“Step by step”: high frequency short-distance epizoochorous dispersal of aquatic macrophytes

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dc.contributor.author Coughlan, Neil E.
dc.contributor.author Kelly, Thomas C.
dc.contributor.author Jansen, Marcel A. K.
dc.date.accessioned 2016-11-11T12:48:32Z
dc.date.available 2016-11-11T12:48:32Z
dc.date.issued 2016-10-14
dc.identifier.citation Coughlan, N. E., Kelly, T. C. and Jansen, M. A. K. (2016) '“Step by step”: high frequency short-distance epizoochorous dispersal of aquatic macrophytes', Biological Invasions, 19(2), pp. 625-634. doi:10.1007/s10530-016-1293-0 en
dc.identifier.volume 19
dc.identifier.issued 2
dc.identifier.startpage 625
dc.identifier.endpage 634
dc.identifier.issn 1387-3547
dc.identifier.uri http://hdl.handle.net/10468/3267
dc.identifier.doi 10.1007/s10530-016-1293-0
dc.description.abstract Aquatic macrophytes can successfully colonise and re-colonise areas separated by space and time. The mechanisms underlying such “mobility” are not well understood, but it has often been hypothesised that epizoochory (external dispersal) plays an important role. Yet, there is only limited, and mostly anecdotal, evidence concerning successful epizoochorous dispersal of aquatic macrophytes, particularly in the case of short-distance dispersal. Here we examine in situ and ex situ dispersal of aquatic macrophytes, including three invasive alien species. A high frequency of Lemna minor Linnaeus dispersal was observed in situ, and this was linked to bird-mediated epizoochory. We concluded that wind had no effect on dispersal. Similarly, in an ex situ examination Lemna minuta Kunth and Azolla filiculoides Lamarck, were found to be dispersed with a high frequency by mallard ducks (Anas platyrhynchos). No dispersal was measured for Elodea nuttalli (Planchon) H. St. John. It is concluded that short-distance or “stepping-stone” dispersal via bird-mediated epizoochory can occur with high frequencies, and therefore can play an important role in facilitating colonisation, range expansion and biological invasion of macrophytes. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Springer International Publishing en
dc.rights © 2016, Springer International Publishing. This is a post-peer-review, pre-copyedit version of an article published in Biological Invasions. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10530-016-1293-0 en
dc.subject Connectivity en
dc.subject Mobile link en
dc.subject Bird-mediated en
dc.subject Stepping-stone dispersal en
dc.subject Biological invasion en
dc.subject Invasive aquatic plants en
dc.title “Step by step”: high frequency short-distance epizoochorous dispersal of aquatic macrophytes en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Thomas Kelly, Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland. +353-21-490-3000 Email: t.kelly@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2017-10-14
dc.description.version Accepted Version en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Biological Invasions en
dc.internal.IRISemailaddress t.kelly@ucc.ie
dc.internal.IRISemailaddress m.jansen@ucc.ie

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