6032

• UCREFRP Catalog Number: 6032
• Author: Maddux, H., et al.
• Title: Effects of Varied Flow Regimes on Aquatic Resources of Glen and Grand Canyons
• USFW Year: 1987.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

LIST OF TABLES
TABLE NO.
PAGE NO.
2.1. Description of sampling sites by reach, river mile,
and distance from Glen Canyon Dam.*.*.* ..... * ...... 9 .... 16
3.1. Instrumentation utilized for water chemistry analyses
by Bureau of Reclamation water quality
laboratory ..............................................19
3.2. Frequency (days) of mean and coefficient of variation
of daily discharge categories at Lee's Ferry USGS
gauging station on the Colorado River during the
period April 1, 1984 - May 30, 1986. L=low;
I=intermediate; H=high..................................22
3.3. Discharge measurements (cfs) of selected'Colorado
River tributaries in Glen and Grand canyons during
1984-1986 ...............................................26
3.4. Mean, standard deviation, and coefficient of variation
of temperature, dissolved oxygen, pH and conductivity
samples in Colorado River mainstem and tributaries,
1984-86 .................................................29
3.5. Ammonia, (NH3-N), nitrate-nitrite(NO3-NO2-N), soluble
reactive phosphate (SRP-P) and total phosphate
concentrations (TP-P) by Colorado River reach and selected
tributaries in Glen and Grand canyons during 1984-86.
Concentrations as N and P in ug/L. Ammonia and SRP samples
below the level of detection (<5 kg/L) were given values
of 2 ug/L for statistical calculations** ... .... .....38
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