Zmiinyi Island Coastal Zone Macrozoobenthos State in 2016-2017

Authors

  • С. М. Снігірьов Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine
  • О. В. Чернявський Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine
  • Е. О. Наум Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine
  • А. О. Галкіна Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine
  • В. І. Медінець Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine https://orcid.org/0000-0001-7543-7504
  • Є. І. Газєтов Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine
  • О. П. Конарева Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine
  • П. М. Снігірьов Odessa National I. I. Mechnikov University, Odessa, Ukraine, Ukraine

Keywords:

macrozoobenthos, number, biomass, quality of environment, Zmiinyi Island

Abstract

Methods. Standard methods of macrozoobenthos sampling, determination, number and biomass estimation. Results. Results of analysis of biodiversity, structural characteristics and taxonomic composition of macrozoobenthos in theZmiinyiIsland coastal zone have been presented. Seasonal dynamics of its number and biomass has been studied. Assessment of marine environment quality has been performed based on the metrics of macrozoobenthos. Conclusions. Altogether, 132 taxa of benthic invertebrates belonging to 10 biggest taxonomic groups of macrozoobenthos have been identified in the Zmiinyi Island coastal zone in 2016-2017. Analysis of taxonomic composition identified 1 species of Porifera (0.8%), 7 taxa of Cnidaria (5.3%), 3 taxa of Platyhelminthes  (2.3%), 1 taxon of Nemertea (0.8%), 3 taxa of Bryzoa (2.3%), 52 taxa of Annelida (39.4%), 25 taxa of Mollusca (18.9%), 35 taxa of Arthropoda (265%), 2 taxa of Echinodermata (1.4%) and 3 taxa of Chordata (2.3%). Out of 132 macrozoobenthos taxa 6 are enlisted in the Red Data Book of Ukraine and 8 – in the Black Sea Red Data Book. Macrozoobenthos number varied from 0.317х104 (27.11.2016) to 16.943х104 (19.08.2016) ind/m2 on soft substrate and from 2.683х104 (17.05.2016) to 30.725х104 (19.08.2016) ind/m2 on rocky substrate; biomass varied from 0.017 (17.05.2017) to 34.857 (19.08.2016) kg/m2 on soft substrate and from 1.531 (27.11.2016) to 46.147 (19.08.2016) kg/m2 on rocky substrate. Maximal development of benthos was registered in summer period. Quality of marine environment on the AMBI and M-AMBI indices was assessed as Good in 21 cases out of 23 and as Moderate in 2 cases 2 out of 23. Mean values of AMBI and M-AMBI indices for different seasons made respectively: May, 2016 – 2.56 and 0.59; August, 2016 – 1.86 and 0.69; November, 2016 – 1.70 and 0.71; June, 2017 – 1.87 and 0.75.

Author Biographies

С. М. Снігірьов, Odessa National I. I. Mechnikov University, Odessa, Ukraine

канд. биол. наук

В. І. Медінець, Odessa National I. I. Mechnikov University, Odessa, Ukraine

канд. физ.-мат. наук, с. н. с.

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Published

2019-12-27

Issue

No. 21 (2019): Visnyk of V. N. Karazin Kharkiv National University series «Еcоlogy»

Section

BIOLOGICAL RESEARCH

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