Drought stress triggers differential survival and functional trait responses in the establishment of Arnica montana seedlings

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dc.date.accessioned2021-11-08T10:24:08Z
dc.date.available2021-11-08T10:24:08Z
dc.date.issued2021-07-15
dc.description.sponsorshipGefördert im Rahmen des Projekts DEALger
dc.description.sponsorshipDeutsche Bundesstiftung Umwelt. Grant Number: 20016/464
dc.identifierdoi:10.17170/kobra-202111015003
dc.identifier.urihttp://hdl.handle.net/123456789/13364
dc.language.isoengeng
dc.relation.doidoi:10.1111/plb.13306
dc.relation.projectidGrant Number: 20016/464
dc.rightsNamensnennung-Nicht-kommerziell 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectArnica montanaeng
dc.subjectclimate changeeng
dc.subjectdroughteng
dc.subjectplant functional traitseng
dc.subjectseedling developmenteng
dc.subjectseedling establishmenteng
dc.subjectsenescenceeng
dc.subjectspecies survivaleng
dc.subject.ddc580
dc.subject.swdArnikager
dc.subject.swdKlimaänderungger
dc.subject.swdDürreger
dc.subject.swdPflanzenökologieger
dc.subject.swdSetzlingger
dc.subject.swdPflanzenvermehrungger
dc.subject.swdAlternger
dc.subject.swdArtenschutzger
dc.subject.swdStressreaktionger
dc.titleDrought stress triggers differential survival and functional trait responses in the establishment of Arnica montana seedlingseng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstract- The establishment and survival of seedlings are critical stages in the life cycle of plants and therefore usually well timed to humid and favourable conditions. Climate projections suggest that the threatened mountain grassland species Arnica montana may be increasingly exposed to drought stress. However, studies that focus on the species’ early development are missing. We evaluated impacts of drought-induced stress on A. montana seedlings in their early establishment phase and identified traits that could cause the species’ fitness to decline. - In a greenhouse experiment, we tested the response of A. montana seedlings to different drought levels (moderate, strong, extreme). To assess their fitness under increasing drought, we evaluated survival of the seedlings based on four senescence stages and measured the performance of above- and belowground morphological and physiological functional traits. - Arnica montana seedlings showed high resistance to drought. Senescence accelerated and survival declined only under strong and extreme drought conditions. However, the seedlings’ vegetative performance decreased even with moderate drought, as indicated by smaller values of most leaf traits and some root traits. Physiological trait response was less sensitive. - Drought stress hinders the establishment and survival of A. montana seedlings. Following the functional trait responses to drought and their association with survival, we suggest declining leaf length, leaf width, and leaf number are sensitive traits that can lead to a decline in performance.eng
dcterms.accessRightsopen access
dcterms.creatorStanik, Nils
dcterms.creatorLampei, Christian
dcterms.creatorRosenthal, Gert
dcterms.source.identifiereissn:1438-8677
dcterms.source.issueIssue 6
dcterms.source.journalPlant Biologyeng
dcterms.source.pageinfo1086-1096
dcterms.source.volumeVolume 23
kup.iskupfalse

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