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dc.contributor.authorSemenchuk, Philipp
dc.contributor.authorGillespie, Mark
dc.contributor.authorRumpf, Sabine Bettina
dc.contributor.authorBaggesen, Nanna Schrøder
dc.contributor.authorCooper, Elisabeth J.
dc.date.accessioned2017-03-03T15:45:05Z
dc.date.available2017-03-03T15:45:05Z
dc.date.issued2016-11-29
dc.description.abstractThe duration of specific periods within a plant’s life cycle are critical for plant growth and performance. In the High Arctic, the start of many of these phenological periods is determined by snowmelt date, which may change in a changing climate. It has been suggested that the end of these periods during late-season are triggered by external cues, such as day length, light quality or temperature, leading to the hypothesis that earlier or later snowmelt dates will lengthen or shorten the duration of these periods, respectively, and thereby affect plant performance.Wetested whether snowmelt date controls phenology and phenological period duration in High Arctic Svalbard using a melt timing gradient from natural and experimentally altered snow depths.Weinvestigated the response of early- and late-season phenophases from both vegetative and reproductive phenological periods of eight common species.Wefound that all phenophases follow snowmelt patterns, irrespective of timing of occurrence, vegetative or reproductive nature. Three of four phenological period durations based on these phenophases were fixed for most species, defining the studied species as periodic. Periodicity can thus be considered an evolutionary trait leading to disadvantages compared with aperiodic species and we conclude that the mesic and heath vegetation types in Svalbard are at risk of being outcompeted by invading, aperiodic species from milder biomes.en_US
dc.descriptionPublished version. Source at <a href=http://dx.doi.org/10.1088/1748-9326/11/12/125006> http://dx.doi.org/10.1088/1748-9326/11/12/125006 </a>en_US
dc.identifier.citationSemenchuk P, Gillespie M, Rumpf SB, Baggesen NS, Elberling B, Cooper E.J.. High Arctic plant phenology is determined by snowmelt patterns but duration of phenological periods is fixed: an example of periodicity. Environmental Research Letters. 2016;11(12)en_US
dc.identifier.cristinIDFRIDAID 1435117
dc.identifier.doi10.1088/1748-9326/11/12/125006
dc.identifier.issn1748-9326
dc.identifier.urihttps://hdl.handle.net/10037/10430
dc.language.isoengen_US
dc.publisherIOP Publishingen_US
dc.relation.journalEnvironmental Research Letters
dc.rights.accessRightsopenAccessen_US
dc.subjectSpitsbergenen_US
dc.subjectSvalbarden_US
dc.subjectphenologyen_US
dc.subjectphenophaseen_US
dc.subjectphenoperioden_US
dc.subjectgrowing-season lengthen_US
dc.subjectfloweringen_US
dc.subjectVDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480en_US
dc.subjectVDP::Mathematics and natural science: 400::Zoology and botany: 480en_US
dc.titleHigh Arctic plant phenology is determined by snowmelt patterns but duration of phenological periods is fixed: an example of periodicityen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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