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dc.contributor.authorChristie, Hartvig
dc.contributor.authorKraufvelin, Patrik
dc.contributor.authorKraufvelin, Lucinda
dc.contributor.authorNiemi, Niklas
dc.contributor.authorRinde, Eli
dc.date.accessioned2021-05-31T10:26:57Z
dc.date.available2021-05-31T10:26:57Z
dc.date.created2021-02-17T08:05:59Z
dc.date.issued2020
dc.identifier.citationFrontiers in Marine Science. 2020, 7, 550.en_US
dc.identifier.issn2296-7745
dc.identifier.urihttps://hdl.handle.net/11250/2757027
dc.description.abstractDespite many theories, the recent evident decreases in blue mussel (Mytilus edulis) abundance in southern Norway and western Sweden (eastern North Sea) have not yet been explained. To test the possible role of increased predation, an ongoing mesocosm experiment exploring general effects of two mesopredators on the structure of littoral macroalgal and macrofaunal communities was used. These mesopredators were the green crab (Carcinus maenas) and the goldsinny wrasse (Ctenolabrus rupestris) which were distributed in a crossed manner to 12 large mesocosms containing diverse rocky shore communities. For the purposes of this study, boulders covered with recently recruited blue mussels and barnacles (Balanus improvisus) from a natural shore were brought in to the mesocosms during two seasons (August and October), and the coverage of the animals (just blue mussels in summer, both mussels and barnacles in autumn) was registered repeatedly over 24 h. The mussels were rapidly consumed by crabs and wrasses, whereas high survival was recorded on boulders in the controls without predators. The barnacles were only eaten by the crabs and not before most of the mussels had been consumed. As both the green crab and the goldsinny wrasse have been reported to increase in abundance, probably related to overfishing of top predators, the resulting higher predation pressure on especially small blue mussels (recruits) may contribute to the mussel decline along these temperate rocky shores.en_US
dc.language.isoengen_US
dc.publisherFrontiersen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleDisappearing Blue Mussels – Can Mesopredators Be Blamed?en_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright © 2020 Christie, Kraufvelin, Kraufvelin, Niemi and Rindeen_US
dc.source.pagenumber8en_US
dc.source.volume7en_US
dc.source.journalFrontiers in Marine Scienceen_US
dc.identifier.doi10.3389/fmars.2020.00550
dc.identifier.cristin1890674
dc.source.articlenumber550en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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