Ref ID : 3288
Magnus Lanner and Birger Pejler; The Effect of Cooling Water Discharges on Zooplankton in a Bay of Lake Malaren. Institute of Freshwater Research Drottningholm 53:31-33, 1973
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A relatively high frequency of species, as well as individuals was noted in the middle of winter (March 1972) in the inner part of Vasteras Bay, which is affected by cooling water discharges from two power stations as well as by municipal sewage from the city of Vasteras. In a strip of open water in the ice just outside one of the power stations, where the temperature at some places exceeded +9 degrees C, a pronouncedly warmwater stenothermal rotifer occurred, Polyarthra remata, previously never found in the winter.