Table 3 Southern grasslands contribute to carbon budget in China’s grasslands.
Time | (g C m−2 y−1) | Total (Tg C y−1) | Proportion (%) | references | |
|---|---|---|---|---|---|
NPP | 2003 | 239.02 | 956.08 | 9.79 | |
1993~1999 | 271.00 | 1084.00 | 8.64 | ||
1995 | 236.04 | 944.16 | 9.92 | ||
1981~1998 | 348.00 | 1392.00 | 6.73 | ||
1995 | 240.79 | 963.16 | 9.72 | ||
2000 | 178.23 | 712.92 | 13.13 | ||
— | 275.00 | 1100.00 | 8.51 | ||
1989~1993 | 298.65 | 1194.60 | 7.84 | ||
1979~2008 | 279.4 | 1117.60 | 8.38 | ||
2001 | 122.60 | 490.40 | 19.09 | ||
RH | — | 767.10 | 3068.40 | 3.04 | |
— | 282.33 | 1129.32 | 8.25 | ||
— | 80.00~350.00 | 320.00~1400.00 | 6.67~29.13 | ||
NEP | 1979~2008 | 13.60 | 54.40 | 0.83 | |
1981~2000 | 2.11 | 8.44 | 5.33 |
