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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/55783

    Título
    Tree-ring distinctness, dating potential and climatic sensitivity of laurel forest tree species in Tenerife Island
    Autor
    García López, María Auxiliadora
    Rozas Ortiz, Vicente FernandoAutoridad UVA Orcid
    Olano Mendoza, José MiguelAutoridad UVA Orcid
    Sangüesa Barreda, GabrielAutoridad UVA Orcid
    García Hidalgo, MiguelAutoridad UVA Orcid
    Gómez González, Susana
    López Rubio, Roberto
    Fernández Palacios, José M.
    García González, Ignacio
    García-Cervigón Morales, Ana Isabel
    Año del Documento
    2022
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Dendrochronologia, 2022, vol. 76, 126011
    Resumen
    Macaronesian laurel forests are the only remnants of a subtropical palaeoecosystem dominant during the Tertiary in Europe and northern Africa. These biodiverse ecosystems are restricted to cloudy and temperate insular environments in the North Atlantic Ocean. Due to their reduced distribution area, these forests are particularly vulnerable to anthropogenic disturbances and changes in climatic conditions. The assessment of laurel forest trees’ response to climate variation by dendrochronological methods is limited because it was assumed that the lack of marked seasonality would prevent the formation of distinct annual tree rings. The aims of this study were to identify the presence of annual growth rings and to assess the dendrochronological potential of the most representative tree species from laurel forests in Tenerife, Canary Islands. We sampled increment cores from 498 trees of 12 species in two well-preserved forests in Tenerife Island. We evaluated tree-ring boundary distinctness, dating potential, and sensitivity of tree-ring growth to climate and, particularly, to drought occurrence. Eight species showed clear tree-ring boundaries, but synchronic annual tree rings and robust tree-ring chronologies were only obtained for Laurus novocanariensis, Ilex perado subsp. platyphylla, Persea indica and Picconia excelsa, a third of the studied species. Tree-ring width depended on water balance and drought occurrence, showing sharp reductions in growth in the face of decreased water availability, a response that was consistent among species and sites. Inter-annual tree-ring width variation was directly dependent on rainfall input in the humid period, from previous October to current April. The four negative pointer years 1995, 1999, 2008 and 2012 corresponded to severe drought events in the study area. This study gives the first assessment of dendrochronological potential and tree-ring climate sensitivity of tree species from the Tenerife laurel forest, which opens new research avenues for dendroecological studies in Macaronesian laurel forests.
    Materias Unesco
    3106 Ciencia Forestal
    Palabras Clave
    Climate extremes
    Extremos climáticos
    Forests
    Bosques
    Drought
    Sequía
    Macaronesia
    ISSN
    1125-7865
    Revisión por pares
    SI
    DOI
    10.1016/j.dendro.2022.126011
    Patrocinador
    Ministerio de Ciencia, Innovación y Universidades (projects PID2019-109906RA-I00, PID2020-118444GA-100 and PID2019-106908RA-I00/AEI/10.13039/501100011033)
    Ministerio de Ciencia, Innovación y Universidades (predoctoral contract PRE2018-084106)
    Ministerio de Economía, Industria y Competitividad (project CGL2017-87309-P and postdoctoral grant IJC2019-040571-I)
    Junta de Castilla y León (projects VA113G19 and IR2020-1-UVA08)
    Universidad de Valladolid (predoctoral contract 113-2019PREUVA22)
    Comunidad de Madrid (project S2018/EMT-4338)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S1125786522000911?via%3Dihub
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/55783
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • IUGFS - Artículos de revista [141]
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    Tree-ring-distinctness.pdf
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    Attribution-NonCommercial-NoDerivatives 4.0 InternacionalLa licencia del ítem se describe como Attribution-NonCommercial-NoDerivatives 4.0 Internacional

    Universidad de Valladolid

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