The results indicated that it is unbiased to estimate basal area of stand but inefficient when estimating stems per hectare by point sampling.
结果表明：点抽样估计林分断面积是无偏的，而估计林分每公顷株数效率不高。
The principle and method of line intersect sampling for surveying stand volume were introduced in this paper. and tested in coniferous forests and broad-leaved forests.
系统地论述了林分蓄积量调查的线截抽样原理和方法、并在针叶林和阔叶林中进行了验证。
The principle and method of line intersect sampling for surveying stand volume were introduced in this paper. and tested in coniferous forests and broad-leaved forests.
系统地论述了林分蓄积量调查的线截抽样原理和方法、并在针叶林和阔叶林中进行了验证。
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