Abstract
The species composition and abundance of macrozoobenthos of the Neman River within the borders of the Grodno region have been studied. A total of 165 identified lower detectable taxa (NOTES) of macrozoobenthos representatives belonging to 3 types of aquatic invertebrates were found: Mollusca – 30, Annelida – 12, and Arthropoda – 123 NOTES. Prior to the species, 119 taxonomic elements were detected. The average number of identified lower detectable taxa in the studied Neman River beds was 20.75 NOTES. The average number of macrozoobenthos representatives in the studied sections of the Neman River reached 857.5 specimens. Among the collected aquatic invertebrates, invasive species were identified – Lithoglyphus naticoides (Pfeiffer, 1828), Dreissena polymorpha (Pallas, 1771) and Orconectes limosus (Rafinesque, 1817). A rare species found in Belarus only for the third time is the mayfly Ametropus fragilis Albarda, 1878. Dragonflies Anax imperator Leach, 1815 and Gomphus flavipes Charpentier, 1825 were protected in Belarus and in a number of Western European countries.
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Schedule a callMore From: Proceedings of the National Academy of Sciences of Belarus, Biological Series
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