High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales
11 pages, 6 figures, 4 tables.-- This study is a contribution of the Marine Biodiversity Conservation Group (MEDRECOVER) 2014SGR-1297 and the Ecology of Marine Communities Group (2014SGR-1364) at the Institut de Ciències del Mar-CSIC
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Consejo Superior de Investigaciones Científicas (España)
2016-12
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| Subjects: | Siphonophorae, Hydromedusae, Muggiaea atlantica, Mesoscale, NW Mediterranean, Meso-escala, Mediterráneo noroccidental, Northwestern Mediterranean, Aglaura hemistoma, |
| Online Access: | http://hdl.handle.net/10261/143027 http://dx.doi.org/10.13039/501100000780 |
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dig-icm-es-10261-1430272020-12-10T15:38:33Z High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales Alta heterogeneidad espacial de dos especies de cnidarios planctónicos en relación a la variabilidad a corta escala temporal de un frente plataforma-talud Guerrero, Elena Marrodán Pellicer, Anna Sabatés, Ana Orejas, Covadonga Gili, Josep Maria European Commission Siphonophorae Hydromedusae Muggiaea atlantica Mesoscale NW Mediterranean Meso-escala Mediterráneo noroccidental Northwestern Mediterranean Aglaura hemistoma 11 pages, 6 figures, 4 tables.-- This study is a contribution of the Marine Biodiversity Conservation Group (MEDRECOVER) 2014SGR-1297 and the Ecology of Marine Communities Group (2014SGR-1364) at the Institut de Ciències del Mar-CSIC [EN] We investigated the variability in the mesoscale distribution of the siphonophore Muggiaea atlantica and the hydromedusa Aglaura hemistoma in relation to the rapid spatial oscillations of the shelf-slope front off the Catalan coast (NW Mediterranean). Three extensive surveys were carried out in spring at ten-day intervals. High variability in the position of the front resulted from the advection of low-salinity waters originating in the Gulf of Lions, mainly from the Rhône River runoff. High spatial variability in the distribution of the two species was closely related to the shifting positions of the front. Both species occurred on its inshore side in much higher abundances than on its offshore side, where they were scarce or absent. The front acts as a barrier limiting offshore displacement of these two cnidarians. Statistical analyses showed that bottom depth and salinity, as independent variables, were indicators of the signature and position of the front, explaining most of the variance in the distribution and abundance of the two species [ES] La variabilidad en la distribución de meso-escala del sifonóforo Muggiaea atlantica y la hidromedusa Aglaura hemistoma se investigó en relación a las rápidas oscilaciones espaciales del frente plataforma-talud en la costa Catalana (Mediterráneo noroccidental). Durante la primavera, se realizaron tres campañas oceanográficas intensivas, distanciadas 10 días entre sí. La alta variabilidad en la posición del frente fue resultado de la advección de aguas de baja salinidad procedentes del Golfo de León, al norte del área de estudio, debido principalmente a los aportes del río Ródano. La alta variabilidad espacial observada en la distribución de las dos especies estuvo muy relacionada con la posición cambiante del frente. Ambas fueron mucho más abundantes en el lado costero que en el lado oceánico del frente, donde éstas fueron muy escasas o incluso ausentes. El frente actúa como una barrera limitando el desplazamiento hacia mar abierto de estos dos cnidarios. Los análisis estadísticos realizados mostraron que la profundidad y salinidad, como variables independientes, fueron indicadoras de la señal y la posición del frente, explicando la mayor parte de la varianza de la distribución y abundancia de ambas especies This study was partially supported by the EU Project VECTORS (FP7 OCEAN-2010, 266445) and the Spanish project FISHJELLY (MAR-CTM2010-18875). Peer Reviewed 2017-01-26T10:00:53Z 2017-01-26T10:00:53Z 2016-12 2017-01-26T10:00:53Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.3989/scimar.04452.03A issn: 0214-8358 e-issn: 1886-8134 Scientia Marina 80(4): 487-497 (2016) http://hdl.handle.net/10261/143027 10.3989/scimar.04452.03A http://dx.doi.org/10.13039/501100000780 #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/266445 Publisher's version http://dx.doi.org/10.3989/scimar.04452.03A Sí open Consejo Superior de Investigaciones Científicas (España) |
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Siphonophorae Hydromedusae Muggiaea atlantica Mesoscale NW Mediterranean Meso-escala Mediterráneo noroccidental Northwestern Mediterranean Aglaura hemistoma Siphonophorae Hydromedusae Muggiaea atlantica Mesoscale NW Mediterranean Meso-escala Mediterráneo noroccidental Northwestern Mediterranean Aglaura hemistoma |
| spellingShingle |
Siphonophorae Hydromedusae Muggiaea atlantica Mesoscale NW Mediterranean Meso-escala Mediterráneo noroccidental Northwestern Mediterranean Aglaura hemistoma Siphonophorae Hydromedusae Muggiaea atlantica Mesoscale NW Mediterranean Meso-escala Mediterráneo noroccidental Northwestern Mediterranean Aglaura hemistoma Guerrero, Elena Marrodán Pellicer, Anna Sabatés, Ana Orejas, Covadonga Gili, Josep Maria High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| description |
11 pages, 6 figures, 4 tables.-- This study is a contribution of the Marine Biodiversity Conservation Group (MEDRECOVER) 2014SGR-1297 and the Ecology of Marine Communities Group (2014SGR-1364) at the Institut de Ciències del Mar-CSIC |
| author2 |
European Commission |
| author_facet |
European Commission Guerrero, Elena Marrodán Pellicer, Anna Sabatés, Ana Orejas, Covadonga Gili, Josep Maria |
| format |
artículo |
| topic_facet |
Siphonophorae Hydromedusae Muggiaea atlantica Mesoscale NW Mediterranean Meso-escala Mediterráneo noroccidental Northwestern Mediterranean Aglaura hemistoma |
| author |
Guerrero, Elena Marrodán Pellicer, Anna Sabatés, Ana Orejas, Covadonga Gili, Josep Maria |
| author_sort |
Guerrero, Elena |
| title |
High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| title_short |
High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| title_full |
High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| title_fullStr |
High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| title_full_unstemmed |
High spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| title_sort |
high spatial heterogeneity of two planktonic cnidarian species related to the variability of a shelf-slope front at short time scales |
| publisher |
Consejo Superior de Investigaciones Científicas (España) |
| publishDate |
2016-12 |
| url |
http://hdl.handle.net/10261/143027 http://dx.doi.org/10.13039/501100000780 |
| work_keys_str_mv |
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