The final data base included 113 sites for biomass measurement
(76 sites were sampled in this study, and 37 sites were assessed in
previous studies), 39 sites for ground layer C measurement (all 39
sites were sampled in this study), and 49 sites for soil C measurement
(30 sites were sampled in this study, and 19 sites were
assessed in previous studies) (Table 1, Fig. 1). Field sampling at each
site in this study was conducted as following: