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Table 4 Average daily CH4 and CO2 fluxes for three different land use types in the two study sites (smallholders and tea estate) calculated for the wet and dry periods

From: Soil carbon dioxide and methane fluxes from forests and other land use types in an African tropical montane region

Site Land use Plot code Daily CH4 fluxes (mg CH4–C m−2 h−1) p value Daily CO2 fluxes (mg CO2–C m−2 h−1) p-value
    Wet Dry   Wet Dry  
Smallholder Forest SHF 1–3 − 0.029 ± 0.001 − 0.042 ± 0.004 < 0.001 98.9 ± 5.4 79.5 ± 3.8 < 0.001
Smallholder Grazing SHG 1–3 − 0.006 ± 0.002 0.001 ± 0.007 0.20 335.9 ± 11.9 271.9 ± 17.8 < 0.001
Smallholder Tea SHT 1–3 − 0.013 ± 0.001 − 0.023 ± 0.003 < 0.001 97.8 ± 3.2 79.9 ± 5.9 0.002
Tea estate Forest TEF 1–3 − 0.058 ± 0.005 − 0.079 ± 0.004 < 0.001 104.1 ± 2.7 82.7 ± 2.7 < 0.001
Tea estate Eucalyptus TEP 1–3 − 0.028 ± 0.006 − 0.043 ± 0.003 < 0.001 90.7 ± 2.2 67.4 ± 3.1 < 0.001
Tea estate Tea TET 1–3 − 0.009 ± 0.003 − 0.025 ± 0.003 < 0.001 71.7 ± 1.6 52.2 ± 2.7 < 0.001
  1. Water filled pore space (WFPS) of 40% was used to define the seasons