CO2 fluxes (mmol・m−2・d−1)

Year

January - June

July - December

2005

1.58 ± 1.16

4.08 ± 1.61

2006

1.39 ± 1.06

3.75 ± 1.47

2007

1.52 ± 1.17

4.01 ± 1.54