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Fish species diversity in tributaries of the Haná stream
Prokeš, Miroslav ; Baruš, Vlastimil ; Peňáz, Milan ; Koubková, B. ; Gelnar, M.
Fundamental ecological parameters of the fish assemblages in the Brodecký potok (BP) and Rostěnický potok (RP) were presented. In th BP, 18 fish species, in the RP 11 fish species and in the whole river system of the Haná 30 fish species were presented. Index of species diversity (H') in the BP ranged from 0.3358 to 1.7161, abundance was 14359-66818 exx.ha-1 and biomass was 51.6-576.6 kg.ha-1. Stone loach occurred in the localities, where predator species (Esox lucius, Sander lucioperca and Perca fluviatilis) absented, in dominance 3.72-94.06% and biomass 18.84-53.1 kg.ha-1. Index of fish species diversity in the RP ranged from 0.7496 to 1.7268 abundance was 4490-14578 exx.ha-1 and biomass was 72.1-961.1 kg.ha-1. Stone loach occurred only in the stream mouth of BP in the dominance 3.79% and biomass 3.9 kg.ha-1.

National Repository of Grey Literature : 13 records found   previous11 - 13  jump to record:
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1 Gelnar, Matyáš
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