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利用TM影像,并通过野外40多条路线调查,设置141块临时样地,对滇西南9个地州30个县市的8283618hm~2的土地进行了森林资源监测,得到了各地类面积。
By using TM images and surveying more than 40 routes in the wild, 141 temporary plots were set up to monitor the forest resources of 8283618hm ~ 2 land in 30 counties and cities in 9 prefectures and prefectures in southwestern Yunnan. The area of each area was obtained.