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Table 7 Organic Carbon in Soil Categories

From: Effects of Management on Carbon Sequestration in Forest Biomass in Southeast Alaska

Part of Pedon Mean Organic Carbon (kg/m2) SD Coefficient of Variation n
Shallow Entisols and Inceptisols, one alpine pedon     7
  O horizon 8.8 5.1 0.58  
  Regolith 8.1 5.0 0.62  
  Total 16.9 4.8 0.28  
Deep Entisols and Inceptisols, two in alluvium     7
  O horizon 7.2 3.2 0.45  
  Regolith 25.2 10.4 0.41  
  Total 32.4 11.1 0.34  
Shallow (including Lithic) Spodosols     26
  O horizon 8.6 3.9 0.46  
  Regolith 8.8 6.0 0.68  
  Total 17.4 7.4 0.42  
Deep Aquods     14
  O horizon 6.9 4.9 0.71  
  Regolith 18.6 4.9 0.26  
  Total 25.5 4.6 0.18  
Deep Spodosols other than Aquods     95
  O horizon 8.4 4.8 0.57  
  Regolith 21.4 9.7 0.46  
  Total 29.8 10.3 0.35  
Lithic Cryofolists     9
  Total 15.0 6.1 0.41  
Typic Cryofolists     4
  Total 14.2 4.2 0.30  
Shallow Lithic Cryosaprists     1
  Total 19.4 11.7   
Deep Lithic and Terric Cryosaprists (with one Cryohemist)     4
  Total 52.9   0.22  
Organic soils (Histosols) in muskegs     16
  Organic 238.6    
  1. Source: Alexander and others (1989)