Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton
This work presents the results of long-term assessment of the influence of the Azov Sea salinity changes and predation pressure of the Black Sea gelatinous invading species—ctenophores and scyphozoans—on the development of fodder zooplankton. It is shown that the increase in the salinity of the water body leads to considerable changes in the taxonomic structure of its community. Freshwater and brackish-water species are being replaced by characteristic marine taxa from the Black Sea that are gradually becoming dominant. The number of the species immigrating from the Black Sea is growing; their range extends beyond the Southern Azov Sea. Some of them are rapidly developing far outside the area directly influenced by the Black Sea waters, including Taganrog Bay. The gelatinous predatory ctenophores and jellyfish from the Black Sea start to appear in this water body. Simultaneous development of these species escalates the consumption of fodder zooplankton by invaders. More substantial changes in taxonomic structure of the community are also observed; its development indicators and production are decreasing.
Main Authors: | , , , , , , , |
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Format: | Journal Contribution biblioteca |
Language: | Russian |
Published: |
2023
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Subjects: | Jellyfish, Ctenophores, Численность, Биомасса, Медузы, Гребневики, Зоопланктон, Соленость, Географическое распределение, Aurelia aurita, Rhizostoma pulmo, Mnemiopsis leidyi, Beroe ovata, ASFA_2015::Y::Zooplankton, ASFA_2015::S::Salinity, ASFA_2015::T::Temperature, ASFA_2015::P::Population abundance (in number), ASFA_2015::B::Biomass, ASFA_2015::D::Distribution, |
Online Access: | http://hdl.handle.net/1834/42943 |
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dig-aquadocs-1834-429432024-01-11T02:47:28Z Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton Развитие кормового зоопланктона в Азовском море при изменении солености и хищничестве желетелого макропланктона Mirzoyan, Zinaida Martynyuk, Marina L. Hrenkin, Dmitry Afanasyev, Dmitry Bychkova, Marina V. Zhukova, Svetlana V. Bondarev, Sergey V. Piatinskii, Mikhail Jellyfish Ctenophores Численность Биомасса Медузы Гребневики Зоопланктон Соленость Географическое распределение Aurelia aurita Rhizostoma pulmo Mnemiopsis leidyi Beroe ovata ASFA_2015::Y::Zooplankton ASFA_2015::S::Salinity ASFA_2015::T::Temperature ASFA_2015::P::Population abundance (in number) ASFA_2015::B::Biomass ASFA_2015::D::Distribution This work presents the results of long-term assessment of the influence of the Azov Sea salinity changes and predation pressure of the Black Sea gelatinous invading species—ctenophores and scyphozoans—on the development of fodder zooplankton. It is shown that the increase in the salinity of the water body leads to considerable changes in the taxonomic structure of its community. Freshwater and brackish-water species are being replaced by characteristic marine taxa from the Black Sea that are gradually becoming dominant. The number of the species immigrating from the Black Sea is growing; their range extends beyond the Southern Azov Sea. Some of them are rapidly developing far outside the area directly influenced by the Black Sea waters, including Taganrog Bay. The gelatinous predatory ctenophores and jellyfish from the Black Sea start to appear in this water body. Simultaneous development of these species escalates the consumption of fodder zooplankton by invaders. More substantial changes in taxonomic structure of the community are also observed; its development indicators and production are decreasing. В работе приведены результаты многолетних исследований по оценке влияния изменения солености Азовского моря и хищничества черноморских желетелых вселенцев — гребневиков и сцифоидных медуз на развитие кормового зоопланктона. Показано, что увеличение солености водоема существенно изменяет таксономическую структуру сообщества. Происходит вытеснение пресноводных и солоноватоводных видов животных типично морскими черноморскими таксонами, которые постепенно приобретают статус доминирующих. Заметно расширяется список черноморских мигрантов, их ареал перестает ограничиваться южной частью Азовского моря. Некоторые из них активно развиваются далеко за пределами наибольшего влияния черноморских вод, включая Таганрогский залив. В водоеме появляются черноморские желетелые хищные гребневики и медузы. При одновременном развитии популяций этих видов выедание кормового зоопланктона вселенцами заметно усиливается. Наблюдаются более существенные изменения таксономической структуры сообщества, снижаются количественные показатели его развития и продукция. Published Non Refereed 2024-01-10T09:44:25Z 2024-01-10T09:44:25Z 2023 Journal Contribution http://hdl.handle.net/1834/42943 ru Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ pp.178-191 Sea of Azov Таганрогский залив Taganrog Bay Азовское море |
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Jellyfish Ctenophores Численность Биомасса Медузы Гребневики Зоопланктон Соленость Географическое распределение Aurelia aurita Rhizostoma pulmo Mnemiopsis leidyi Beroe ovata ASFA_2015::Y::Zooplankton ASFA_2015::S::Salinity ASFA_2015::T::Temperature ASFA_2015::P::Population abundance (in number) ASFA_2015::B::Biomass ASFA_2015::D::Distribution Jellyfish Ctenophores Численность Биомасса Медузы Гребневики Зоопланктон Соленость Географическое распределение Aurelia aurita Rhizostoma pulmo Mnemiopsis leidyi Beroe ovata ASFA_2015::Y::Zooplankton ASFA_2015::S::Salinity ASFA_2015::T::Temperature ASFA_2015::P::Population abundance (in number) ASFA_2015::B::Biomass ASFA_2015::D::Distribution |
spellingShingle |
Jellyfish Ctenophores Численность Биомасса Медузы Гребневики Зоопланктон Соленость Географическое распределение Aurelia aurita Rhizostoma pulmo Mnemiopsis leidyi Beroe ovata ASFA_2015::Y::Zooplankton ASFA_2015::S::Salinity ASFA_2015::T::Temperature ASFA_2015::P::Population abundance (in number) ASFA_2015::B::Biomass ASFA_2015::D::Distribution Jellyfish Ctenophores Численность Биомасса Медузы Гребневики Зоопланктон Соленость Географическое распределение Aurelia aurita Rhizostoma pulmo Mnemiopsis leidyi Beroe ovata ASFA_2015::Y::Zooplankton ASFA_2015::S::Salinity ASFA_2015::T::Temperature ASFA_2015::P::Population abundance (in number) ASFA_2015::B::Biomass ASFA_2015::D::Distribution Mirzoyan, Zinaida Martynyuk, Marina L. Hrenkin, Dmitry Afanasyev, Dmitry Bychkova, Marina V. Zhukova, Svetlana V. Bondarev, Sergey V. Piatinskii, Mikhail Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
description |
This work presents the results of long-term assessment of the influence of the Azov Sea salinity changes and predation pressure of the Black Sea gelatinous invading species—ctenophores and scyphozoans—on the development of fodder zooplankton. It is shown that the increase in the salinity of the water body leads to considerable changes in the taxonomic structure of its community. Freshwater and brackish-water species are being replaced by characteristic marine taxa from the Black Sea that are gradually becoming dominant. The number of the species immigrating from the Black Sea is growing; their range extends beyond the Southern Azov Sea. Some of them are rapidly developing far outside the area directly influenced by the Black Sea waters, including Taganrog Bay. The gelatinous predatory ctenophores and jellyfish from the Black Sea start to appear in this water body. Simultaneous development of these species escalates the consumption of fodder zooplankton by invaders. More substantial changes in taxonomic structure of the community are also observed; its development indicators and production are decreasing. |
format |
Journal Contribution |
topic_facet |
Jellyfish Ctenophores Численность Биомасса Медузы Гребневики Зоопланктон Соленость Географическое распределение Aurelia aurita Rhizostoma pulmo Mnemiopsis leidyi Beroe ovata ASFA_2015::Y::Zooplankton ASFA_2015::S::Salinity ASFA_2015::T::Temperature ASFA_2015::P::Population abundance (in number) ASFA_2015::B::Biomass ASFA_2015::D::Distribution |
author |
Mirzoyan, Zinaida Martynyuk, Marina L. Hrenkin, Dmitry Afanasyev, Dmitry Bychkova, Marina V. Zhukova, Svetlana V. Bondarev, Sergey V. Piatinskii, Mikhail |
author_facet |
Mirzoyan, Zinaida Martynyuk, Marina L. Hrenkin, Dmitry Afanasyev, Dmitry Bychkova, Marina V. Zhukova, Svetlana V. Bondarev, Sergey V. Piatinskii, Mikhail |
author_sort |
Mirzoyan, Zinaida |
title |
Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
title_short |
Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
title_full |
Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
title_fullStr |
Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
title_full_unstemmed |
Development of fodder zooplankton in the Azov Sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
title_sort |
development of fodder zooplankton in the azov sea in the context of changing salinity and predation pressure of gelatinous macroplankton |
publishDate |
2023 |
url |
http://hdl.handle.net/1834/42943 |
work_keys_str_mv |
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