Research Article
Simulating Spatiotemporal Dynamics of Sichuan Grassland Net Primary Productivity Using the CASA Model and In Situ Observations
Table 3
Distribution of APAR for different ranges of elevation for Sichuan province in 2011.
| Range of elevation (m) | Area (km2) | Percentage of area (%) | The highest APAR (MJ/m2) | The average APAR (MJ/m2) | The total APAR (1012 MJ) | Percentage of the total APAR (%) |
| <1000 | 138975 | 28.69 | 1951.38 | 966.59 | 128.74 | 26.78 | 1000–2000 | 51457 | 10.62 | 2662.98 | 1172.23 | 60.04 | 12.49 | 2000–3000 | 55056 | 11.37 | 2569.33 | 1238.93 | 68.14 | 14.18 | 3000–4000 | 104291 | 21.53 | 2664.36 | 1211.74 | 123.81 | 25.76 | 4000–5000 | 130678 | 26.98 | 2595.11 | 678.07 | 98.43 | 20.48 | >5000 | 3917 | 0.81 | 2277.45 | 237.49 | 1.52 | 0.32 |
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