TAILIEUCHUNG - Báo cáo lâm nghiệp: "Post-fire resprouting ability of 15 non-dominant shrub and tree species in Mediterranean areas of NE Spain"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Post-fire resprouting ability of 15 non-dominant shrub and tree species in Mediterranean areas of NE Spain. | Ann. For. Sci. 64 2007 883-890 INRA EDP Sciences 2007 DOI forest 2007070 Available online at Original article Post-fire resprouting ability of 15 non-dominant shrub and tree species in Mediterranean areas of NE Spain Lidia Quevedo Anselm Rodrigo Josep Maria Espelta Unit of Ecology and Center for Ecological Research and Forestry Applications CREAF Autonomous University of Barcelona 08193 Bellaterra Barcelona Spain Received 19 February 2007 accepted 27 April 2007 Abstract - Post-fire resprouting ability of the non-dominant tree and shrub species of the Mediterranean Basin has not yet been experimentally tested although this group contributes to maintain the richness of Mediterranean plant communities. In this study we have analyzed the post-fire recovery ability of 15 woody species that occur in relatively low abundance in dry and sub humid Mediterranean areas in NE of Spain. The main goals have been i to determine experimentally the post-fire resprouting ability of these species and ii to compare the abundance of these species in areas affected by wildland fires and in unburned areas. We have observed a high resprouting ability after prescribed burning of most species except for Juniperus communis and J. phoenicea which showed a null resprouting. As the species with high resprouting ability showed similar presence in burned and unburned areas we can conclude that wildfires are not a factor that constrains the presence of these species in Mediterranean woodlands. However we found a reduction in the abundance of J. communis and J. phoenicea at the regional level after wildland fires. distribution area prescribed burning resprouting woody species Juniperus Résumé - Capacité à rejeter de souche de 15 espèces d arbres et d arbustes secondaires de la region méditerranéenne après incendie. La capa-cité à rejeter de souche après incendie d espèces d arbres et d arbustes non dominants de la région méditerranéenne est peu connue malgré l importance

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