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Multi-level phenotypic plasticity and the persistence of seagrasses along environmental gradients in a subtropical lagoon

2019-08Journal article Restricted access
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dc.contributor.authorBercovich, Manuel Vivanco
dc.contributor.authorSchubert, Nadine
dc.contributor.authorAlmeida Saa, Antonella C.
dc.contributor.authorSilva, Joao
dc.contributor.authorHorta, Paulo A.
dc.date.accessioned2020-07-24T10:51:48Z
dc.date.available2020-07-24T10:51:48Z
dc.date.issued2019-08
dc.description.abstractAs seagrasses decline worldwide, determining their phenotypic variability in response to human altered environmental factors becomes important to better understand their acclimation strategies. Many studies have reported seagrass responses to environmental gradients of single parameters, using either single or multiple metrics. However, studies of species' phenotypic variations along environmental gradients that include several environmental factors are rather scarce. In this study, we evaluated and compared the responses of Halodule wrightii and Ruppia maritima at different organizational levels (meadow/shoot, leaf and biochemical level) to key environmental factors, such as urbanization, light availability, salinity and sediment characteristics in a subtropical Brazilian coastal lagoon. Both species tolerated the variable environmental conditions across the lagoon, but showed species-specific differences in the adjustments at certain organizational levels. Halodule wrightii, an opportunistic species, expressed phenotypic responses mostly at the meadows/shoot and biochemical level, while the colonizer R. maritima exhibited phenotypic variability mostly constrained to the biochemical level. Also, determinations on a few selected meadows showed species-specific photosynthetic responses to environmental conditions. These differences might be related to the species' life history, with R. maritima performing adjustments at organizational levels with a fast response time, while the longer life span of H. wrightii makes also investments in modifications at the shoot and meadow level useful. Thus, this study demonstrates differences in seagrass acclimation strategies in response to environmental variability and, as a first study in this region, it also provides useful baseline data that will allow detecting potential changes and/or deterioration of the habitat.
dc.description.sponsorshipFAPESC
dc.description.sponsorshipFundacao Boticario
dc.description.sponsorshipRede Algas
dc.description.sponsorshipINCT Clima
dc.description.sponsorshipCAPESCAPES
dc.description.sponsorshipCNPqNational Council for Scientific and Technological Development (CNPq)
dc.description.sponsorshipCoordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES)CAPES [001]
dc.description.sponsorshipPortuguese FCT - Foundation for Science and TechnologyPortuguese Foundation for Science and Technology [UID/Multi/04326/2019]
dc.identifier.doi10.1016/j.aquabot.2019.06.003
dc.identifier.issn0304-3770
dc.identifier.issn1879-1522
dc.identifier.urihttp://hdl.handle.net/10400.1/14273
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.subjectHalodule-wrightii aschers
dc.subjectCymodocea-nodosa
dc.subjectSeasonal growth
dc.subjectZostera-marina
dc.subjectCoastal
dc.subjectIndicators
dc.subjectNutrients
dc.subjectBiomass
dc.subjectLight
dc.subjectBioindicators
dc.titleMulti-level phenotypic plasticity and the persistence of seagrasses along environmental gradients in a subtropical lagoon
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage32
oaire.citation.startPage24
oaire.citation.titleAquatic Botany
oaire.citation.volume157
person.familyNameSchubert
person.givenNameNadine
person.identifierC-6179-2009
person.identifier.ciencia-id681C-F6E1-C2FD
person.identifier.orcid0000-0001-7161-7882
person.identifier.scopus-author-id15623791900
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication9ab23589-6456-42a6-8b08-4aa40d690330
relation.isAuthorOfPublication.latestForDiscovery9ab23589-6456-42a6-8b08-4aa40d690330

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