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 (%)

<100013897528.691951.38966.59128.7426.78
1000–20005145710.622662.981172.2360.0412.49
2000–30005505611.372569.331238.9368.1414.18
3000–400010429121.532664.361211.74123.8125.76
4000–500013067826.982595.11678.0798.4320.48
>500039170.812277.45237.491.520.32