From: Machine learning and geostatistical approaches for estimating aboveground biomass in Chinese subtropical forests
Year
Young forest (%)
Half-mature forest (%)
Near-mature forest (%)
Mature forest (%)
Over-mature forest (%)
1992
40.19
40.52
15.32
3.04
0.93
2002
38.78
39.74
15.18
5.92
0.38
2012
21.90
41.33
20.75
12.84
3.18