Study on the Vertical Distribution Pattern of Vegetation in Yarlung Zangbo Grand Canyon——Take the Duoxiong River and its Adjacent Areas as an Example
A preliminary study on the vertical distribution pattern of vegetation in Yarlung Zangbo Grand Canyon Basin was carried out based on the field survey of the Duoxiong River and its adjacent areas and 3S remote sens-ing interpretation technology,and the habitat similarity of three tributaries(the Duoxiong River,the Bixiri River and the Dan'gezhuo River)of the Baimaxilu River was analyzed.The results showed that the vegetation in the Duoxiong River and its adjacent areas can be devided into six vertical distribution in sequence from the river sur-face upwards:tropical monsoon rainforest zone,subalpine evergreen and semi-evergreen broadleaved forest zone,subalpine coniferous forest zone,alpine shrub zone,and flowstone beach vegetation zone and permanent ice and snow zone;the habitat similarity between the Bixiri River and the Duoxiong River is higher than that of the Dan'gezhuo River and the Duoxiong River.
XizangYarlung Zangbo Grand Canyonvegetationvertical distributionthe Duoxiong River
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