Table 9.
Statistics of vegetation aboveground biomass in study area.
| Grade | AGB/(g/m2) | Arbors |
Shrubs |
Herbs |
Crops |
||||
|---|---|---|---|---|---|---|---|---|---|
| Area/(km2) | Proportion/(%) | Area/(km2) | Proportion/(%) | Area/(km2) | Proportion/(%) | Area/(km2) | Proportion/(%) | ||
| Ⅰ | 0 < AGB ≤ 65 | 78.04 | 16.74 | 0.17 | 0.01 | 1245.46 | 75.21 | 45.11 | 0.92 |
| Ⅱ | 65 < AGB ≤ 280 | 175.23 | 37.58 | 0.31 | 0.01 | 410.43 | 24.79 | 182.80 | 3.73 |
| Ⅲ | 280 < AGB ≤ 950 | 212.23 | 45.68 | 2087.26 | 99.98 | – | – | 1436.62 | 29.31 |
| Ⅳ | 950 < AGB ≤ 1450 | – | – | – | – | – | – | 3236.96 | 66.04 |
| Total | – | 466.25 | 100.00 | 2087.74 | 100.00 | 1655.89 | 100.00 | 4901.49 | 100.00 |