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地位级表和立地指数表尽管都有缺点,但都是可用的鉴定立地质量的测树数表。每个国家选用何种数表,主要应考虑与该国整个森林经理和调查工作协调一致。林分平均年龄和林分平均高在我国是必备调查因子,因此在我国以采用地位级表为宜,无需增加额外调查工作就可定出林分立地质量。采用本文推荐的办法,基本上不需什么费用,各省利用已有小班调查数据,几个熟悉业务的人,快则几天,慢则月余,可快速编成本省各树种和树种组的高质量地位级表。
Although both the status rank and the site index tables have drawbacks, they are all available tables of tree gauges for identifying site quality. What kinds of tables should be used for each country should mainly be considered in harmony with the entire forest manager and survey work in the country. Therefore, in our country, it is advisable to adopt the status class table to determine the quality of stand-alone forest without additional investigation. The method recommended in this paper, basically do not need any cost, the provinces have been using small class survey data, several people familiar with the business, fast a few days, slow is more than a month, can be quickly compiled into the province of the species and tree species of high Quality status level table.