Preliminary Report of Mikania micrantha Jeopardize Status on Burma Road

In order to master the distribution characteristics of Mikania micrantha jeopardize status in core area,the occurrence and damage status of Mikania micrantha have been surveyed on both sides of 200 m along Burma road from Mukang to Wanding.The results showed that the distribution of Mikania micrantha was scattered,the distribution frequency was high in lower latitudes,or near the China-Burma bored;occurrence coverage of Mikania micrantha was changeable with uneven thickness and area,Mikania micrantha showed strong invasive ability on various plant species;and its distribution point focused in farmland,sparse woodland,rivers,streams,ditches and farmers courtyard;the hazard status of Mikania micrantha was relatively light in high canopy density forest,but has not yet occurred in fully canopy forest.