立地质量综合评价及其应用的研究

A METHOD OF SITE CLASSFICATION AND MULTIPLE EVALUATION FOR APPLICATION

本文以荣县西北低山区为例,提出了一种适合在林业生产中应用的立地分类和立地质量评价方法。在采用ISODATA技术将研究地区划分为八个立地类型的基础上,根据土壤属性和森林生长状况,用综合评价方法评价了立地质量,并预测林地生产力。根据评价结果,拟定了改善林地质量的措施和适宜的造林树种,分析和应用结果证明立地类型划分合理,评价方法可靠、实用,易于掌握。

Amethod of site classfication and multiple evaluation is introduced with an example of appliction in the lower mountain aera of Rong County in Sichuan Province. Baesd on the eight site types classfied by ISODATA technique, site quality is evaluated according to both soil prperties and site index. And also site productivity is estimated. The measures of bettering site condition and tree species choice for each type are suggested on the basis of classfication and evaluation. It is proved by application that site classfication is reasonable, and the method of evaluation is practical, reliable, ease to manipulate.