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<br /> Table 1. Mean zooplankton (cladocerans and copepods) and benthic chiromonid densities in various <br /> aquatic habitats of the middle Green River. Data on cladocerans and copepods adapted from <br /> Figures 46-62 for 1987 and from Table 28 for 1988; data on chironomids for 1987 and 1988 <br /> adaoted from Fiqures 21 and 22, respectively, of Grabowski and Hiebert (1989). <br /> Jun-Oct 1987 Zooolankton densities Benthic Jun-Oct 1988 Zooplankton densities Benthic <br /> cladocerans cooeoods chironomids cladocerans copepods chironomids <br /> Habitat (no./l ) (no./l) (no./m2) (no./l) (no./l) (no. 1m2) <br /> Main Channel RM 333.0 0.020 0.025 40 0.01 0.02 500 <br /> (Island Park) <br /> Main Channel RM 300.6 0.020 0.020 470 0 0.02 200 <br /> (Jensen) <br /> Main Channel RM 251.1 0.020 0.080 20 0 0.53 20 <br /> (Ouray) <br /> Backwater RM 333.2 0.044 0.136 2,430 0.01 0.03 1,730 <br /> Backwater RM 332.2 0.060 0.020 1,400 <br /> Backwater RM 327.6 0.01 0.05 1,670 <br />w Backwater RM 300.6 0.02 0.02 900 <br />0 <br /> Backwater RM 300.5 0 1. 24 2,300 <br /> Backwater RM 300.3 0.111 0.141 2,230 <br /> Backwater RM 298.6 0.027 0.056 1,790 0.01 0.13 2,900 <br /> Backwater RM 298.4 0.01 0.06 370 <br /> Backwater RM 251. 0 0.033 0.256 1,400 0 0.25 2,470 <br /> Backwater RM 250.8 0.020 0.127 2,770 0 0.07 2,400 <br /> Backwater RM 250.7 0.01 0.18 1,800 <br /> Backwater RM 249.7 0.020 0.077 1,530 <br /> Backwater RM 249.4 0 0.23 1,900 <br />