Bivariate relationships indicated that aboveground biomass was significantly
highest at good stand quality than moderate but non-signifi-
cantly different from low quality, and also moderate was nonsignificantly
different from low quality (Fig. 1a). We found non-signifi-
cant differences for DBH variation and species diversity among levels of
stand quality (Fig. 1b–c). There was no association between CEC and
each of DBH variation, species diversity and aboveground biomass
(Fig. 1d–f). Aboveground biomass significantly increased with DBH variation
(Fig. 1g) and species diversity (Fig. 1h).