Planula settlement and polyp morphogenesis in two bloom forming jellyfish species of the genus Cyanea Péron and Lesueur, 1810 and effects of abiotic factors on planulocysts
The negative effects of scyphozoan jellyfish blooms on ecosystems and economy are linked to planula survival, settlement success and subsequent polyp metamorphosis. A particular periderm covered stage formed by the newly settled planula, the planulocyst, has been reported for Cyanea lamarckii Péron...
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description | The negative effects of scyphozoan jellyfish blooms on ecosystems and economy are linked to planula survival, settlement success and subsequent polyp metamorphosis. A particular periderm covered stage formed by the newly settled planula, the planulocyst, has been reported for
Cyanea lamarckii
Péron and Lesueur, 1810 but not for
Cyanea capillata
(Linnaeus, 1758) from the Northeast Atlantic. Only a few planulocysts develop to polyps directly after settlement and the excystment process has not been understood in detail. By combining live observations with histological sections and scanning electron microscopy, present results clarified that the excysting
C. lamarckii
planula secretes a thin periderm stalk within the planulocyst and subsequently the polyp develops at the top of the stalk. No planulocysts but tiny periderm stalks appeared during the polyp development in
C. capillata
. Experiments with combined temperature (10, 15, 20 °C) and salinity (32, 25) treatments revealed significant effects of temperature on
C. lamarckii
planula settlement success (highest at 15 °C) and planulocyst excystment (highest at 20 °C) but no significant effects of salinity. Food supply did not affect excystment but enhanced the tentacle development of polyps. Our results demonstrate that studies on early life stages can reveal species-specific morphological differences in scyphozoan polyps which lack other distinct characters. The experimental results indicate that early
C. lamarckii
life stages are well adapted to environmental salinity changes and that increasing temperature due to global warming can be beneficial for their development which may support their northward distribution and increasing jellyfish populations in the Northeast Atlantic area. |
doi_str_mv | 10.1007/s00227-023-04315-z |
format | Article |
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Cyanea lamarckii
Péron and Lesueur, 1810 but not for
Cyanea capillata
(Linnaeus, 1758) from the Northeast Atlantic. Only a few planulocysts develop to polyps directly after settlement and the excystment process has not been understood in detail. By combining live observations with histological sections and scanning electron microscopy, present results clarified that the excysting
C. lamarckii
planula secretes a thin periderm stalk within the planulocyst and subsequently the polyp develops at the top of the stalk. No planulocysts but tiny periderm stalks appeared during the polyp development in
C. capillata
. Experiments with combined temperature (10, 15, 20 °C) and salinity (32, 25) treatments revealed significant effects of temperature on
C. lamarckii
planula settlement success (highest at 15 °C) and planulocyst excystment (highest at 20 °C) but no significant effects of salinity. Food supply did not affect excystment but enhanced the tentacle development of polyps. Our results demonstrate that studies on early life stages can reveal species-specific morphological differences in scyphozoan polyps which lack other distinct characters. The experimental results indicate that early
C. lamarckii
life stages are well adapted to environmental salinity changes and that increasing temperature due to global warming can be beneficial for their development which may support their northward distribution and increasing jellyfish populations in the Northeast Atlantic area.</description><identifier>ISSN: 0025-3162</identifier><identifier>EISSN: 1432-1793</identifier><identifier>DOI: 10.1007/s00227-023-04315-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Abiotic factors ; Analysis ; Behavior ; Biomedical and Life Sciences ; Climate change ; Cnidaria ; Ecosystem components ; Electron microscopy ; excystation ; Excystment ; food availability ; Food supply ; Freshwater & Marine Ecology ; genus ; Global warming ; histology ; Identification and classification ; Jellyfish blooms ; Jellyfishes ; Life Sciences ; Marine & Freshwater Sciences ; Marine biology ; Marine invertebrates ; Metamorphosis ; Microbiology ; Morphogenesis ; Oceanography ; Original Paper ; periderm ; Polyps ; Polyps (organisms) ; Salinity ; Salinity effects ; Scanning electron microscopy ; Scyphozoa ; species ; Survival ; temperature ; Temperature effects ; Tentacles ; Zoology</subject><ispartof>Marine biology, 2024, Vol.171 (1), p.6-6, Article 6</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>COPYRIGHT 2024 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c457t-df704e4c541dc439c848a578b2f4d2348ef0d5e450778b0db29093e322cc10413</citedby><cites>FETCH-LOGICAL-c457t-df704e4c541dc439c848a578b2f4d2348ef0d5e450778b0db29093e322cc10413</cites><orcidid>0000-0002-6653-2339</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00227-023-04315-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00227-023-04315-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Holst, Sabine</creatorcontrib><creatorcontrib>Kaiser, Lisa-Renana</creatorcontrib><creatorcontrib>Sötje, Ilka</creatorcontrib><title>Planula settlement and polyp morphogenesis in two bloom forming jellyfish species of the genus Cyanea Péron and Lesueur, 1810 and effects of abiotic factors on planulocysts</title><title>Marine biology</title><addtitle>Mar Biol</addtitle><description>The negative effects of scyphozoan jellyfish blooms on ecosystems and economy are linked to planula survival, settlement success and subsequent polyp metamorphosis. A particular periderm covered stage formed by the newly settled planula, the planulocyst, has been reported for
Cyanea lamarckii
Péron and Lesueur, 1810 but not for
Cyanea capillata
(Linnaeus, 1758) from the Northeast Atlantic. Only a few planulocysts develop to polyps directly after settlement and the excystment process has not been understood in detail. By combining live observations with histological sections and scanning electron microscopy, present results clarified that the excysting
C. lamarckii
planula secretes a thin periderm stalk within the planulocyst and subsequently the polyp develops at the top of the stalk. No planulocysts but tiny periderm stalks appeared during the polyp development in
C. capillata
. Experiments with combined temperature (10, 15, 20 °C) and salinity (32, 25) treatments revealed significant effects of temperature on
C. lamarckii
planula settlement success (highest at 15 °C) and planulocyst excystment (highest at 20 °C) but no significant effects of salinity. Food supply did not affect excystment but enhanced the tentacle development of polyps. Our results demonstrate that studies on early life stages can reveal species-specific morphological differences in scyphozoan polyps which lack other distinct characters. The experimental results indicate that early
C. lamarckii
life stages are well adapted to environmental salinity changes and that increasing temperature due to global warming can be beneficial for their development which may support their northward distribution and increasing jellyfish populations in the Northeast Atlantic area.</description><subject>Abiotic factors</subject><subject>Analysis</subject><subject>Behavior</subject><subject>Biomedical and Life Sciences</subject><subject>Climate change</subject><subject>Cnidaria</subject><subject>Ecosystem components</subject><subject>Electron microscopy</subject><subject>excystation</subject><subject>Excystment</subject><subject>food availability</subject><subject>Food supply</subject><subject>Freshwater & Marine Ecology</subject><subject>genus</subject><subject>Global warming</subject><subject>histology</subject><subject>Identification and classification</subject><subject>Jellyfish blooms</subject><subject>Jellyfishes</subject><subject>Life Sciences</subject><subject>Marine & Freshwater 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settlement and polyp morphogenesis in two bloom forming jellyfish species of the genus Cyanea Péron and Lesueur, 1810 and effects of abiotic factors on planulocysts</atitle><jtitle>Marine biology</jtitle><stitle>Mar Biol</stitle><date>2024</date><risdate>2024</risdate><volume>171</volume><issue>1</issue><spage>6</spage><epage>6</epage><pages>6-6</pages><artnum>6</artnum><issn>0025-3162</issn><eissn>1432-1793</eissn><abstract>The negative effects of scyphozoan jellyfish blooms on ecosystems and economy are linked to planula survival, settlement success and subsequent polyp metamorphosis. A particular periderm covered stage formed by the newly settled planula, the planulocyst, has been reported for
Cyanea lamarckii
Péron and Lesueur, 1810 but not for
Cyanea capillata
(Linnaeus, 1758) from the Northeast Atlantic. Only a few planulocysts develop to polyps directly after settlement and the excystment process has not been understood in detail. By combining live observations with histological sections and scanning electron microscopy, present results clarified that the excysting
C. lamarckii
planula secretes a thin periderm stalk within the planulocyst and subsequently the polyp develops at the top of the stalk. No planulocysts but tiny periderm stalks appeared during the polyp development in
C. capillata
. Experiments with combined temperature (10, 15, 20 °C) and salinity (32, 25) treatments revealed significant effects of temperature on
C. lamarckii
planula settlement success (highest at 15 °C) and planulocyst excystment (highest at 20 °C) but no significant effects of salinity. Food supply did not affect excystment but enhanced the tentacle development of polyps. Our results demonstrate that studies on early life stages can reveal species-specific morphological differences in scyphozoan polyps which lack other distinct characters. The experimental results indicate that early
C. lamarckii
life stages are well adapted to environmental salinity changes and that increasing temperature due to global warming can be beneficial for their development which may support their northward distribution and increasing jellyfish populations in the Northeast Atlantic area.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00227-023-04315-z</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-6653-2339</orcidid></addata></record> |
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subjects | Abiotic factors Analysis Behavior Biomedical and Life Sciences Climate change Cnidaria Ecosystem components Electron microscopy excystation Excystment food availability Food supply Freshwater & Marine Ecology genus Global warming histology Identification and classification Jellyfish blooms Jellyfishes Life Sciences Marine & Freshwater Sciences Marine biology Marine invertebrates Metamorphosis Microbiology Morphogenesis Oceanography Original Paper periderm Polyps Polyps (organisms) Salinity Salinity effects Scanning electron microscopy Scyphozoa species Survival temperature Temperature effects Tentacles Zoology |
title | Planula settlement and polyp morphogenesis in two bloom forming jellyfish species of the genus Cyanea Péron and Lesueur, 1810 and effects of abiotic factors on planulocysts |
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