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Weather and topography regulate the benefit of a conditionally helpful parasite

2021Journal article Restricted
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dc.contributor.authorMonsinjon, Jonathan R.
dc.contributor.authorMcQuaid, Christopher D.
dc.contributor.authorNicastro, Katy
dc.contributor.authorSeuront, Laurent
dc.contributor.authorOróstica, Mauricio H.
dc.contributor.authorZardi, Gerardo I.
dc.date.accessioned2022-01-04T12:15:28Z
dc.date.available2022-01-04T12:15:28Z
dc.date.issued2021
dc.description.abstractHeat-induced mass mortalities involving ecosystem engineers may have long-lasting detrimental effects at the community level, eliminating the ecosystem services they provide. Intertidal mussels are ecologically and economically valuable with some populations facing unprecedented heat-induced mass mortalities. Critically, mussels are also frequently infested by endolithic parasites that modify shell albedo, hence reducing overheating and mortality rates under heat stress. Using a biophysical model, we explored the topographical and meteorological conditions under which endolithically driven thermal buffering becomes critical to survival. Based on meteorological data from a global climate analysis, we modelled body temperatures of infested and non-infested mussels over the last decade (2010-2020) at nine sites spread across c. 20 degrees of latitude. We show that thermal buffering is enhanced where and when heat stress is greatest, that is, on sun-exposed surfaces under high solar radiation and high air temperature. These results suggest that new co-evolutionary pathways are likely to open for these symbiotic organisms as climate continues to change, potentially tipping the balance of the relationship from a parasitic to a more mutualistic one. However, endolithically driven reductions in body temperatures can also occur at or below optimal temperatures, thereby reducing the host's metabolic rates and making the interplay of positive and negative effects complex. In parallel, we hindcasted body temperatures using empirical data from nearby weather stations and found that predictions were very similar with those obtained from two global climate reanalyses (i.e. NCEP-DOE Reanalysis 2 and ECMWF Reanalysis v5). This result holds great promise for modelling the distribution of terrestrial ectotherms at ecologically relevant spatiotemporal scales, as it suggests we can reasonably bypass the practical issues associated with weather stations. For intertidal ectotherms, however, the challenge will be incorporating body temperatures over the full tidal cycle.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1111/1365-2435.13939pt_PT
dc.identifier.issn0269-8463
dc.identifier.urihttp://hdl.handle.net/10400.1/17421
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBritish Ecological Societypt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.subjectBiophysicspt_PT
dc.subjectEctothermpt_PT
dc.subjectHeatwavept_PT
dc.subjectMicrohabitatpt_PT
dc.subjectMusselpt_PT
dc.subjectMutualismpt_PT
dc.subjectSymbiotic relationshippt_PT
dc.subjectTemperaturept_PT
dc.titleWeather and topography regulate the benefit of a conditionally helpful parasitept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.citation.endPage2706pt_PT
oaire.citation.issue12pt_PT
oaire.citation.startPage2691pt_PT
oaire.citation.titleFunctional Ecologypt_PT
oaire.citation.volume35pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameNicastro
person.givenNameKaty
person.identifier.ciencia-id3E12-714B-AFE5
person.identifier.orcid0000-0002-7071-141X
person.identifier.ridD-2259-2012
person.identifier.scopus-author-id12646675100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6268844a-b0a2-4aa5-9616-c3afaba0e2ca
relation.isAuthorOfPublication.latestForDiscovery6268844a-b0a2-4aa5-9616-c3afaba0e2ca
relation.isProjectOfPublicationfafa76a6-2cd2-4a6d-a3c9-772f34d3b91f
relation.isProjectOfPublication.latestForDiscoveryfafa76a6-2cd2-4a6d-a3c9-772f34d3b91f

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