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Báo cáo lâm nghiệp: "Relationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern Spain"

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Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Relationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern Spain. | Ann. For. Sci. 64 2007 719-731 INRA EDP Sciences 2007 DOI 10.1051 forest 2007052 Available online at www.afs-journal.org Original article Relationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern Spain Antonio D. DEL CAMPOa Rafael M. Navarro CERRlLLOb Javier HERMOSOc Antonio J. IBANEZa a E.T.S.I. Agrónomos Dep. de Ingeniería Hidráulica y Medio Ambiente Universidad Politécnica Valencia Camí de Vera s n 46022 Valencia Spain b Departamento de Ingeniería Forestal ETSIAM Universidad de Córdoba Avda. Menéndez Pidal s n 14080 Córdoba Spain c Conselleria de Territori y Habitatge Generalitat Valenciana c Gregorio Gea 27 Valencia Spain Received 17 August 2006 accepted 6 March 2007 Abstract - The influence of site and stock quality factors in Aleppo pine Pinus halepensis Mill. plantation establishment has been studied. Five stocklots with a contrasting seedling quality were planted on six different sites showing different ecologic conditions in a same regional context. This reciprocal study indicated that site factors climate meteorology and soil explained most of the variability found over stock quality factors material and performance attributes in the overall performance results F values for final survival were 64.2 and 14.1 for site and stocklot respectively . There were significant interactions between both factors in survival F 2.03 for final survival and first growth indicating that the seedling quality attributes associated with a better performance depended on site conditions with physiological attributes being more dependent on the site than morphological attributes. The lower the site quality poor performance the higher the importance of stock quality especially that related with seedling size and macronutrient content which showed positive correlations p 0.05 with survival yielding differences of over 30 between stocklots. In general a milder climate and a shallow site meant a higher mortality. The .

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