The results shoed that most of the forests in Pearl River Delta were of young-medium age, which occupied 80% or more of the total forest area, and their undergrowth biomass accounted for about 33% of the total forest biomass indicating that the regional f
The results shoed that most of the forests in Pearl River Delta were of young-medium age, which occupied 80% or more of the total forest area, and their undergrowth biomass accounted for about 33% of the total forest biomass indicating that the regional f
结果表明：珠江三角洲的中幼林面积占森林总面积的80%以上，其林下植被生物量约占森林总生物量的33%，充分考虑林下植被生物量能提高区域森林生物量估算的精度。