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Título: Environmental influences on post-harvest natural regeneration of Pinus pinaster Ait. in Mediterranean forest stands submitted to seed-tree selection method
Autor: Rodríguez García, Encarna
Juez, Libertad
Bravo Oviedo, Felipe
Editor: Springer
Año del Documento: 2010
Documento Fuente: European Journal of Forest Research; November 2010, Volume 129, Issue 6, pp 1119-1128
Resumen: Research on natural regeneration is crucial for the development of sustainable forestry practices, in light of the global climate changes taking place. In this study, 151 plots were sampled in six Pinus pinaster stands that were naturally regenerated by the seed-tree method in Mediterranean forests in central Spain. The objectives of the survey were to study the suitability of different forest stands designated for natural regeneration as well as to analyse seedling establishment and the relationship between regeneration and different site factors. Analysis of variance and multivariate analysis with canonical ordination techniques were employed. Full and partial redundancy analyses on a correlation matrix were used to carry out a direct gradient analysis of regeneration density as a function of site factors. Nearly all stands presented seedling densities over 2,000 seedlings ha−1 and were thus found to be suitable for natural regeneration of Pinus pinaster by the seed-tree selection method. Significant variables that best explained total seedling and viable seedling density were spring and autumn precipitation of the year prior to establishment, spring and summer precipitation of the year of establishment and percentage cover of litter. There were no signs of competition between shrubs and seedlings, but a negative significant correlation with grass cover was observed. Pinus pinaster natural regeneration was successful with the seed-tree method, although it appeared to be highly dependent on climate and stand conditions.
Materias (normalizadas): Pinos-Semillas
Repoblación forestal
Departamento: Instituto Universitario de Gestión Forestal Sostenible
ISSN: 1612 - 4667
Idioma: eng
Derechos: info:eu-repo/semantics/openAccess
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