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The aim of our study was to compare the biodiversity of zooplankton in experimental ponds with various combinations of fertilizers and supplementary fish feed. Zooplankton samples were collected twice a month from April to September 2015. Rotifers were the most diverse and the most abundant zooplankton group. The most abundant rotifer species in all the ponds were Anuraeopsis fissa, Keratella cochlearis,...
A new locality of the Asian thermophilic aquatic oligochaete Branchiura sowerbyi Beddard, 1892(Oligochaeta, Naididae) was recorded in the Upper Oder River. Until now, this species has been only noted in a few localities in Poland: in the Szczecin Lagoon at the mouth of Oder River to Baltic Sea, in the heated Konin lake system (West Poland) and in the middle course of the Oder River. In our study,...
A new locality of the Asian thermophilic aquatic oligochaete Branchiura sowerbyi Beddard, 1892 (Oligochaeta, Naididae) was recorded in the Upper Oder River. Until now, this species has been only noted in a few localities in Poland: in the Szczecin Lagoon at the mouth of Oder River to Baltic Sea, in the heated Konin lake system (West Poland) and in the middle course of the Oder River. In our study,...
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