地位指数是评定林地生产力的综合性指标,它与地位级相比,除了不受下层抚育间伐的影响外,还有一个重要的优点,即直观明了,可直接看出其在基准年时的树高生长水平。近年来,国内各地各主要造林树种都编制了地位指数表。地位指数级距多为2至3米,龄阶根据树木生长的快慢,有2、5或10年。在评定林地的地位指数时,一般根据现有林的优 The status index is a comprehensive index for assessing the productivity of woodland. Compared with the status level, there is an important advantage of being apart from the lower tending and thinning, that is, it is straightforward to understand that its tree at the base year High growth level. In recent years, the major afforestation species all over the country have compiled a status index table. The index of the status grade is mostly 2 to 3 meters, and the ages are 2, 5 or 10 years depending on how fast the trees grow. In assessing the status index of forest land, it is generally based on the superiority of the existing forest