7103

• UCREFRP Catalog Number: 7103
• Author: Grabowski, S. J. and S. D. Hiebert.
• Title: Green River Trophic Dynamics Study 1987
• USFW Year: 1988.
• USFW - Doc Type: Draft.
• Copyright Material: NO

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CONTENTS--Continued

SUMMARY AND ANAL YS IS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168

RECOtf.1ENDA TI ONS FOR 1988. 0 . 0 0 . .. 0 0 . . 0 . 0 . . . . .. 0 0 .. 0 . 0 0 00 0 0 0 . . 0 . . 0 . . . 0 . 171

TABLES

Table 1.--Averaged daily water temperature, oc, dissolved oxygen, mg/L;
pH, and specific conductance, ~s/cm, from July 23 to November 6, 1987,
in three backwaters on the Green River. Standard deviation in parenthesis

Table 2.--Total dissolved solids, mg/L, for main river and backwater
sites at Island Park, Jensen and Ouray

Table 3.--Major cations and anions for main river and backwater sites
at Island Park, Jensen and Ouray for the 1987 sampling season

Table 4.--Average total phosphorus, total Kjeldahl nitrogen, total
inorganic nitrogen and nitrogen: phosphorus ratio for the main
river and backwater sites at Island Park, Jensen and Ouray for the
1987 sampling season

Table 5o--Average heavy metal concentrations, ~g/L, over the sampling
season in the main river and several backwaters at Island Park,
Jensen and Ouray

Table 6o--Concentration (g/m3) of <25 micron-size fraction POM from
river and backwater sampling sites on the Green River during 1987

Table 7.--Concentration (g/m3) of >25 micron-size POM from river and
backwater sampling sites on the Green River during 1987

Table 8o--Correlation coefficients of Green River <25 micron POM from
river and backwater sites, including coefficients calculated with
river flow

Table 9o--Chlorophyll a concentrations (mg/m3) at all sampling sites
by site on the Green River during 1987

Table 10o--Correlation coefficients of Green River total chlorophyll ~
concentrations from river and backwater sites, including coefficients
correlated with river flows

Table 11o--Phytoplankton taxa collected in the river and backwaters
at Island Park, Jensen and Ouray during the sampling period June 2
through November 19, 1987