The occurrence of yeasts in some of the Masurian Lakes

Stanisław Niewolak


The results are reported of investigations on the abundance of yeasts in the Kortowskie and Iławskle lakes. The amount and qualitative composition of yeasts was studied in the lakes of the Węgorzewo district. The yeasts were least numerous (up to 82 cells per l ml water) in the lakes with relatively unpolluted water and most abundant in bottom deposits with a silty substrate (up to 6200 cells per l g dry weight). Net plankton contained up to 15 000 cells in 1 g of fresh weight.

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