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Table 7 Areas and volumes of young and middle-aged forests and mature (including near-mature and over-mature) forests from eight NFIs in China

From: The national forest inventory in China: history - results - international context

NFIs Young and middle-aged forests Mature forests
Area (million ha) % Volume (billion m3) % Area (million ha) % Volume (billion m3) %
NFI1 70.68 64.14 2.49 28.75 39.51 35.86 6.17 71.25
NFI2 68.19 69.00 3.39 38.52 30.64 31.00 5.41 61.48
NFI3 72.17 68.48 3.36 37.71 33.22 31.52 5.55 62.29
NFI4 77.84 69.60 3.71 37.44 34.00 30.40 6.20 62.56
NFI5 92.27 69.69 4.20 38.50 40.14 30.31 6.71 61.50
NFI6 96.88 67.85 4.71 38.93 45.91 32.15 7.39 61.07
NFI7 104.63 67.25 5.35 40.04 50.96 32.75 8.01 59.96
NFI8 106.43 64.66 5.74 38.84 58.17 35.34 9.04 61.16