The karstic lake Iezerul Ighiel (Transylvania, Romania): its first limnological study
Keywords:
algae, benthic invertebrates, diversity, ecological status, microcrustaceans.Abstract
The present study represents the first limnological survey made in Lake Iezerul Ighiel, considering the most important biotic communities in the water column (phyto- and zooplankton) and from the bottom (phyto- and zoobenthos). No data was collected on ichthyofauna, since the species existing in the lake were introduced. The lake was sampled in 2014 in three seasons, from three sampling sites located in different regions of the water body, having different characteristics. Physical and chemical parameters were also analysed. The biotic communities considered for the study depicted a generally good ecological status of the lake. However, moderate organic pollution, together with initial phases of eutrophication were indicated by the algal and invertebrate communities considered for the present study, both planktonic and benthic.
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