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Counts of Enterobacteriaceae family bacteria were assayed in the water of Długie Wigierskie Lake, which are situated in Wigry National Park and is settled by a colony of about 1000 black cormorants. The studied were conducted at monthly intervals in spring, summer and autumn of 2000-2001. Water samples were collected at 14 sites. Counts of Enterobacteriaceae family bacteria in the water of Długie...
The paper presents the results of the study on seasonal changes in the number of bacterioplankton, its vertical distribution and morphological composition in the waters of the deepest Polish lake, Lake Hańcza (108.5 m deep). The research was performed from 1997 till 2000. Water samples were collected at a research station placed at a location where the lake depth was maximum, at monthly intervals...
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