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Sea urchin grazing preferences on native and non-native macroalgae

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dc.contributor.authorCardoso, André C.
dc.contributor.authorArenas, Francisco
dc.contributor.authorSousa-Pinto, Isabel
dc.contributor.authorBarreiro, Aldo
dc.contributor.authorFranco, Joao N
dc.date.accessioned2020-08-17T09:49:38Z
dc.date.available2020-08-17T09:49:38Z
dc.date.issued2020
dc.descriptionThis research was supported by the Portuguese project SEEINGSHORE (NORTE-01-0145-FEDER-031893), co-financed by NORTE 2020, Portugal 2020, and the European Union through the ERDF, and by FCT through national funds and received additional funding from the project MarInfo - Integrated Platform for Marine Data Acquisition and Analysis (reference NORTE-01-0145-FEDER-000031), supported by North Portugal Regional Operational Programme (NORTE 2020), under the PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund (ERDF). João N. Franco was supported by a FCT PhD Grant (SFRH/BD/84933/2012).pt_PT
dc.description.abstractHerbivory plays a major role in shaping community dynamics across freshwater, marine and terrestrial habitats, by controlling patterns of abundance and distribution of primary producers, including seaweeds. In the context of biological invasions, the proliferation of non-native seaweeds has been often attributed to limited grazing by native herbivores on introduced species (“Enemy Release Hypothesis”, ERH). In our study, we aimed to explore the potential of an abundant generalist herbivore (the sea urchin Paracentrotus lividus) to graze on non-native in comparison to native macroalgae species. For this purpose, we used manipulative experiments to assess sea urchin preference on native and non-native seaweed species present in the northwest coast of Portugal. Specifically, we determined the preferences of P. lividus on brown seaweeds i.e. Laminaria ochroleuca, Saccorhiza polyschides and the non-native Undaria pinnatifida, and red seaweeds i.e. Chondrus crispus, Mastocarpus stellatus and the non-native Grateloupia turuturu. For each group of seaweed species, sea urchin preference and biomass consumption were examined. The nutritional (organic carbon and nitrogen) and chemical (phenolic content) features were also analysed, in order to assess their effect on sea urchin feeding. According to the results, P. lividus did not show a specific preference for any of the different seaweeds of each phylum. These results suggest that P. lividus is a generalist herbivore, not exerting a differential grazing pressure on non-native seaweeds when compared to native ones.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCardoso, A., Arenas, F., Sousa-Pinto, I., Barreiro, A. & Franco, J.N. (2020). Sea urchin grazing preferences on native and non-native macroalgae. Ecological Indicators. 111. 10.1016/j.ecolind.2019.106046.pt_PT
dc.identifier.doi10.1016/j.ecolind.2019.106046pt_PT
dc.identifier.issn1470-160X
dc.identifier.urihttp://hdl.handle.net/10400.8/5085
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectHerbivorypt_PT
dc.subjectFeeding preferencept_PT
dc.subjectParacentrotus lividuspt_PT
dc.subjectSeaweedspt_PT
dc.subjectBiological invasionpt_PT
dc.titleSea urchin grazing preferences on native and non-native macroalgaept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F84933%2F2012/PT
oaire.citation.titleEcological Indicatorspt_PT
oaire.citation.volume111pt_PT
oaire.fundingStreamSFRH
person.familyNameFranco
person.givenNameJoao N
person.identifier153718
person.identifier.ciencia-id7E1B-4C01-D6BC
person.identifier.orcid0000-0002-8249-5224
person.identifier.scopus-author-id36903257100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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