Table 2.

Oxidation and assimilation of atmospheric methane in different soils

Soil type (location)Sampling depth (cm)pHKClNO3 (μmol g−1)NH4+ (μmol g−1)Oxidation of atmospheric methane (pmol g−1 h−1)Assimilation of atmospheric methane (%)
Heathland (Zackenberg, Greenland)3–64.30.060.1441NDa
Pine forest (Klosterheden, Denmark)16–203.80.040.076941
Beech forest (Rold, Denmark)6–103.40.610.2322136
Agricultural (Nørre Halne, Denmark)6–105.05.890.141020
Mixed hardwood forest (Connecticut)6–104.20.160.2718130
Mixed hardwood forest (Maine)6–104.00.020.3075239
Rain forest (Pantanal, Brazil)4–84.91.020.252135
Rain forest (Pocone, Brazil)4–85.21.330.483338
Rain forest (Sumatra, Indonesia)4–84.31.160.132422
Rain forest (Dambri Falls, Vietnam)4–84.51.480.255254
  • a ND, not determined.