THE DYNAMICS OF THE ICHTHYOFAUNA’S ECOLOGICAL GROUPS OF THE DANUBE (IN THE BRAILA ZONE) IN DIFFERENT PERIODS

Abstract

From the statistic dates was analyzed the dynamic of the different species of fish and the ecological groups which are taking part, on the Danube, in the Braila zone, realized in different periods.

Keywords

• the danube
• captures
• ichthyofauna
• limnique species
• rheophille species
• semi migratory
• catadromous migratory species