. Bulletin. Natural history; Natural history. 406 Illinois Natural History Survey Bulletin Vol. 32, Art. 4 ultimate leaf size was not adversely affected. The smaller final leaf sizes at stations L2 and L3 may indicate an inhibitory effect of the warmer water upon ultimate leaf size. The large leaves at Station LI suggest that these plants were of a different ecotype. On 6 August 1975 biomass samples of N. lutea were collected from three areas of Lake Sangchris, the discharge arm, the intake arm, and the main body of the lake (Table 4, Fig. 8). The lowest mean biomass, g/m^, was recorded
. Bulletin. Natural history; Natural history. 406 Illinois Natural History Survey Bulletin Vol. 32, Art. 4 ultimate leaf size was not adversely affected. The smaller final leaf sizes at stations L2 and L3 may indicate an inhibitory effect of the warmer water upon ultimate leaf size. The large leaves at Station LI suggest that these plants were of a different ecotype. On 6 August 1975 biomass samples of N. lutea were collected from three areas of Lake Sangchris, the discharge arm, the intake arm, and the main body of the lake (Table 4, Fig. 8). The lowest mean biomass, g/m^, was recorded from the plant bed in the main body of the. CONTROL ARM INTAKE ARM MAIN BODY DISCHARGE ARM Potamogeton nodosus 1975 A Nelumbo lutea 1975 0 Potamogeton nodosus 1974 vJ Fig. 8.—Sampling sites (or Nelumbo lutea and Potamogeton nodosus bionnass estimations in Lake Sangchris, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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