However, because of the restrict of resolution, forest quantitative research concentrated primarily on forest stock volume estimation, while few research on forest land survey factors estimation such as mean diameter, mean tree height and so on.
但是，由于遥感分辨率的限制，森林遥感定量研究主要集中在森林蓄积量的估测研究，而对平均直径、平均树高等林分调查因子的估测研究的不多。
参考来源 - 基于IKONOS影像和DGPS技术的森林调查因子估测方法研究The dynamic simulation of forest volume and ecosystem construction of HFIR.
黑龙江森工林区森林蓄积的动态模拟及生态体系建设问题。
参考来源 - 黑龙江森工林区发展问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
DID模型用于分析集体林改对森林面积和森林蓄积量变化的净影响；
DID model was used to analyze net effects of CFTRC on the changes in forest areas and forest volume;
我国人工林森林蓄积量每公顷只有49立方米，也就是一亩地只有3点几个立方米。
Our man-made forest growing stock per hectare poses/ records only 49 cubic meters that equals only over 3 cubic meters per Mu.
2003至2008年，森林面积净增2054万公顷，森林蓄积量净增11.23亿立方米。
Between 2003 and 2008, China's forest coverage registered a net increase of 20.54 million hectares and forest stock volume rose by 1.123 billion cubic meters.
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