Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara

Seasonal changes in the composition and abundance of zooplankton and their responses to environmental changes were investigated at 30 stations in the upper layer and 13 stations in the lower layer (in February, May, July, and December) of the Eastern Marmara Sea in 2016. A total of 44 species/groups...

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Main Authors: Melek İşinibilir, Ezgi Türkeri
Format: Article
Language:English
Published: Istanbul University Press 2024-08-01
Series:Aquatic Sciences and Engineering
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Online Access:https://dergipark.org.tr/en/download/article-file/3714297
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author Melek İşinibilir
Ezgi Türkeri
author_facet Melek İşinibilir
Ezgi Türkeri
author_sort Melek İşinibilir
collection DOAJ
description Seasonal changes in the composition and abundance of zooplankton and their responses to environmental changes were investigated at 30 stations in the upper layer and 13 stations in the lower layer (in February, May, July, and December) of the Eastern Marmara Sea in 2016. A total of 44 species/groups (including jellyfish species) were documented in the study area, with 39 identified in the upper layer water and 31 in the lower layer water. The abundances of zooplankton ranged from 29 to 2822 ind.m−3 in the upper layer and from 6 to 2283 ind.m−3 in the lower layer. Acartia clausi, Paracalanus parvus, Penilia avirostris, and Oithona similis were the dominant species in summer and autumn, whereas Calanus euxinus, Pseudocalanus elongates, Oithona nana, Oithona davisae and Pleopis polyphemoides were the dominant species in winter and spring. Aetideus spp., Clausocalanus spp., Ctenocalanus vanus, Oncaea minuta, Isopoda, and Siphonophora were observed only in bottom-layer waters. M. lucens and O. davisae were recorded only in the upper layer in December. In conclusion, our results suggest that zooplankton communities and some species are favorable indicators of the marine environment of the Sea of Marmara.
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institution Kabale University
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spelling doaj-art-175ffe6a3a7a4b79954c79b3d7150c372025-02-04T08:47:52ZengIstanbul University PressAquatic Sciences and Engineering2602-473X2024-08-0139313714710.26650/ASE202414335614Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of MarmaraMelek İşinibilir0https://orcid.org/0000-0002-1200-6878Ezgi Türkeri1https://orcid.org/0000-0003-2017-6137ISTANBUL UNIVERSITY, FACULTY OF AQUATIC SCIENCES, DEPARTMENT OF MARINE BIOLOGYISTANBUL UNIVERSITY, FACULTY OF AQUATIC SCIENCES, DEPARTMENT OF MARINE BIOLOGYSeasonal changes in the composition and abundance of zooplankton and their responses to environmental changes were investigated at 30 stations in the upper layer and 13 stations in the lower layer (in February, May, July, and December) of the Eastern Marmara Sea in 2016. A total of 44 species/groups (including jellyfish species) were documented in the study area, with 39 identified in the upper layer water and 31 in the lower layer water. The abundances of zooplankton ranged from 29 to 2822 ind.m−3 in the upper layer and from 6 to 2283 ind.m−3 in the lower layer. Acartia clausi, Paracalanus parvus, Penilia avirostris, and Oithona similis were the dominant species in summer and autumn, whereas Calanus euxinus, Pseudocalanus elongates, Oithona nana, Oithona davisae and Pleopis polyphemoides were the dominant species in winter and spring. Aetideus spp., Clausocalanus spp., Ctenocalanus vanus, Oncaea minuta, Isopoda, and Siphonophora were observed only in bottom-layer waters. M. lucens and O. davisae were recorded only in the upper layer in December. In conclusion, our results suggest that zooplankton communities and some species are favorable indicators of the marine environment of the Sea of Marmara.https://dergipark.org.tr/en/download/article-file/3714297zooplanktonabundancespecies diversitysea of marmara
spellingShingle Melek İşinibilir
Ezgi Türkeri
Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara
Aquatic Sciences and Engineering
zooplankton
abundance
species diversity
sea of marmara
title Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara
title_full Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara
title_fullStr Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara
title_full_unstemmed Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara
title_short Seasonal Zooplankton Distribution and Species Composition in the Eastern Sea of Marmara
title_sort seasonal zooplankton distribution and species composition in the eastern sea of marmara
topic zooplankton
abundance
species diversity
sea of marmara
url https://dergipark.org.tr/en/download/article-file/3714297
work_keys_str_mv AT melekisinibilir seasonalzooplanktondistributionandspeciescompositionintheeasternseaofmarmara
AT ezgiturkeri seasonalzooplanktondistributionandspeciescompositionintheeasternseaofmarmara