Status quo of biodiversity and protective countermeasures in the Yulong mountains, northwest Yunnan.

The Yulong mountain with the area of 26 000 hm2 is located in northwestern Yunnan.There are 2646 species,804 genera,145 families of seed plants which has characteristics such as abundant species of plants animals,diverse vegetation types,ancient origin,complicated geological components,a lot of endemic species,remarkable differentiation,special tourist resources.From the sides of specialty of The Yulong Mountains biodiversity,traveling,Scientific exploration,resources development,we analyzed the present situations and reasons of threats on biodiversity,and proposes protective countermeasures.