Influence of pruning and the climatic conditions on acorn production in holm oak (Quercus ilex L.) dehesas in SW Spain Reyes Alejano, Raúl Tapias, Manuel Fernández, Enrique Torres, Joaquín Alaejos and Juan DomingoAnn. For. Sci., 65 2 (2008) 209DOI: https://doi.org/10.1051/forest:2007092