126337 20241125101136.0 doi 10.1016/j.agrformet.2023.109435 sideral 133485 ART-2023-133485 eng Garcia-Barreda, Sergi Universidad de Zaragoza (orcid)0000-0002-7248-234X Drought constrains acorn production and tree growth in the Mediterranean holm oak and triggers weak legacy effects 2023 Access copy available to the general public Unrestricted Droughts are becoming more frequent in the Mediterranean basin due to warmer conditions. Droughts negatively impact forests growth for several years, often generating negative legacies or carryover effects. However, these legacies differ among tree species, sites and drought characteristics and have been mainly studied considering tree growth or canopy greenness, but ignoring reproductive phenomena. Here, we compare the legacy effects of drought on acorn and male inflorescence production and radial growth by using a 19-year series of 150 Quercus ilex individuals in three stands located in north-eastern Spain. We evaluate the relationships between monthly climate variables, tree-ring width, acorn production and male inflorescence production. For the two driest years considered (2005 and 2012), when very few acorns were produced, we did not find negative legacy effects on acorn production in the three years following droughts. The production of male inflorescences did not show any significant legacy after drought, although its annual variation was related to the climatic conditions of the year before acorn ripening. Acorn production was higher than expected for some of these years, apparently following the pattern of tree growth recovery with a certain lag. This compensatory response of acorn production differed between the two analysed droughts, in accordance with different conditions of drought timing and post-drought climate conditions. Even though few negative legacy effects of growth and acorn production were found, we confirmed the negative effect of drought stress on tree growth and acorn production, linked to dry winter conditions. Our findings confirm that drought features (timing, duration, intensity) and post-drought climate conditions influence tree growth and reproduction legacies. info:eu-repo/grantAgreement/ES/MCIU/RTI2018-096884-B-C31 info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 5.6 2023 FORESTRY 3 / 89 = 0.034 2023 Q1 T1 AGRONOMY 8 / 126 = 0.063 2023 Q1 T1 METEOROLOGY & ATMOSPHERIC SCIENCES 14 / 110 = 0.127 2023 Q1 T1 1.677 2023 Agronomy and Crop Science 2023 Q1 Global and Planetary Change 2023 Q1 Forestry 2023 Q1 Atmospheric Science 2023 Q1 10.3 2023 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Valeriano, Cristina Camarero, J. Julio (orcid)0000-0003-2436-2922 5011 500 Universidad de Zaragoza Dpto. CC.Agrar.y Medio Natural Area Ingeniería Agroforestal 334 (2023), 109435 [8 pp.] Agric. for. meteorol. AGRICULTURAL AND FOREST METEOROLOGY 0168-1923 3133798 http://zaguan.unizar.es/record/126337/files/texto_completo.pdf Versión publicada 2610487 http://zaguan.unizar.es/record/126337/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:126337 articulos driver 2024-11-22-12:00:53 ARTICLE