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Table 1 Summary characteristics of six forests and eight ecoregions in the subtropical region of China

From: Aboveground biomass estimation at different scales for subtropical forests in China

Forest types N n D2H AGB (kg)
Min Max Mean Min Max Mean
Cunninghamia lanceolata forest (CL) 6 219 16.97 23,469.40 2878.59 1.25 358.95 49.86
Coniferous mixed broadleaf forest (CMBF) 6 77 20.39 9973.85 1587.48 1.35 156.32 42.84
Deciduous broadleaf forest (DBF) 5 40 50.69 9481.50 2157.55 2.76 240.26 59.28
Evergreen broadleaf forest (EBF) 6 277 80.69 42,360.52 4492.07 3.85 719.51 121.74
Eucalyptus tree species forest (ETS) 5 76 84.24 6149.86 1882.65 2.25 201.05 46.72
Pinus massoniana forest (PM) 7 283 16.25 19,822.5 2297.85 1.01 388.74 53.75
Ecoregions M n MAT (°C) MAP (mm)
Min Max Mean Min Max Mean
Yangtze river delta ecological zone (ER1) 4 55 5.3 17.2 14.0 491 1381 907
Evergreen broadleaf forest ecological zone in the mountains of Zhejiang and Fujian provinces (ER2) 6 254 11.6 20.4 16.5 1022 1653 1342
Ecological zone in Jiangnan and Nanling mountains and hill (ER3) 6 185 13.0 20.7 16.9 1069 1626 1385
Evergreen broadleaf forest ecological zone in the mountains of the west Hunan, Guizhou and Hubei provinces (ER4) 6 161 7.4 17.7 14.8 798 1356 1073
Karst evergreen broadleaf forest and agricultural ecological zone in Guizhou and Guangxi provinces (ER5) 3 121 10.1 21.1 16.9 887 1493 1254
Ecological zone of Sichuan Basin (ER6) 2 39 7.3 18.1 15.4 677 1232 911
Ecological zone on Yunnan Plateau (ER7) 2 36 − 8.3 19.6 12.5 618 1129 831
South humid subtropical ecological zone (ER8) 6 121 6.9 22.9 19.1 833 1770 1252
  1. Abbreviations in the brackets indicated each forest type and individual ecoregion, respectively in the subtropical region of China. Climate data, including mean annual temperature (MAT) and mean annual precipitation (MAP) was obtained from the National Climate Center (http://ncc.cma.gov.cn/cn/)
  2. N number of forest distributed ecoregions, n number of sampling plots, M number of forest types