Fungi and Straminipilous Organisms Growing in the Narew River and its Chosen Tributaries in NE Poland
Elżbieta Muszyńska1, Bożena Kiziewicz1, Anna Godlewska1, Robert Milewski2
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1Department of General Biology, Medical University, Mickiewicz 2C, 15-222 Białystok, Poland
2Department of Statistics and Medical Informatics,
Szpitalna 37, 15-295 Białystok, Poland
Pol. J. Environ. Stud. 2014;23(2):401–408
The authors analyzed the occurrence of zoosporic fungi and straminipilous organisms in relation to environmental factors in the main bed of the Narew River and its three tributaries (Awissa, Turośnianka, and Kurówka) in two vegetative seasons: spring and autumn. The bait method used to isolate microorganisms helped to distinguish various physiological groups, such as phytosaprotrophs, zoosaprotrophs, and parasites of plants, animals, and fungi. Forty taxons that were determined were more frequently found in the main current of the Narew River than in its tributaries. The major factors limiting the species composition of zoosporic fungi and straminipilous organisms in the sampling locations included hydrochemical parameters, such as CO2, nitrites, nitrates, ammonium nitrogen, and phosphates that showed negative correlation, pH, and O2 being positively correlated with the number of the microorganisms studied.