期刊名称：Scientific Annals of the Danube Delta Institute
印刷版ISSN：1842-614X
电子版ISSN：2247-9902
出版年度：2016
卷号：21
期号：11
页码：51-60
语种：English
出版社：Institutul National de Cercetare-Dezvoltare Delta Dunarii
摘要：In the autumn 2010 ichthyofauna was investigated in ROSCI0103 Buzau meadow Natura 2000 site (from Siriu dam to near Vișani locality, in main riverbed). The status of fish species of community interest (An. II / H.D.) inside of ichthyocenoses, as abundance, biomass and anthropogenic impact were assessed. In this sites it was recorded 4 species of Community Interest: Barbus meridionalis, Romanogobio kessleri (Gobio kessleri), Romanogobio uranoscopus (Gobio uranoscopus), Sabanejewia aurata (S.balcanica or S. vallachica), but in comparison with Standard Sheet of Natura 2000 ROSCI0103 which contain also 4 species but C. taenia missing, in addition is Sabanejewia balcanica. Between abundance and biomass of fish species is different from submountain to plain area: Barbus meridionalis and Barbatula barbatula in submountain area to Squalius cephalus, Chondrostoma nasus from hill area to Carassius gibelio, Alburnus alburnus in plain area were dominating species as abundance and biomass. A main anthropogenic pressure consists in the building of dams in investigated water bodies (like Siriu dam), which stop the fish movement at the normal water levels (every define time the dam is open disturbing the water transparency affecting fish populations), also the ballast exploitation from riverbed and pollution by locals and tourist increase negative impact on fish community.
关键词：fish species richness;abundance;biomass;fish conservation;Buzau river
