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dc.contributor.authorGuy-Haim, Tamar
dc.contributor.authorLyons, Devin A.
dc.contributor.authorKotta, Jonne
dc.contributor.authorOjaveer, Henn
dc.contributor.authorQueirós, Ana M.
dc.contributor.authorChatzinikolaou, Eva
dc.contributor.authorArvanitidis, Christos
dc.contributor.authorComo, Serena
dc.contributor.authorMagni, Paolo
dc.contributor.authorBlight, Andrew J.
dc.contributor.authorOrav-Kotta, Helen
dc.contributor.authorSomerfield, Paul J.
dc.contributor.authorCrowe, Tasman P.
dc.contributor.authorRilov, Gil
dc.identifier.citationGuy-Haim , T , Lyons , D A , Kotta , J , Ojaveer , H , Queirós , A M , Chatzinikolaou , E , Arvanitidis , C , Como , S , Magni , P , Blight , A J , Orav-Kotta , H , Somerfield , P J , Crowe , T P & Rilov , G 2018 , ' Diverse effects of invasive ecosystem engineers on marine biodiversity and ecosystem functions : a global review and meta-analysis ' , Global Change Biology , vol. 24 , no. 3 , pp. 906-924 .
dc.identifier.otherPURE: 252004644
dc.identifier.otherPURE UUID: abf610fa-4c4f-4bb5-a124-7a91af529d1a
dc.identifier.otherBibtex: urn:49e56ac4dcffd2ba3696a855aa0f2f3c
dc.identifier.otherScopus: 85040026161
dc.identifier.otherWOS: 000425396700006
dc.identifier.otherORCID: /0000-0002-9665-8813/work/76386976
dc.descriptionThis research was funded by the EU Seventh Framework Programme for research, technological development and demonstration (FP7/2007-2013) within the Ocean of Tomorrow call under Grant Agreement No.266445 for the project Vectors of Change in Oceans and Seas Marine Life (VECTORS). AMQ and PJS acknowledge support from the UK Natural Environment Research Council and Department for Environment, Food and Rural Affairs [grant number NE/L003279/1, Marine Ecosystems Research Programme]. HO and JK were partly funded by the Estonian Ministry of Education and Research (grant SF0180005s10) and the Estonian Research Council (IUT02-20).en
dc.description.abstractInvasive ecosystem engineers (IEE) are potentially one of the most influential types of biological invaders. They are expected to have extensive ecological impacts by altering the physical-chemical structure of ecosystems, thereby changing the rules of existence for a broad range of resident biota. To test the generality of this expectation, we used a global systematic review and meta-analysis to examine IEE effects on the abundance of individual species and communities, biodiversity (using several indices) and ecosystem functions, focusing on marine and estuarine environments. We found that IEE had a significant effect (positive and negative) in most studies testing impacts on individual species, but the overall (cumulative) effect size was small and negative. Many individual studies showed strong IEE effects on community abundance and diversity, but the direction of effects was variable, leading to statistically non-significant overall effects in most categories. In contrast, there was a strong overall effect on most ecosystem functions we examined. IEE negatively affected metabolic functions and primary production, but positively affected nutrient flux, sedimentation and decomposition. We use the results to develop a conceptual model by highlighting pathways whereby IEE impact communities and ecosystem functions, and identify several sources of research bias in the IEE-related invasion literature. Only a few of the studies simultaneously quantified IEE effects on community/diversity and ecosystem functions. Therefore, understanding how IEE may alter biodiversity-function relationships should be a primary focus of future studies of invasion biology. Moreover, the clear effects of IEE on ecosystem functions detected in our study suggest that scientists and environmental managers ought to examine how the effects of IEE might be manifested in the services that marine ecosystems provide to humans.
dc.relation.ispartofGlobal Change Biologyen
dc.rights© 2017 John Wiley & Sons Ltd. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at:
dc.subjectBiodiversity-ecosystem functioningen
dc.subjectBiological diversityen
dc.subjectEcosystem engineersen
dc.subjectNutrient fluxen
dc.subjectPrimary productionen
dc.subjectSystematic reviewen
dc.subjectQH301 Biologyen
dc.subjectSDG 14 - Life Below Wateren
dc.titleDiverse effects of invasive ecosystem engineers on marine biodiversity and ecosystem functions : a global review and meta-analysisen
dc.typeJournal articleen
dc.contributor.sponsorEuropean Commissionen
dc.contributor.institutionUniversity of St Andrews. School of Biologyen
dc.contributor.institutionUniversity of St Andrews. Sediment Ecology Research Groupen
dc.contributor.institutionUniversity of St Andrews. Scottish Oceans Instituteen
dc.description.statusPeer revieweden

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