, Volume 74, Issue 7, pp 851–862 | Cite as

Composition, abundance and biomass of mesozooplankton in the southwestern Black Sea along the coast of İğneada, Turkey

  • Funda ÜstünEmail author
  • Levent Bat
  • Fatih Şahin
Original Article


The qualitative and quantitative structure of mesozooplankton assemblages in the southwestern Black Sea region along the coast of İğneada, Kırklareli Province were assessed and described. The study was conducted on 22 November 2012, 17 May 2013, 13 July 2013 and 4 October 2013. Samples were collected from nine stations using a plankton net via vertical boat hauls. In total, 30 mesozooplankton taxa were identified. The mean mesozooplankton abundance values ranged from 3890.84 ± 2250.04 to 13643.40 ± 1660.55 individuals (ind.) m−3, whereas the biomass values ranged from 26.91 ± 5.4 to 95.76 ± 29.31 mg m−3. The most abundant taxa were Oithona davisae (2871.20 ± 436.24 ind. m−3 in November 2012 and 1310.83 ± 157.222 ind. m−3 in October 2013), Copepoda nauplii (4007.08 ± 3513.07 ind. m−3 in May 2013) and Bivalvia larvae (11118.41 ± 4798.74 ind. m−3 in July 2013). The taxa with the highest biomass were Parasagitta setosa (7.43 ± 2.32 mg m−3 in November 2012 and 33.52 ± 9.45 mg m−3 in October 2013), Polychaeta larvae (20.87 ± 9.63 mg m−3 in May 2013) and Bivalvia larvae (55.59 ± 23.99 mg m−3 in July 2013). Abundance and biomass of the species/groups of mesozooplankton are presented as mean ± standard error of the mean (SEM). There were no significant differences among the seasons and stations for either total abundance or biomass; however, there was a significant monthly variation in the mesozooplankton assemblages. Changes in the abundance and biomass of mesozooplankton were dependent on the physical environment.


İğneada Southwestern Black Sea Turkey Mesozooplankton Abundance Biomass 



This study was supported by the EU ENV-BLACK SEA Project: MSFD (Marine Strategy Framework Directive) Guiding Improvements in the Black Sea Integrated Monitoring System (MISIS- Project No. 07.020400 /2012/ 616044/ SUB/D2). We would like to thank Dr. Uğur ÖZSANDIKÇI for drawing the stations map. We would also like to thank referees for valuable comments on the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Institute of Zoology, Slovak Academy of Sciences 2019

Authors and Affiliations

  1. 1.Department of Hydrobiology, Fisheries FacultySinop UniversitySinopTurkey

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