Mayflies (Ephemeroptera) from the sandy bars in the rivers Bug and Narew
2004
Glazaczow, A.
The habitats of nymphs and their existence in the river bed were characterized. For identification of their environmental preferences, which affect the quantitve composition of assemblages, ordinational methods were applied using Principal Component Analysis. The abundance of nymphs, life cycles, periods of colonization of sandy substratum and behaviour of adults were also described. Mayflies living in the benthos were compared with those from drift
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