2007 iufro all division 5 conference, taipei

32
2007 IUFRO All Division 5 Conference, Taipei An Investigation on Variations of some of the physical and biometrical properties of planted Acer Velutinum in the longitudinal direction in north of Iran H. Khademi-Eslam Laboratory of Wood Science and Technology, Islamic Azad University (IAU), Science & Research Branch Tehran, Iran [email protected] ی مسلا اد ا ز ه ا گا ش ن دا

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2007 IUFRO All Division 5 Conference, Taipei. An Investigation on Variations of some of the physical and biometrical properties of planted Acer Velutinum in the longitudinal direction in north of Iran. H. Khademi-Eslam Laboratory of Wood Science and Technology, - PowerPoint PPT Presentation

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Page 1: 2007 IUFRO All Division 5 Conference, Taipei

2007 IUFRO All Division 5 Conference, Taipei

An Investigation on Variations of some of the physical and biometrical properties of planted Acer Velutinum in the longitudinal direction in

north of Iran

H. Khademi-EslamLaboratory of Wood Science and Technology,

Islamic Azad University (IAU), Science & Research BranchTehran, Iran

[email protected]

آزاد دانشگاه اسالمی

Page 2: 2007 IUFRO All Division 5 Conference, Taipei

Pakistan

AfghanistanIRAN

Tehran

Caspian sea

Russia

Iraq

Persian Golf آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Introduction

Page 3: 2007 IUFRO All Division 5 Conference, Taipei

Pakistan

AfghanistanIRAN

Tehran

Caspian sea

Russia

Iraq

Persian Golf

north forest

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Introduction

Page 4: 2007 IUFRO All Division 5 Conference, Taipei

Pakistan

AfghanistanIRAN

Tehran

Caspian sea

Russia

Iraq

Persian Golf

north forest

distribution of Acer in Iran

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Introduction

Page 5: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Introduction

Page 6: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Introduction

Page 8: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Introduction

Page 9: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Material and methods

The study site

Page 10: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Material and methods

Sampling

Page 11: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

Collection and preparation of the experimental samples

2007 IUFRO All Division 5 Conference, Taipei

Material and methods

Sampling

Page 12: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

Testing variables

- Wood density- wood moisture content (%)- total volumetric shrinkage and

swelling- Fiber dimensions

2007 IUFRO All Division 5 Conference, Taipei

Material and methods

Page 13: 2007 IUFRO All Division 5 Conference, Taipei

Specific gravity

آزاد دانشگاه اسالمی

0.55

0.53 0.53

0.52

0.53

0.53

0.54

0.54

0.55

0.55

0.56

1.3 5 10

tree height (m)

S.G

.(g

r/cm

)

oven-dry density

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 14: 2007 IUFRO All Division 5 Conference, Taipei

Specific gravity

آزاد دانشگاه اسالمی

0.55

0.53 0.53

0.47

0.46 0.46

0.40

0.42

0.44

0.46

0.48

0.50

0.52

0.54

0.56

1.3 5 10

tree height (m)

S.G

.(g

r/cm

)

oven-dry density basic density

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 15: 2007 IUFRO All Division 5 Conference, Taipei

Specific gravity

آزاد دانشگاه اسالمی

coefficient of variations 28.7%

0.55

0.53 0.53

0.47

0.46 0.46

y = -0.01x + 0.5567R2 = 0.75

0.40

0.42

0.44

0.46

0.48

0.50

0.52

0.54

0.56

1.3 5 10

tree height (m)

S.G

.(g

r/cm

)

oven-dry density basic density

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 16: 2007 IUFRO All Division 5 Conference, Taipei

Specific gravity

آزاد دانشگاه اسالمی

coefficient of variations 28.7% and 27.8%

0.55

0.53 0.53

0.47

0.46 0.46

y = -0.01x + 0.5567R2 = 0.75

0.40

0.42

0.44

0.46

0.48

0.50

0.52

0.54

0.56

1.3 5 10

tree height (m)

S.G

.(g

r/cm

)

oven-dry density basic density

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 17: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

    SG (gr/cm3)

  DBH Sapwood Heartwood

Average 0.52 0.49 053

SD 0.09 0.11 0.15

CV (%) 17.3 26.5 28.2

Page 18: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

Moisture content

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

54.7

53.7

61.7

48

50

52

54

56

58

60

62

64

1.3 5 10

tree hight (m)

M.C

. (%

)

Page 19: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

Variations in moisture content (%) and porosity (%) at different heights

54.753.7

61.762.9

64.6 64.7

R2 = 0.6447

40

45

50

55

60

65

70

1.3 5 10

tree hight (m)

(%)

M.C. Porosity

Moisture content & Porosity

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 20: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

Shrinkage

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

16.5

14.4

14

y = -1.25x + 17.467R2 = 0.8665

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

1.3 5 10

tree higth (m)

(%)

Page 21: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

Swelling

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

14.2

12.6

12.3

y = -0.95x + 14.933R2 = 0.865

10.0

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

1.3 5 10

tree higth (m)

(%)

Page 22: 2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

16.5

14.414

14.2

12.612.3

R2 = 0.8665

R2 = 0.865

10

11

12

13

14

15

16

17

1.3 5 10

tree higth (m)

(%)

Sh. V Sw.

Variations in volumetric shrinkage and swelling at different heights

Shrinkage & Swelling

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 23: 2007 IUFRO All Division 5 Conference, Taipei

840

0

200

400

600

800

1000

1200

Pith Bark

fib

er le

ng

th (

mic

ron

)

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 24: 2007 IUFRO All Division 5 Conference, Taipei

840

920

0

200

400

600

800

1000

1200

Pith Bark

fib

er le

ng

th (

mic

ron

)

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 25: 2007 IUFRO All Division 5 Conference, Taipei

840

920

1010

0

200

400

600

800

1000

1200

Pith Bark

fib

er le

ng

th (

mic

ron

)

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 26: 2007 IUFRO All Division 5 Conference, Taipei

840

920

1010 1020

0

200

400

600

800

1000

1200

Pith Bark

fib

er le

ng

th (

mic

ron

)

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 27: 2007 IUFRO All Division 5 Conference, Taipei

840

920

1010 1020 1030

0

200

400

600

800

1000

1200

Pith Bark

fib

er le

ng

th (

mic

ron

)

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 28: 2007 IUFRO All Division 5 Conference, Taipei

840

920

1010 1020 1030980

0

200

400

600

800

1000

1200

Pith Bark

fib

er le

ng

th (

mic

ron

)

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 29: 2007 IUFRO All Division 5 Conference, Taipei

2007 IUFRO All Division 5 Conference, Taipei

RESULTS & DISCUSSION

Page 30: 2007 IUFRO All Division 5 Conference, Taipei

Conclusions

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Specific gravity Moisture content Shrinkage Swelling fiber length

Page 31: 2007 IUFRO All Division 5 Conference, Taipei

Conclusions

آزاد دانشگاه اسالمی

2007 IUFRO All Division 5 Conference, Taipei

Page 32: 2007 IUFRO All Division 5 Conference, Taipei

2007 IUFRO All Division 5 Conference, Taipei

آزاد دانشگاه اسالمی

آزاد دانشگاه اسالمی

THANKS