Experimenting with ecosystem interaction networks in search of threshold potentials in real-world marine ecosystems

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dc.contributor.authorThrush, Simon F.
dc.contributor.authorHewitt, Judi E.
dc.contributor.authorParkes, Samantha Maree
dc.contributor.authorLohrer, Andrew M.
dc.contributor.authorPilditch, Conrad A.
dc.contributor.authorWoodin, Sarah A.
dc.contributor.authorWethey, David S.
dc.contributor.authorChiantore, Mariachiara
dc.contributor.authorAsnaghi, Valentina
dc.contributor.authorDe Juan, Silva
dc.contributor.authorKraan, Casper
dc.contributor.authorRodil, Ivan
dc.contributor.authorSavage, Candida
dc.contributor.authorVan Colen, Carl
dc.date.accessioned2014-12-11T20:32:25Z
dc.date.available2014
dc.date.available2014-12-11T20:32:25Z
dc.date.issued2014
dc.description.abstractThresholds profoundly affect our understanding and management of ecosystem dynamics, but we have yet to develop practical techniques to assess the risk that thresholds will be crossed. Combining ecological knowledge of critical system interdependencies with a large-scale experiment, we tested for breaks in the ecosystem interaction network to identify threshold potential in real-world ecosystem dynamics. Our experiment with the bivalves Macomona liliana and Austrovenus stutchburyi on marine sandflats in New Zealand demonstrated that reductions in incident sunlight changed the interaction network between sediment biogeochemical fluxes, productivity, and macrofauna. By demonstrating loss of positive feedbacks and changes in the architecture of the network, we provide mechanistic evidence that stressors lead to break points in dynamics, which theory predicts predispose a system to a critical transition.
dc.format.mimetypeapplication/pdf
dc.identifier.citationThrush, S. F., Hewitt, J. E., Parkes, S. M., Lohrer, A. M., Pilditch, C. A., Woodin, S. A., … Van Colen, C. (2014). Experimenting with ecosystem interaction networks in search of threshold potentials in real-world marine ecosystems. Ecology, 95(6), 1451–1457. http://doi.org/10.1890/13-1879.1en
dc.identifier.doi10.1890/13-1879.1
dc.identifier.issn1939-9170
dc.identifier.urihttps://hdl.handle.net/10289/8953
dc.language.isoen
dc.publisherEcological Society of America
dc.relation.isPartOfEcology
dc.rights© 2014 The Authors. Paper published under the terms of the Creative Commons Attribution License.
dc.subjectAustrovenus stutchburyi
dc.subjectbifurcations
dc.subjectbivalves
dc.subjectbreak points
dc.subjectecosystem dynamics
dc.subjectMacomona liliana
dc.subjectManukau Harbour
dc.subjectNew Zealand
dc.subjectmarine sandflats
dc.subjectthresholds
dc.subjectturbidity
dc.titleExperimenting with ecosystem interaction networks in search of threshold potentials in real-world marine ecosystems
dc.typeJournal Article
pubs.begin-page1451
pubs.elements-id84867
pubs.end-page1457
pubs.issue6
pubs.notesEBSCOhost confirms peer reviewed
pubs.organisational-group/Waikato
pubs.organisational-group/Waikato/FSEN
pubs.organisational-group/Waikato/FSEN/School of Science
pubs.organisational-group/Waikato/FSEN/School of Science/Biological Sciences
pubs.volume95
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