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In this study, the effect of altitude difference on the physical and mechanical properties of Scots pine (Pinus sylvestris L.) wood was investigated. For this purpose, nine Scots pine trees were selected from three altitudes: 250 m (low altitude), 700 m (intermediate altitude), and 1200 m (high altitude) located in the forestry of Sinop province (Black Sea Region in Turkey). For the physical properties of wood: air and oven dry specific gravity were determined, and for the mechanical properties of wood: compression strength parallel to the grain, static bending strength and modulus of elasticity in static bending were determined. Moreover, the variation of all wood properties was determined related to the altitude difference. The results of statistical analyses showed that the altitude difference was an important factor influencing the physical and mechanical properties of Scots pine wood. The air and oven dry density, compression strength parallel to the grain, static bending strength and modulus of elasticity in static bending were higher at intermediate altitude than at other altitudes.U radu su prikazani rezultati istraživanja utjecaja nadmorske visine staništa na fizikalno-mehanička svojstva drva običnog bora (Pinus sylvestris L.). Za istraživanje je odabrano devet stabala običnog bora u šamama pokrajine Sinop (u crnomorskoj regiji Turske) s lokacija različite nadmorske visine: 250 m (mala nadmorska visina), 700 m (srednja nadmorska visina) i 1200 m (velika nadmorska visina). Od fizikalnih svojstava u istraživanju je određena gustoća drva u zrakosuhom i apsolutno suhom stanju, a od mehaničkih svojstava određene su tlačna čvrstoća paralelno s vlakancima, statička čvrstoća na savijanje i modul elastičnosti pri statičkom savijanju. Varijacije svih spomenutih svojstava drva određene su s obzirom na visinske razlike lokacija s kojih su uzorci uzeti. Rezultati statističke analize pokazali su da je nadmorska visina staništa važan čimbenik koji utječe na fizikalnomehanička svojstva drva običnog bora. Vrijednosti gustoće drva u prosušenom i apsolutno suhom stanju, tlačne čvrstoće paralelno s vlakancima, statičke čvrstoće na savijanje i modul elastičnosti u statičkom savijanju bili su najveći za uzorke uzete s lokacije na srednjoj nadmorskoj visini

The Effect of Altitude Difference on Physical and Mechanical Properties of Scots Pine Wood Grown in Turkey - Sinop Province