AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Autori: KARINA PAULA BATTES, ROXANA TUDOSĂ, LAURA MOMEU, IOANA CRISTEA.
The present paper represents the first record of phytoplankton and microcrustacean taxa from Lake Zoreni, located in the Transylvanian Plateau, Romania. The scarcity of the data about the lake could be explained by the fact that it was formed only about 40 years ago, due to land slides. More than 180 algal taxa and 15 microcrustacean species were identified in May, July and October 2012 in Lake Zoreni, from two sampling sites characterized by different habitat conditions with respect to macrophyte abundance. Species richness and diversity of both phytoplankton and microcrustaceans differed depending on the season and sampling site. Based on indicator values of numerous algal, cladoceran and copepod taxa, the lake can be included in a moderate water quality class, with moderate loads of decomposing organic matter. An on-going process of eutrophication was identified in the lake, caused either by natural processes or by human activities.
Keywords: diversity indices, ecological status, microcrustaceans, phytoplankton, species richness.
