数字化彩色红外片在编制森林类型图上的利用

The use of colour infrared photograph in creating forest typs map

主要根据南京紫金山地区１９９６年１∶２万的彩色红外航空像片，采用目视判读的方法，对该地区的森林类型进行划分，小班森林类型判对率的结果为９３．１％，依此可以编制紫金山地区新的森林类型分布图，为紫金山风景区快速制定经营方针和搞好功能区划提供有力帮助，也为数字化彩色红外片制作林业专题图提供基础。

he forest types in Zhijing mountain area of Nanjing were classified by interpretation with 1∶20 000 colour infrared photograph in 1996.The interpretation result of sampling patches was 93 1% correct depending on it,we can make a map of new forest type,gain some help to manage this landscape area well,and build a basis to carry out digital mapping using colour infrared photograph. Author’s address Nanjing Forestry University,Nanjing 210037 PRC