THE EFFECT OF ALTITUDE ON THE PHYSICAL PROPERTIES OF JUVENILE WOOD; HORNBEAM SPECIES (CASE STUDY: MASHELAK FOREST – NOSHAHR)

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KIAEI M.

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Journal: JOURNAL OF SCIENCES AND TECHNIQUES IN NATURAL RESOURCES Year:2011 | Volume:5 | Issue:4 Page(s): 41-48

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Title

THE EFFECT OF ALTITUDE ON THE PHYSICAL PROPERTIES OF JUVENILE WOOD; HORNBEAM SPECIES (CASE STUDY: MASHELAK FOREST – NOSHAHR)

Author(s)

KIAEI M. | Issue Writer Certificate

Keywords

HORNBEAMQ3

JUVENILE WOODQ3

ALTITUDEQ3

OVEN-DRY DENSITYQ3

BASIC DENSITYQ3

VOLUMETRIC SHRINKAGEQ3

VOLUMETRIC SWELLINGQ3

Abstract

This study examines the effect of ALTITUDE on physical properties of HORNBEAM JUVENILE WOOD. For this purpose, nine healthy twelve-years-old trees of HORNBEAM species were selected in three ALTITUDE levels 300, 750 and 1350 meters at Mashelak forestry project. From each tree, three discs for breast height, 50% and 75% height of trees cut down. samples of discs prepared to measure physical properties such as OVEN-DRY DENSITY, BASIC DENSITY, volume shrinkage and volume swelling. The analysis of variance showed that the effect of ALTITUDE on the OVEN-DRY DENSITY, BASIC DENSITY, VOLUMETRIC SHRINKAGE, and VOLUMETRIC SWELLING of HORNBEAM JUVENILE WOOD were significant. Trend of wood BASIC DENSITY and OVEN-DRY DENSITY in longitudinal axis from the bottom to the top of tree is decreasing. The interaction effect between ALTITUDE and longitudinal axis on wood BASIC DENSITY, OVEN-DRY DENSITY, VOLUMETRIC SWELLING, and VOLUMETRIC SHRINKAGE wasn’t significant and while the longitudinal axis effect on OVEN-DRY DENSITY and BASIC DENSITY was significant. The correlation results showed that relationship between density and variation dimension correlation results of wood on 750 meter is stronger than other ALTITUDEs.

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APA: Copy

KIAEI, M.. (2011). THE EFFECT OF ALTITUDE ON THE PHYSICAL PROPERTIES OF JUVENILE WOOD; HORNBEAM SPECIES (CASE STUDY: MASHELAK FOREST – NOSHAHR). JOURNAL OF SCIENCES AND TECHNIQUES IN NATURAL RESOURCES, 5(4), 41-48. SID. https://sid.ir/paper/143804/en

Vancouver: Copy

KIAEI M.. THE EFFECT OF ALTITUDE ON THE PHYSICAL PROPERTIES OF JUVENILE WOOD; HORNBEAM SPECIES (CASE STUDY: MASHELAK FOREST – NOSHAHR). JOURNAL OF SCIENCES AND TECHNIQUES IN NATURAL RESOURCES[Internet]. 2011;5(4):41-48. Available from: https://sid.ir/paper/143804/en

IEEE: Copy

M. KIAEI, “THE EFFECT OF ALTITUDE ON THE PHYSICAL PROPERTIES OF JUVENILE WOOD; HORNBEAM SPECIES (CASE STUDY: MASHELAK FOREST – NOSHAHR),” JOURNAL OF SCIENCES AND TECHNIQUES IN NATURAL RESOURCES, vol. 5, no. 4, pp. 41–48, 2011, [Online]. Available: https://sid.ir/paper/143804/en

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