Table 1.
Trends of net ecosystem production (NEP) in four climatic regions and throughout China. A positive trend in NEP indicates an increasing sink and a negative trend indicates a decreasing sink.
| 1982–2000 | 2000–10 | |||||
|---|---|---|---|---|---|---|
| Climatic region | Trend (Tg C/yr2) | R 2 | P-value | Trend (Tg C/yr2) | R 2 | P-value |
| Temperate continental (I) | –1.03 | 0.06 | 0.293 | 3.08 | 0.24 | 0.128 |
| Temperate monsoonal (II) | –3.40 | 0.18 | 0.072 | 8.77 | 0.45 | 0.023 |
| High-cold Tibetan Plateau (III) | 0.22 | 0.02 | 0.579 | –0.38 | 0.02 | 0.675 |
| Subtropical–tropical monsoonal (IV) | –1.74 | 0.08 | 0.231 | 2.75 | 0.03 | 0.616 |
| China | –5.95 | 0.17 | 0.080 | 14.22 | 0.32 | 0.069 |