tailieunhanh - Báo cáo lâm nghiệp: "A dendroclimatic analysis of Pinus densiflora from Mt. Chiri in southern Korea"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: A dendroclimatic analysis of Pinus densiflora from Mt. Chiri in southern Korea. | 451 Ann. Sci. For. 55 1998 45 W59 Inra Elsevier Paris Original article A dendroclimatic analysis of Pinus densiflora from Mt. Chiri in southern Korea Won-Kyu Park Ram R. Yadav Department of Forest Products College of Agriculture Chungbuk National University Cheongju 361-763 Republic of Korea Received 24 February 1997 revised 12 May 1997 accepted 2 February 1998 Abstract - The influence of climate on the radial growth of Pinus densiflora Sieb. and Zucc. in southern Korea was investigated using a 196-year AD 1801-1996 tree-ring chronology developed from 27 trees sampled in the Chiri mountain range. The relationship between ring width and climate was analyzed using the response function which indicated 56 of the chronology variance attributable to climate. This analysis has demonstrated that warm January and March temperatures have a direct relationship to ring width. An inverse relationship has been noted with August precipitation. The association between tree growth and climate reveals the potential usefulness of this species in climatic reconstruction. Inra Elsevier Paris. Pinus densiflora I tree rings growth-climate relationship southern Korea Resume - Une analyse dendroclimatique de Pinus densiflora au mont Chiri en Corée du Sud. L influence du climat sur la croissance radiale de Pinus densiflora Sieb. et Zucc. en Corée du Sud a été étudiée en utilisant une chronologie de cemes de 196 ans 1801-1996 AD développée à par-tir de 27 arbres échantillonnés au mont Chiri. La relation entre épaisseurs de cemes et climat a été analysée grace à une fonction de réponse qui indique que 56 de la variance de la chronologie est attribuable au climat. Cette analyse a démontré que des temperatures élevées en janvier et mars ont un effet positif sur la croissance. Un effet negatif a été note pour les precipitations d aoiit. Cette association entre croissance et climat révèle les potentialités de cette espèce pour des reconstructions climatiques. Inra Elsevier Paris. Pinus .