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dc.contributor.authorBuñuel, Xavieres_ES
dc.contributor.authorAlcoverro, Teresaes_ES
dc.contributor.authorPagès, Jordi F.es_ES
dc.contributor.authorRomero, Javieres_ES
dc.contributor.authorRuiz-Fernández, Juan M.es_ES
dc.contributor.authorArthur, Rohanes_ES
dc.identifier.citationScientific Reports 10 : 10622 (2020)es_ES
dc.descriptionEste artículo contiene 12 páginas, 7 figuras, 2 tablas.es_ES
dc.description.abstractThe relative benefts of group foraging change as animals grow. Metabolic requirements, competitive abilities and predation risk are often allometric and infuenced by group size. How individuals optimise costs and benefts as they grow can strongly infuence consumption patterns. The shoaling fsh Sarpa salpa is the principal herbivore of temperate Posidonia oceanica seagrass meadows. We used in-situ observations to describe how ontogeny infuenced S. salpa individual feeding behaviour, shoaling behaviour and group foraging strategies, and its potential consequences to seagrass meadows. Shoaling was strongly infuenced by body length: shoals were highly length-assorted and there was a clear positive relationship between body length and shoal size. Foraging strategies changed dramatically with shoal size. Small shoals foraged simultaneously and scattered over large areas. In contrast, larger shoals (made of larger individuals) employed a potentially cooperative strategy where individuals fed rotationally and focused in smaller areas for longer times (spot feeding). Thus, as individuals grew, they increased their potential impact as well, not merely because they consumed more, but because they formed larger shoals capable of considerably concentrating their grazing within the landscape. Our results indicate that ontogenetic shifts in group foraging strategies can have large ecosystem-wide consequences when the species is an important ecosystem modifer.es_ES
dc.description.sponsorshipTe Spanish Ministry of Science funded this research through RECCAM project (CMT2013-48027-C03-R). Te Spanish National Research Council supported Rohan Arthur’s visitorship with the Memorandum of Understanding between CEAB-IMEDEA-NCF. Jordi F. Pages acknowledges fnancial support from the Welsh Government and Higher Education Funding Council for Wales through the Sȇr Cymru National Research Network for Low Carbon, Energy and Environment and from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant Agreement No 795315. Te work was supported by UMBRAL National Project CTM2017-86695-C3-3-R.es_ES
dc.publisherNature Publishing Groupes_ES
dc.relation.isversionofPublisher's versiones_ES
dc.titleThe dominant seagrass herbivore Sarpa salpa shifts its shoaling and feeding strategies as they growes_ES
dc.description.peerreviewedPeer reviewedes_ES
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