This paper, taking Chinese Fir & Masson's pine as examples (objects), studied the site quality evaluation by the substitution of tree species in the same site types.

我们以杉木和马尾松为对象，研究了在相同立地类型中的树种代换评价方法。

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The site quality evaluation of forest in Puer county and its significance are discussed briefly, but its method and procedures including data collection and analysis are elaborated in detail.

简述了森林立地质量评价及其意义，并较详细地论述了普洱县立地质量评价的方法和步骤，包括资料的收集、整理及分析等。

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And the site quality evaluation table and site quality grade evaluation table are made, which are capable to directly predict the non-woodland productivity capacity and the growth impression.

并研制出云杉多因素数量化生境质量评定表和云杉多因素数量化生境质量等级评定表，可直接预测无林地生境生产力及更新后林木生长效果。

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