@article{article_633867, title={Seasonal Size Composition of Gelatinous Macrozooplankton in the Sinop Peninsula of Black Sea}, journal={Marine Science and Technology Bulletin}, volume={8}, pages={50–54}, year={2019}, DOI={10.33714/masteb.633867}, author={Birinci Özdemir, Zekiye and Aydemir-çil, Eylem and Gürbüzer, Pınar}, keywords={Black Sea,Aurelia aurita,Mnemiopsis leidyi,Pleurobrachia pileus,Size composition}, abstract={<span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:9pt;line-height:13.8px;font-family:’Trebuchet MS’, sans-serif;"> <span style="font-size:14px;">In this study, size compositions of  </span> <i> <span style="font-size:14px;">Aurelia </span> </i> <span style="font-size:14px;">  </span> <i> <span style="font-size:14px;"> <span style="font-size:14px;">aurita </span> <span style="font-size:14px;">  </span> </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">(Linnaeus, 1758), </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;"> <span style="font-size:14px;">Pleurobrachia pileus </span> <span style="font-size:14px;">  </span> </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">(O. F. Müller, 1776) and </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">Mnemiopsis leidyi </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">A. Agassiz, 1865 were presented seasonally between March 2015 and February 2016 at the Sinop Peninsula of Black Sea. Sampling was carried out monthly at the 6 stations </span> <span style="font-size:14px;">  </span> </span> <span style="font-size:14px;">by plankton net ( </span> <span style="font-size:14px;"> <span style="font-size:14px;">50 cm diameter mouth opening, 500 </span> <span style="font-size:14px;">  </span> </span> </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:14px;line-height:16.1px;font-family:Symbol;">m </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:14px;line-height:16.1px;font-family:’Trebuchet MS’, sans-serif;"> <span style="font-size:14px;">m mesh size for horizontal tows, 210 </span> <span style="font-size:14px;">  </span> </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:14px;line-height:16.1px;font-family:Symbol;">m </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:9pt;line-height:13.8px;font-family:’Trebuchet MS’, sans-serif;"> <span style="font-size:14px;">m mesh size for vertical tows) </span> <span style="font-size:14px;">. </span> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">Small sized individuals of </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">A. aurita </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">, </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">M. leidyi </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">and </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">P. pileus </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">were found dominant in summer. Bigger size individuals were observed for </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">A. aurita </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">in spring, </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">M. leidyi </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">in winter, and </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">P. pileus </span> </i> <span style="font-size:14px;"> <span style="font-size:14px;">  </span> <span style="font-size:14px;">in autumn. </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">A. aurita </span> </i> <span style="font-size:14px;">  </span> </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:14px;line-height:16.1px;font-family:’Times New Roman’, serif;">˂ </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:9pt;line-height:13.8px;font-family:’Trebuchet MS’, sans-serif;"> <span style="font-size:14px;"> <span style="font-size:14px;">4 cm was determined as 57%, </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">M. leidyi </span> </i> <span style="font-size:14px;">  </span> </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:14px;line-height:16.1px;font-family:’Times New Roman’, serif;">˂ </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:9pt;line-height:13.8px;font-family:’Trebuchet MS’, sans-serif;"> <span style="font-size:14px;"> <span style="font-size:14px;">2 cm was 58% and </span> <span style="font-size:14px;">  </span> </span> <i> <span style="font-size:14px;">P. pileus </span> </i> <span style="font-size:14px;">  </span> </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:14px;line-height:16.1px;font-family:’Times New Roman’, serif;">˂ </span> <span lang="en-gb" xml:lang="en-gb" style="text-align:justify;font-size:9pt;line-he}, number={2}, publisher={Adem Yavuz SÖNMEZ}, organization={Sinop University Scientific Research Projects Coordination Unit, Turkey}