The SOC increases in the other land uses can be attributed to various
causes. The SN land use, after the soil disturbance following the
establishment of the vineyards, partially recovered the SOC content
of the native vegetation (CO) due to the natural restoration of
scrubs, meadows and other plants. After ‘‘90 yr’’ carbon stocks were
in the range 48.3–48.8 t C ha1, i.e. about 93% in comparison with
CO. SN land use was sensitive to climate change (+3.8–4.3 t C ha1)
compared to the baseline value of 2007. The HC land use was more
sensitive to climate change due to the high C inputs from crop residues
and FYM (+2.8–4.7 t C ha1) compared to the baseline value
of 2007. After ‘‘90 yr’’ carbon stocks were in the range 57.4–
59.3 t C ha1, about 11% higher in comparison with CO. The PA land
use, receiving lower C inputs from the soil and the crop, showed a
smaller increase with climate change (+2.3–2.9 t C ha1). At the
end of the simulation period (‘‘90 yr’’) carbon stocks were in the
range 54.8–55.4 t C ha1, about 5% higher in comparison with CO.
Lastly, the CO land use had a slow increase compared to the 2007
baseline during the simulation period (+1.6–2.1 t C ha1), almost
reaching a plateau, which suggests it is reaching a new equilibrium
of SOC; alternatively an apparent increase with climate change
might be hiding a natural SOC decrease. After ‘‘90 yr’’ carbon stocks
in CO were in the range 52.1–52.6 t C ha1.
The SOC increases in the other land uses can be attributed to variouscauses. The SN land use, after the soil disturbance following theestablishment of the vineyards, partially recovered the SOC contentof the native vegetation (CO) due to the natural restoration ofscrubs, meadows and other plants. After ‘‘90 yr’’ carbon stocks werein the range 48.3–48.8 t C ha1, i.e. about 93% in comparison withCO. SN land use was sensitive to climate change (+3.8–4.3 t C ha1)compared to the baseline value of 2007. The HC land use was moresensitive to climate change due to the high C inputs from crop residuesand FYM (+2.8–4.7 t C ha1) compared to the baseline valueof 2007. After ‘‘90 yr’’ carbon stocks were in the range 57.4–59.3 t C ha1, about 11% higher in comparison with CO. The PA landuse, receiving lower C inputs from the soil and the crop, showed asmaller increase with climate change (+2.3–2.9 t C ha1). At theend of the simulation period (‘‘90 yr’’) carbon stocks were in therange 54.8–55.4 t C ha1, about 5% higher in comparison with CO.Lastly, the CO land use had a slow increase compared to the 2007baseline during the simulation period (+1.6–2.1 t C ha1), almostreaching a plateau, which suggests it is reaching a new equilibriumof SOC; alternatively an apparent increase with climate changemight be hiding a natural SOC decrease. After ‘‘90 yr’’ carbon stocksใน CO อยู่ในช่วง 52.1-52.6 t C ฮา 1
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