International Journal of Zoology Studies

International Journal of Zoology Studies


ISSN: 2455-7269

Vol. 2, Issue 1 (2017)

Zoobenthos distribution patterns in the deepwater horizon of Azerbaijan sector of the caspian sea

Author(s): G.S Mirzoev, I.H Alekperov
Abstract: The data is given on various composition and quantitative distribution of macrozoobenthos in deep zones of the Azerbaijan sector of the Caspian sea. 118 species of zoobenthos belonging to 10 taxonomic groups were observed in 2000 - 2012. Among them, 57 species were first discovered in the deep zones. The maximum number of species was observed at depths of 200 - 300 m (118 species), and the minimum one was observed at depths of 900 - 1000 m (6 species). The average annual biomass of zoobenthos changed from 1, 06 to 54.55 g/m2, and the number was from 24 to 1120 sp./m2. 13 species play the main role in the formation of benthos, among which the biomass is dominated by molluscs, their biomass ranged from 44.2% to 75.6% of the total biomass of the benthic fauna.
Pages: 43-48  |  1400 Views  601 Downloads
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