Multi-generational dispersal and dynamic patch occupancy reveals spatial and temporal stability of seascapes

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dc.contributor.authorClubley, Charlotte H.en
dc.contributor.authorSilva, Tiago A. M.en
dc.contributor.authorWood, Louisa E.en
dc.contributor.authorFirth, Louise B.en
dc.contributor.authorBilton, David T.en
dc.contributor.authorO'Dea, Endaen
dc.contributor.authorKnights, Antony M.en
dc.contributor.funderCentre for Environment, Fisheries and Aquaculture Scienceen
dc.contributor.funderSchool of Biological and Marine Sciences, University of Plymouthen
dc.date.accessioned2024-09-16T15:03:13Z
dc.date.available2024-09-16T15:03:13Z
dc.date.issued2024-09-03en
dc.description.abstractThe success of non-native species (NNS) invasions depends on patterns of dispersal and connectivity, which underpin genetic diversity, population establishment and growth. In the marine environment, both global environmental change and increasing anthropogenic activity can alter hydrodynamic patterns, leading to significant inter-annual variability in dispersal pathways. Despite this, multi-generational dispersal is rarely explicitly considered in attempts to understand NNS spread or in the design of management interventions. Here, we present a novel approach to quantifying species spread that considers range expansion and network formation across time using the non-native Pacific oyster, Magallana gigas (Thunberg 1793), as a model. We combined biophysical modelling, dynamic patch occupancy models, consideration of environmental factors, and graph network theory to model multi-generational dispersal in northwest Europe over 13 generations. Results revealed that M. gigas has a capacity for rapid range expansion through the creation of an ecological network of dispersal pathways that remains stable through time. Maximum network size was achieved in four generations, after which connectivity patterns remained temporally stable. Multi-generational connectivity could therefore be divided into two periods: network growth (2000−2003) and network stability (2004–2012). Our study is the first to examine how dispersal trajectories affect the temporal stability of ecological networks across biogeographic scales, and provides an approach for the assignment of site-based prioritisation of non-native species management at different stages of the invasion timeline. More broadly, the framework we present can be applied to other fields (e.g. Marine Protected Area design, management of threatened species and species range expansion due to climate change) as a means of characterising and defining ecological network structure, functioning and stability.en
dc.description.sponsorshipCentre for Environment, Fisheries and Aquaculture Science (CASE studentship)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid175762en
dc.identifier.citationClubley, C. H., Silva, T. A., Wood, L. E., Firth, L. B., Bilton, D. T., O'Dea, E. and Knights, A. M. (2024) 'Multi-generational dispersal and dynamic patch occupancy reveals spatial and temporal stability of seascapes', Science of the Total Environment, 952, p.175762 (14pp). https://doi.org/10.1016/j.scitotenv.2024.175762en
dc.identifier.doi10.1016/j.scitotenv.2024.175762en
dc.identifier.endpage14en
dc.identifier.issn0048-9697en
dc.identifier.journaltitleScience of the Total Environmenten
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/16369
dc.identifier.volume952en
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.ispartofScience of the Total Environmenten
dc.rights© 2024, the Authors. Published by Elsevier B.V. This is an open access article under the Open Government License (OGL). Contains public sector information licensed under the Open Government Licence v3.0.en
dc.rights.urihttp://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/en
dc.subjectLarval dispersalen
dc.subjectConnectivityen
dc.subjectBiophysical modellingen
dc.subjectGraph theoryen
dc.subjectInvasive speciesen
dc.subjectMagallana gigasen
dc.titleMulti-generational dispersal and dynamic patch occupancy reveals spatial and temporal stability of seascapesen
dc.typeArticle (peer-reviewed)en
oaire.citation.volume952en
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