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Table 2 Mean TreeSonic velocities recorded in eight different positions (cardinal and intercardinal points) around the tree

From: Use of non-destructive test methods on Irish hardwood standing trees and small-diameter round timber for prediction of mechanical properties

 

Velocity TreeSonic m s−1

  

Stand

N 0º

NE 45º

E 90º

SE 135º

S 180º

SW 225º

W 270º

NW 315º

COV (%)

P value

1

4116

4112

4161

4135

4208

4214

4142

4142

0.9

0.995

2

4074

4106

4056

4028

3966

3975

4031

4075

1.1

0.949

3

4189

4147

4142

4195

4289

4398

4258

4308

2.0

0.473

4

3675

3716

3690

3757

3715

3702

3795

3718

1.0

0.989

5.1

4085

4074

4110

4163

4180

4236

4215

4138

1.3

0.539

5.2

4013

3979

3916

3911

3952

3955

4025

4051

1.2

0.969

6

3125

3119

3104

3105

3092

3122

3097

3092

0.4

1.000

7

3209

3162

3188

3181

3197

3224

3225

3155

0.8

0.968