Rooting big and deep rapidly: the ecological roots of pine species distribution in the southern Europe
Autores
Andivia Muñoz, Enrique; Zuccarini, Paolo; Grau, Beatriz; Herralde, Felicidad de; Villar Salvador, Pedro; [et al.]Identificadores
Enlace permanente (URI): http://hdl.handle.net/10017/37871DOI: 10.1007/s00468-018-1777-x
ISSN: 0931-1890
Fecha de publicación
2019Fecha fin de embargo
2020-01-01Patrocinadores
Ministerio de Ciencia e Innovación
Comunidad de Madrid
Gobierno de España
Generalitat de Catalunya
Cita bibliográfica
Trees, 2019, v. 33, n. 1, p. 293-303
Palabras clave
Drought resistance
Pinus
Rhizotron
Root growth
Root structure
Rooting depth
Specific root length
Proyectos
info:eu-repo/grantAgreement/MICINN//AGL2011-24296/ES/TOLERANCIA Y ESTRATEGIAS ECOFISIOLÓGICAS DE LOS PINOS IBÉRICOS DURANTE LA FASE JUVENIL EN RESPUESTA AL ESTRÉS HÍDRICO, LAS BAJAS TEMPERATURAS Y LA DISPONIBILIDAD DE NUTRIENTES/ECOLPIN
info:eu-repo/grantAgreement/MINECO//CGL2014-53308-P/ES/SERVICIOS DE LA AVIFAUNA (HIGH MOBILE LINK SPECIES) EN MOSAICOS AGROFORESTALES: REGENERACION FORESTAL Y REGULACION DE PLAGAS/
info:eu-repo/grantAgreement/CAM/Programa de Activiades de I+D por Grupos de Investigación Consolidados de la Comunidad de Madrid/S2013%2FMAE-2719/ES/Restauración y conservación de los ecosistemas mediterráneos: respuesta frente al cambio global/REMEDINAL-3
info:eu-repo/grantAgreement/MINECO/Ayuda para la Formación Posdoctoral/FPDI-2013-15573/ES
Tipo de documento
info:eu-repo/semantics/article
Versión
info:eu-repo/semantics/publishedVersion
Derechos
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2018 Springer-Verlag
Derechos de acceso
info:eu-repo/semantics/openAccess
Resumen
Root properties can influence plant drought resistance, and consequently plant species distribution. Root structurestrongly varies across biomes partly as a result of phylogeny. However, whether the spatial distribution of phylogeneticallyclose plant species is linked to differences in root properties remains unclear. We examined whether root properties mediatethe strong correlation between summer drought intensity and the spatial segregation of pine species native to southernEurope. For this, we compared the seedling root growth and structure of five ecologically distinct pine species grown in360 L rhizotrons for 19 months under typical hot and dry Mediterranean conditions. We studied the mountain and boreoalpinepines Pinus sylvestris and Pinus nigra, and the Mediterranean pines Pinus pinaster, Pinus pinea, and Pinus halepensis.Mediterranean pines formed deep roots faster than mountain pines, their shoots and roots grew faster and had higherroot growth, especially P. halepensis, at low air temperature. By the end of the study, Mediterranean pines had larger rootsystems than mountain pines. Neither distribution of root mass with depth nor root-to-shoot mass ratio varied significantlyamong species. Across species, minimal annual rainfall to which species are exposed in their range related negatively to rootgrowth but positively to specific root length and the time needed for roots to reach a depth of 40 cm. This study highlightsthe importance of root growth as a driver of pine distribution in southern Europe and suggests that rapidly producing a large,deep root system may be a key attribute for pines to colonize dry Mediterranean locations.
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