Table 3. Comparison of measured board-feet volume
with volumes in form-class tables

Regions & Species

Measured
Trees

Measured Volume 1

Volume from Tables

Difference

South:

Loblolly Pine

Shortleaf Pine

Slash Pine

Longleaf Pine

Cypress

Total Softwood

Gums

Oaks

Other Hardwoods

Total Hardwood

Total all Species

Appalachian:

Loblolly Pine

Shortleaf Pine

Cypress

Total Softwood

Oaks, hickory, and chestnut

Sweetgum

(red gum)

Yellow poplar

Beech

Walnut

Maple

Ash

Other hardwoods

Total hardwood

Total all Species

Northeast:

Hemlock

Virginia Pine

White Pine

Total Softwood

Maple

Beech

Birch

Oaks

Other hardwoods

Total Hardwoods

Total all species

West:

Ponderosa pine
(Old growth)

Ponderosa pine (Second-growth)

Total........

Puerto Rico:

Tobonuca, Laurel sabino

Haiti:
Pinus occidentalis

France:
Scotch Pine

Luxembourg:
Norway spruce

Total foreign species

Number

727

85

295

238

54

1399

149

131

60

340

1739

 

110

117

30

257

525

 

82


107

67

44

64

20

37

946

1203

 

102

18

71

191

33

84

48

55

77

302

493

 

240


262

502

 

249

 

100


70


22

441

Board feet

175983

20583

59845

121867

31376

409654

60289

69532

17580

147401

557055

 

38318

26290

32729

97337

239101

 

60483


75265

33156

6431

22242

14834

11362

462874

560211

 

13124

1121

14348

28593

8916

19063

12965

8053

12314

61311

89904

 

451212


119473

570685

 

101687

 

39418


16565


4765

159435

Board feet

176905

20272

59509

122682

31791

411159

59931

58843

17186

145960

557119

 

38341

26479

32365

97185

235544

 

59454


75261

32163

6396

21078

14532

11254

462682

552867



3 13598

3 1123

3 14502

29223

9266

18976

3 13109

8243

12668

62262

91485


447722


119229

566951

 

101611

 

39280


13574


4698

159163

Percent

0.5

-1.5

0.7

1.3

0.4

-0.6

-1.0

-2.2

-1.0

(2)

 

 

0.1

0.7

-1.1

-0.2

-1.5

 

-1.7


(2)

-3.0

-0.5

-5.2

-2.0

-1.0

-1.6

-1.3

 

3.6

0.2

1.1

2.2

3.9

-0.5

1.1

2.4

2.9

1.6

1.8

 

-0.8


-0.2

-0.7

 

-0.1

 

-0.4


(2)


-1.4

-0.2

1 Trees measured with calipers. Bark thickness measured with Swedish bark measurer.
2 Negligible
3 Merchantable height adjusted to conform with table restrictions on height measurement