Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations
9 pages, 4 figures, 3 tables
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Stazione Zoologica di Napoli
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| Subjects: | Blooms, Budding, Invasion, Jellyfish, Scyphomedusae, Strobilation, |
| Online Access: | http://hdl.handle.net/10261/127295 http://dx.doi.org/10.13039/501100002809 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100000780 |
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dig-icm-es-10261-1272952018-08-22T10:59:01Z Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations Pascual, María Fuentes, Veronica Canepa, Antonio Atienza, Dacha Gili, Josep Maria Purcell, Jennifer E. Generalitat de Catalunya Consejo Superior de Investigaciones Científicas (España) European Commission Blooms Budding Invasion Jellyfish Scyphomedusae Strobilation 9 pages, 4 figures, 3 tables Massive occurrences of jellyfish can cause direct impacts on the economy, especially on tourism and commercial fisheries. Translocation of jellyfish species by humans has caused damaging blooms in new habitats. Aurelia aurita s.l. has been introduced in many locations around the world. To test the potential success of Au. aurita s.l. in various habitats, scyphistomae from different climatic locations (Mediterranean, Red and Baltic Seas) were cultured individually for 201 days at three temperatures (14, 21 and 28 °C) with the same salinity, food and light. We tested the null hypotheses that there were no differences in survival or asexual reproduction (budding and strobilation) amongst populations [native (Mediterranean) and exotic (Red and Baltic)]. Survival of the three scyphistoma populations did not differ significantly across temperatures; however, the Red Sea group had lower survival at all temperatures than did the other populations. Most individuals strobilated at 14 °C. Red Sea scyphistomae strobilated more quickly than Baltic and Mediterranean Sea scyphistomae and produced the fewest ephyrae, whereas Baltic Sea scyphistomae produced the most. Our results indicate that Au. aurita from the Baltic or Red Seas introduced into the Northwest Mediterranean Sea would potentially persist and successfully asexually reproduce there. A new invader could even have greater asexual production than the local Au. aurita s.l. Establishment of the invaders could increase genetic variation of subsequent generations and increase their adaptability to environmental changes. Our results suggest that introduction of exotic Au. aurita s.l. populations could increase jellyfish blooms in the Mediterranean Sea We thank the Catalan Water Agency (ACA) for funding the Medusa Project. [...] A. Canepa was funded by the CONICYT (PFCHA/Doctorado al Extranjero 4ª Convocatoria, 72120016. Verónica Fuentes was funded by a JAE-DOC contract of CSIC co-financed by the FSE (European Social Fund) Peer Reviewed 2015-12 2016-01-05T09:35:49Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1111/maec.12196 issn: 0173-9565 e-issn: 1439-0485 Marine Ecology 36(4): 994-1002 (2015) http://hdl.handle.net/10261/127295 10.1111/maec.12196 http://dx.doi.org/10.13039/501100002809 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.1111/maec.12196 Sí none Stazione Zoologica di Napoli |
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Blooms Budding Invasion Jellyfish Scyphomedusae Strobilation Blooms Budding Invasion Jellyfish Scyphomedusae Strobilation |
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Blooms Budding Invasion Jellyfish Scyphomedusae Strobilation Blooms Budding Invasion Jellyfish Scyphomedusae Strobilation Pascual, María Fuentes, Veronica Canepa, Antonio Atienza, Dacha Gili, Josep Maria Purcell, Jennifer E. Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations |
| description |
9 pages, 4 figures, 3 tables |
| author2 |
Generalitat de Catalunya |
| author_facet |
Generalitat de Catalunya Pascual, María Fuentes, Veronica Canepa, Antonio Atienza, Dacha Gili, Josep Maria Purcell, Jennifer E. |
| format |
artículo |
| topic_facet |
Blooms Budding Invasion Jellyfish Scyphomedusae Strobilation |
| author |
Pascual, María Fuentes, Veronica Canepa, Antonio Atienza, Dacha Gili, Josep Maria Purcell, Jennifer E. |
| author_sort |
Pascual, María |
| title |
Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations |
| title_short |
Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations |
| title_full |
Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations |
| title_fullStr |
Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations |
| title_full_unstemmed |
Temperature effects on asexual reproduction of the scyphozoan Aurelia aurita s.l.: differences between exotic (Baltic and Red seas) and native (Mediterranean Sea) populations |
| title_sort |
temperature effects on asexual reproduction of the scyphozoan aurelia aurita s.l.: differences between exotic (baltic and red seas) and native (mediterranean sea) populations |
| publisher |
Stazione Zoologica di Napoli |
| url |
http://hdl.handle.net/10261/127295 http://dx.doi.org/10.13039/501100002809 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100000780 |
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