Large-scale facilitation of a sessile community by an invasive habitat-forming snail

Jakob Thyrring, Mads Solgaard Thomsen, Thomas Wernberg

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisLetterpeer review

12 Citationer (Scopus)

Abstract

Abstract We provide an example of extensive facilitation of a sessile community throughout an invaded estuary by the invasive snail Batillaria australis. We show that B. australis greatly increases a limiting resource (attachment space) to a community of sessile organisms and estimate that a large part of the invaded estuary now contain ca. 50 times more sessile individuals associated with the invader than all native snails combined. We argue that native snails are unlikely to have been dramatically reduced by the invader, and we therefore suggest that the shell-attached sessile community, as a functional group, has benefitted
significantly from this invasion. These results expand the current understanding of how invaded marine systems respond to habitat-forming invaders.
OriginalsprogEngelsk
TidsskriftHelgoland Marine Research
Vol/bind67
Nummer4
Sider (fra-til)789-794
Antal sider6
ISSN1438-387X
DOI
StatusUdgivet - 2013

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