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Responses to Increased Salinity and Severe Drought in the Eastern Iberian Endemic Species Thalictrum maritimum (Ranunculaceae), Threatened by Climate Change

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Responses to Increased Salinity and Severe Drought in the Eastern Iberian Endemic Species Thalictrum maritimum (Ranunculaceae), Threatened by Climate Change

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dc.contributor.author González-Orenga, Sara es_ES
dc.contributor.author Trif, Calin es_ES
dc.contributor.author Donat-Torres, Maria P. es_ES
dc.contributor.author Llinares Palacios, Josep Vicent es_ES
dc.contributor.author Collado, Francisco es_ES
dc.contributor.author Ferrer-Gallego, P. Pablo es_ES
dc.contributor.author Laguna, Emilio es_ES
dc.contributor.author Boscaiu, Monica es_ES
dc.contributor.author Vicente, Oscar es_ES
dc.date.accessioned 2021-05-28T03:32:34Z
dc.date.available 2021-05-28T03:32:34Z
dc.date.issued 2020-10 es_ES
dc.identifier.uri http://hdl.handle.net/10251/166898
dc.description.abstract [EN] Thalictrum maritimum is an endangered, endemic species in East Spain, growing in areas of relatively low salinity in littoral salt marshes. A regression of its populations and the number of individuals has been registered in the last decade. This study aimed at establishing the causes of this reduction using a multidisciplinary approach, including climatic, ecological, physiological and biochemical analyses. The climatic data indicated that there was a direct negative correlation between increased drought, especially during autumn, and the number of individuals censused in the area of study. The susceptibility of this species to water deficit was confirmed by the analysis of growth parameters upon a water deficit treatment applied under controlled greenhouse conditions, with the plants withstanding only 23 days of complete absence of irrigation. On the other hand, increased salinity does not seem to be a risk factor for this species, which behaves as a halophyte, tolerating in controlled treatments salinities much higher than those registered in its natural habitat. The most relevant mechanisms of salt tolerance in T. maritimum appear to be based on the control of ion transport, by (i) the active transport of toxic ions to the aerial parts of the plants at high external salinity¿where they are presumably stored in the leaf vacuoles to avoid their deleterious effects in the cytosol, (ii) the maintenance of K+ concentrations in belowground and aboveground organs, despite the increase of Na+ levels, and (iii) the salt-induced accumulation of Ca2+, particularly in stems and leaves. This study provides useful information for the management of the conservation plans of this rare and endangered species. es_ES
dc.description.sponsorship This research was funded by GENERALITAT VALENCIANA, grant number AICO/2017/039, to M. Boscaiu. es_ES
dc.language Inglés es_ES
dc.publisher MDPI es_ES
dc.relation.ispartof Plants es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Endangered species es_ES
dc.subject Water deficit es_ES
dc.subject Salt stress es_ES
dc.subject Halophytes es_ES
dc.subject Climate analysis es_ES
dc.subject Soil analysis es_ES
dc.subject Plant growth analysis es_ES
dc.subject Biochemical parameters es_ES
dc.subject Biodiversity es_ES
dc.subject Conservation programmes es_ES
dc.subject.classification BOTANICA es_ES
dc.subject.classification BIOQUIMICA Y BIOLOGIA MOLECULAR es_ES
dc.subject.classification EDAFOLOGIA Y QUIMICA AGRICOLA es_ES
dc.title Responses to Increased Salinity and Severe Drought in the Eastern Iberian Endemic Species Thalictrum maritimum (Ranunculaceae), Threatened by Climate Change es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/plants9101251 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//AICO%2F2017%2F039/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Conservación y Mejora de la Agrodiversidad Valenciana - Institut Universitari de Conservació i Millora de l'Agrodiversitat Valenciana es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Biotecnología - Departament de Biotecnologia es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ecosistemas Agroforestales - Departament d'Ecosistemes Agroforestals es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation González-Orenga, S.; Trif, C.; Donat-Torres, MP.; Llinares Palacios, JV.; Collado, F.; Ferrer-Gallego, PP.; Laguna, E.... (2020). Responses to Increased Salinity and Severe Drought in the Eastern Iberian Endemic Species Thalictrum maritimum (Ranunculaceae), Threatened by Climate Change. Plants. 9(10):1-24. https://doi.org/10.3390/plants9101251 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/plants9101251 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 24 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 9 es_ES
dc.description.issue 10 es_ES
dc.identifier.eissn 2223-7747 es_ES
dc.identifier.pmid 32977553 es_ES
dc.identifier.pmcid PMC7598256 es_ES
dc.relation.pasarela S\418536 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
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