Abstract:ased on the available data from literatures,a systematical analysis using plant ecologi-cal methodology was made on the Pinus tabulaeformis forest communities in China for theircharacteristics,biomasses in different climate regions,annual net productions and distribu-tions in various layers,and annual net productivities of biomass(NP/B).The results showthat the enclosed and about 30 vear old P. tabulaeformis forest communities had a biomass of 151.13t/hm2 in the east humid region of warm temperate zone(C),o...
