Influence of Climate and Solar Variability on Growth Rings of Araucaria angustifolia in Três Barras National Forest (Brazil)

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dc.contributor.authorMuraja, Daniela Oliveira Silva
dc.contributor.authorKlausner, Virginia
dc.contributor.authorPrestes, Alan
dc.contributor.authorSilva, Aline Conceicao da
dc.contributor.authorLemes, Cecilia Leite
dc.date.accessioned2025-08-15T19:31:02Z
dc.date.available2025-08-15T19:31:02Z
dc.date.issued22025
dc.description.abstractThis research applies continuous wavelet analysis and seasonal correlation anal- ysis to tree-ring data from Três Barras National Forest (FLONA Três Barras), revealing diverse influences on growth, including climate, solar activity, and external factors. The methodology involved tree-ring collection and subsequent wavelet and seasonal analy- ses to unveil the non-stationary characteristics of and multifaceted influences on growth. Key findings include the subtle effects of El Niño events on tree-ring development, the sensitivity of Araucaria angustifolia to temperature changes, the significant influence of precipitation during drought periods, and the intricate relationship between tree growth and solar cycles. The El Niño–Southern Oscillation (ENSO) emerges as a primary climatic driver during specific intervals, with external factors (precipitation, temperature, and solar cycle–solar irradiance) influencing tree response between 1936 and 1989. Additionally, the seasonal correlation analysis highlighted the importance of sub-annual climate variability, capturing specific intervals, such as a 3-month season ending in March of the previous year, that significantly impacted tree-ring growth. The study underscores the importance of protecting the endangered Araucaria angustifolia for climatic studies and local commu- nities. Historically, in Brazil, Araucaria angustifolia seeds played a vital role in sustaining indigenous populations, which in turn helped to disperse and propagate forests, creating anthropogenic landscapes that highlight the interconnected relationship between humans and the preservation of these forests.
dc.description.physical23 p.
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.uriFAPESP (2009/02907-8) CNPq (308258/2021-5)
dc.format.mimetypePDF
dc.identifier.affiliationUniversidade do Vale do Paraíba
dc.identifier.bibliographicCitationMUJARA, Daniela Oliveira Silva et al. Influence of Climate and Solar Variability on Growth Rings of Araucaria angustifolia in Três Barras National Forest (Brazil). Atmosphere, v. 16, n. 3, p. 1-23, 2025. Disponível em: 10.3390/atmos16030287.
dc.identifier.doi10.3390/atmos16030287
dc.identifier.urihttps://repositorio.univap.br/handle/123456789/1024
dc.language.isoen_US
dc.publisherMDPI
dc.rights.holderAtmosphere
dc.subject.keywordDendrochronology
dc.subject.keywordAraucaria angustifolia
dc.subject.keywordWavelet
dc.subject.keywordNatural records
dc.subject.keywordEl Niño
dc.titleInfluence of Climate and Solar Variability on Growth Rings of Araucaria angustifolia in Três Barras National Forest (Brazil)
dc.typeArtigos de Periódicos

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