【摘要】 通过对高岩子林场所设标准地的生境因子海拔、坡度、坡向、坡位、土层厚度进行调查统计 ,计算出在各生境因子上的生态位宽度、权重以及平均权重、成数 ,以此来分析和评价森林资源 .更多还原

【Abstract】 This paper analyzed and appraised the forest resource in Gaoyanzi forestry center. On the basis of the investigation and statistics of the niche genes in standard plots, such as altitude, gradient, slope direction and soil thickness, we calculated the niche breadth, weight, average weight and the percentage of different indexes of each gene, and appraised the forest resource.更多还原