AMF spore density ranged from 5 to 6400 per 100g soil with an average of 1504, and the species richness in each soil sample was 1~18 with an average of 9.

• 金沙江干热河谷土壤中丛枝菌根真菌的孢子密度为5~6400个/100g土壤,平均1504; 每个根际土壤中丛枝菌根真菌的物种丰富度1~18种,平均9种。