Table 2 The area percentage of different trends and significances for growing season metrics and NPP in different land cover types and different regions in China (Units: %)
Land cover types or regions | SOS | EOS | LOS | NPP | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
− | + | − | + | − | + | − | + | |||||||||
Total | Sig | Total | Sig | Total | Sig | Total | Sig | Total | Sig | Total | Sig | Total | Sig | Total | Sig | |
Land cover types | ||||||||||||||||
Forestland and Grassland | 57.7 | 23.7 | 18.6 | 3.3 | 11.0 | 1.9 | 65.8 | 21.0 | 12.6 | 4.5 | 73.6 | 40.5 | 22.3 | 3.0 | 71.7 | 19.9 |
Forestland | 39.1 | 8.9 | 24.2 | 3.3 | 12.3 | 1.3 | 54.1 | 7.6 | 15.4 | 3.3 | 61.7 | 15.3 | 21.8 | 1.6 | 74.7 | 16.8 |
Grassland | 69.5 | 33.2 | 15.0 | 3.3 | 10.1 | 2.3 | 73.3 | 29.5 | 10.9 | 5.2 | 81.2 | 56.7 | 22.7 | 4.0 | 69.8 | 21.9 |
Regions | ||||||||||||||||
Northwest China | 73.9 | 25.0 | 12.5 | 1.7 | 6.0 | 1.3 | 84.2 | 43.1 | 7.2 | 3.5 | 87.8 | 68.3 | 13.6 | 2.4 | 78.1 | 18.4 |
North China | 78.3 | 44.5 | 8.3 | 2.5 | 8.7 | 2.1 | 74.1 | 25.8 | 6.7 | 3.8 | 87.6 | 56.8 | 27.7 | 6.3 | 67.5 | 6.6 |
Northeast China | 25.2 | 5.5 | 31.1 | 3.8 | 10.7 | 0.5 | 48.8 | 6.2 | 19.1 | 4.0 | 52.3 | 13.6 | 30.3 | 1.8 | 65.4 | 19.8 |
Southwest China | 65.6 | 22.6 | 18.5 | 3.5 | 16.2 | 3.7 | 67.5 | 20.5 | 14.5 | 6.3 | 77.2 | 47.3 | 5.6 | 1.7 | 84.6 | 49.8 |
Mid-lower Yangtze River valley | 69.0 | 29.8 | 17.8 | 7.1 | 21.0 | 7.4 | 67.1 | 29.6 | 15.4 | 10.6 | 78.2 | 31.1 | 16.6 | 0.0 | 81.4 | 0.4 |
South China | 73.9 | 21.8 | 12.7 | 7.1 | 20.0 | 2.7 | 65.3 | 13.7 | 12.2 | 4.4 | 75.5 | 8.9 | 33.9 | 1.6 | 63.3 | 1.1 |