活立木蓄积量

活立木蓄积量活立木蓄积量
  1. 据2002年湖南省森林资源统计年报,全省林业用地面积18343.2万亩,森林覆盖率53.13%,活立木蓄积量31352.34万m3。

    The statistical data annual reports of forest resources in Hunan are : forestry area 18.343 ? 2 million mu , forest cover rate 53.13 % , the growing stock volume 31.352 ?

  2. 本文在综合森林覆盖率、活立木蓄积量、单位面积森林蓄积量等传统林业评价指标的基础上,研究提出了一项新的指标&森林厚度。

    This paper analyzes the offect of forestry vegetation bestrewing rate change to inner drainage area runoff in the upper reach of Huma River in Daxinganling Area .