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Species variability of bentic organisms in Dračice river classicifed by PERLA system
KOUTNIK, Dalibor
Examination ecological size selected part of river (from village Františkov to border with Austria) on the basis of field watching. Observed results are analysed by system PERLA. Method is based on analysing biodiversity makrozoobenthos sample from fordables running water. Sampling can be apply in running water, where water column not exceed 1 m and speed of water stream to 1 m/s. Taking is made by normal or low water stage.

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