Skip to main content

Table 5 Component carbon fraction, number of sample trees per stand (n), country of study and source of data for various Pinus species

From: Carbon fraction of Pinus radiata biomass components within New Zealand

Species

Component

Age (years)

Number

Carbon Fraction (g C g−1dm)

Biomass samples dried (°C)

Country

Source

P. nigra

Stem sapwood

27–39

112

0.465

75

Spain

De Aza et al. 2011

 

Stem bark

 

106

0.499

  

P. pinaster

Stem heartwood

29–50

87

0.495

  
 

Stem sapwood

 

156

0.458

  
 

Stem bark

 

137

0.501

  

P. sylvestris

Stem heartwood

36–53

76

0.523

  
 

Stem sapwood

 

166

0.453

  
 

Stem bark

 

166

0.485

  

P. radiata

Stem wood

Unknown

54

0.504

65

Spain

Balboa-Murias et al. 2006

 

Stem bark

 

54

0.541

  
 

Large branches

 

54

0.513

  
 

Small branches

 

54

0.525

  
 

Twigs

 

54

0.532

   
 

Needles

 

54

0.527

   

P. pinaster

Stem wood

 

125

0.471

   
 

Stem bark

Unknown

125

0.508

   
 

Large branches

 

125

0.479

   
 

Small branches

 

125

0.505

   
 

Twigs

 

125

0.497

   
 

Needles

 

125

0.497

   

P. pinaster

Stem heartwood

50

4

0.544

65

France

Bert and Danjon 2006

 

Stem sapwood

 

4

0.523

  
 

Stem inner bark

 

4

0.510

  
 

Stem outer bark

 

4

0.559

  
 

Dead branch

 

4

0.534

  
 

Live branch

 

4

0.535

  
 

Cones

 

4

0.534

   
 

Needles

 

4

0.536

   
 

Taproot wood

 

4

0.517

   
 

Taproot bark

 

4

0.549

   
 

Coarse root wood

 

4

0.513

   
 

Coarse root bark

 

4

0.544

   
 

Tree total

  

0.532

   
  1. Bert and Danjon (2006) reported carbon fractions (the analytical laboratory used 103 °C) corrected to 65 °C, which was the temperature used in their biomass dry matter determinations. Other reported values that are assumed were as provided by the analytical laboratory used