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Changes in long-term light properties of a mixed conifer–broadleaf forest in Southwestern Europe
dc.creator | Ruiz de la Cuesta Vela, Ignacio | es_ES |
dc.creator | Blanco Vaca, Juan Antonio | es_ES |
dc.creator | Imbert Rodríguez, Bosco | es_ES |
dc.creator | Peralta de Andrés, Francisco Javier | es_ES |
dc.creator | Rodríguez Pérez, Javier | es_ES |
dc.date.accessioned | 2021-12-15T07:50:45Z | |
dc.date.available | 2021-12-15T07:50:45Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 1999-4907 (Electronic) | |
dc.identifier.uri | https://hdl.handle.net/2454/41231 | |
dc.description.abstract | Natural and anthropogenic factors affect forest structure worldwide, primarily affecting forest canopy and its light properties. However, not only stand-replacing events modify canopy structure, but disturbances of lower intensity can also have important ecological implications. To study such effects, we analyzed long-term changes in light properties of a conifer–broadleaf mixed forest in the Southwestern Pyrenees, placed in the fringe between the Mediterranean and Eurosi- berian biogeographical regions. At this site, a thinning trial with different intensities (0%, 20%, and 30–40% basal area removed) took place in 1999 and 2009, windstorms affected some plots in 2009 and droughts were recurrent during the sampling period (2003, 2005, 2011). We monitored light properties during 14 years (2005–2019) with hemispherical photographs. We applied partial autocorrelation functions to determine if changes between years could be attributed to internal canopy changes or to external disturbances. In addition, we mapped the broadleaf canopy in 2003, 2008, and 2016 to calculate broadleaf canopy cover and richness at the sampling points with different buffer areas of in- creasing surface. We applied generalized linear mixed models to evaluate the effects of light variables on canopy richness and cover. We found that light variables had the most important changes during the period 2008 to 2010, reacting to the changes caused that year by the combined effects of wind and forest management. In addition, we found that an area of 4.0 m radius around the sampling points was the best to explain the relationship between light properties and species richness, whereas a radius of 1.0 m was enough to estimate the relationship between light and canopy cover. In addition, light-related variables such as diffuse light and leaf area index were related to species richness, whereas structural variables such as canopy openness were related to canopy cover. In summary, our study demonstrates that non stand-replacing disturbances such as windstorms, thinning, or droughts can have an important role in modifying structural and light-related canopy properties, which in turn may influence natural processes of stand development and ecological succession. | en |
dc.description.sponsorship | This research was funded by the Spanish Ministry of Economy and Competitiveness, grants numbers AGL2006-08288, AGL2009-11287, AGL2012-33465, and AGL2016-76463-P. J.R.P. was funded by the La Caixa Foundation and Caja Navarra Foundation, under agreement LCF/PR/PR13/51080004 in the framework of the Public University of Navarre’s “Captación de Talento” program. | en |
dc.format.extent | 20 p. | |
dc.format.mimetype | application/pdf | en |
dc.language.iso | eng | en |
dc.publisher | MDPI | en |
dc.relation.ispartof | Forests, 2021, 12, 1485 | EN |
dc.rights | © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. | en |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
dc.subject | Light properties | en |
dc.subject | Thinning | en |
dc.subject | Windstorms | en |
dc.subject | Sustainable forest management | en |
dc.subject | Hemispherical photography | en |
dc.subject | Time-series analysis | en |
dc.title | Changes in long-term light properties of a mixed conifer–broadleaf forest in Southwestern Europe | en |
dc.type | Artículo / Artikulua | es |
dc.type | info:eu-repo/semantics/article | en |
dc.contributor.department | Ciencias | es_ES |
dc.contributor.department | Zientziak | eu |
dc.rights.accessRights | Acceso abierto / Sarbide irekia | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | en |
dc.identifier.doi | 10.3390/f12111485 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//AGL2012-33465/ES/ | en |
dc.relation.projectID | info:eu-repo/grantAgreement/ES/1PE/AGL2016-76463-P | en |
dc.relation.publisherversion | https://doi.org/10.3390/f12111485 | |
dc.type.version | Versión publicada / Argitaratu den bertsioa | es |
dc.type.version | info:eu-repo/semantics/publishedVersion | en |
dc.contributor.funder | Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa | es |