English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/167048
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Trophic interactions of the jellyfish Pelagia noctiluca in the NW Mediterranean: evidence from stable isotope signatures and fatty acid composition

AutorTilves, Uxue ; Fuentes, Veronica ; Milisenda, Giacomo; Parrish, Christopher C.; Vizzini, Salvatrice; Sabatés, Ana
Palabras claveMedusae
Fish larvae
Pelagic fish
Fecha de publicaciónmar-2018
EditorInter Research
CitaciónMarine Ecology Progress Series 591: 101-116 (2018)
ResumenJellyfish have the potential to dominate the pelagic biomass of marine ecosystems, thereby negatively affecting pelagic fish. We investigated the trophic interactions of Pelagia noctiluca (medusae and ephyrae), one of the most abundant and conspicuous jellyfish on the Catalan coast in the NW Mediterranean. A combination of stable isotope and fatty acid analyses was used to obtain a broad picture of the feeding habits of this jellyfish in order to understand its potential interactions with the most abundant fish species (larvae and adults) during the summer in the area. The results suggested that in addition to predation on fish larvae by P. noctiluca, this jellyfish had similar feeding requirements to those of most fish larvae, suggesting potential competition. The trophic niche of medusae and ephyrae overlapped highly with that of larval Engraulis encrasicolus, Trachurus mediterraneus and Sardinella aurita and to a lesser extent with that of Serranus hepatus, Sparus pagrus and Mullus barbatus. No overlap was observed with Arnoglossus sp. larvae and adult E. encrasicolus, Sardina pilchardus, T. mediterraneus and S. aurita. Our findings demonstrated that P. noctiluca could be an important predator and competitor for fish larvae, but not for adult fish. Moreover, salps were found to be a significant food source for P. noctiluca. This study provides information that should be considered in near-future ecosystem-based fishery management in regions where P. noctiluca thrives
Descripción16 pages, 5 figures, 3 tables, correction https://www.int-res.com/abstracts/meps/v591/c_p101-116/
Versión del editorhttps://doi.org/10.3354/meps12332
Aparece en las colecciones: (ICM) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Tilves_et_al_2018.pdf385,65 kBAdobe PDFVista previa
Mostrar el registro completo

Artículos relacionados:

NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.