Macrozoobenthos Of Shirvan Zone Rivers Of Azerbaijan

The article provides information on macrozoobenthos of the rivers of Shirvan area of Azerbaijan. İn the study there were identified 102 species of makrobentic organisms belonging to 15 taxonomic groups. 11 species of organisms are larvae of chironomids, each represented by 10 species of mollusks and coleopteran insects. Other types of groups are presented by 2-9 species. Biomass of benthic organisms was 0.29-0.69 g/m2 , and their number ranged from 76 to 182 ind./m2 . Maximum number of species was observed in Geychai (70 species), and the minimum number in Demiraparanchai (42 species).