Table 3 Relationship between CO2 flux and soil temperature at 5 cm depth (Tsoil) determined by van’t Hoff equations, and temperature sensitivity (Q10) of CO2 in different treatments over the experimental period.

From: Effects of nitrogen deposition and litter layer management on soil CO2, N2O, and CH4 emissions in a subtropical pine forestland

Treatment

Equation

Adj R2

Q10

CL

y = 14.58 exp(0.067 Tsoil)

0.672***

1.98

CR

y = 9.38 exp(0.070 Tsoil)

0.661***

2.02

NL

y = 19.57 exp(0.061 Tsoil)

0.616***

1.85

NR

y = 13.39 exp(0.064 Tsoil)

0.655***

1.90

All

y = 14.18 exp(0.065 Tsoil)

0.546***

1.91

  1. CL, no N addition with litter retention; CR, no N addition with removed litter layer; NL, 40 kg N ha−1 yr−1 addition with litter retention; NR, 40 kg N ha−1 yr−1 addition and removed litter layer.
  2. ***P < 0.001.
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