. Bulletin. Natural history; Natural history. Fig, 6.âSeasonal abun- dances of benthic microin- vertebrates in Lake Sangchris fronn 1973 through 1976. n 1 1 I I I I I I I I I I I I SEPT.' JAN.' MAY 'sEPT,' JAN.' MAY 'sEPT.' JAN.' MAY ' SEPT NOV, MAR. JUL. NOV, MAR, JUL. NOV. MAR. JUL. 1973 1974 1975 1975 abundance (86-4,735 organisms m ~'^) macroinvertebrates in Lake Sangchris found in the control arm (Station 7). The was in phase with those of Illinois lakes seasonal abundance of benthic that receive no heated effluent. 2500- 2000- CM I o 1500- 1000- 500- â STATIONS S, ^, 3 (discharge arm) :
. Bulletin. Natural history; Natural history. Fig, 6.âSeasonal abun- dances of benthic microin- vertebrates in Lake Sangchris fronn 1973 through 1976. n 1 1 I I I I I I I I I I I I SEPT.' JAN.' MAY 'sEPT,' JAN.' MAY 'sEPT.' JAN.' MAY ' SEPT NOV, MAR. JUL. NOV, MAR, JUL. NOV. MAR. JUL. 1973 1974 1975 1975 abundance (86-4,735 organisms m ~'^) macroinvertebrates in Lake Sangchris found in the control arm (Station 7). The was in phase with those of Illinois lakes seasonal abundance of benthic that receive no heated effluent. 2500- 2000- CM I o 1500- 1000- 500- â STATIONS S, ^, 3 (discharge arm) : STATIONS 2, 1, 1 (intake and control arms) ⢠OTTER LAKE ^ \ \ I \ t\ n I \. SEPT, I JAN, I hAY I SEPT, NOV. MAR. JUL, JAN, I MAY I SEPT. | JAN, I MAY I SEPT. MAR, JUL. NOV. MAR, JUL. 1973 1974 1975 1976 Fig. 7.âAverage seasonal abundances of benthic macroinvertebrates in the discharge arm (heated) and intake and control arms (unhealed) of Lake Sangchris from 1973 through 1976 and in Otter Lake during 1975 and 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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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
