quality features in runs and riffles
<br />by geomorphic reach for 1995, 1996, and 1997 combined
<br />in the San Juan River. ."......................,...............,. 2 - 28
<br />
<br />A riverwide comparison of habitat quality features
<br />for five sample periods in the San Juan River. . . ' . . . . . . . . . . , . . , . . . . . , . . 2 - 28
<br />
<br />Habitat types as a percent of total wetted area (TWA)
<br />for the 15-mile reach of the Colorado River at three flow levels. ,.....',... 2 - 29
<br />
<br />Summary of Navajo Dam release hydrograph characteristics
<br />during the research period, 1992 to 1997. ...............,.,...."..,.. 4 - 1
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<br />SJR1P Biology Comminee
<br />February 1999
<br />
<br />T-3
<br />
<br />Table of Contents
<br />Flow Report
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<br />I
<br />II
<br />III
<br />III
<br />I
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