Community structure and species diversity of the barren hillsides in the arid valley of the upper reach of the Minjiang River

In the barren hillsides of the arid valley of the upper reach of the Minjiang River,the community structure and species diversity were studied.The data displayed that higher plants were very poor,the species diversity was very low and the difference of the community structure and species diversity were not apparent.It should be carried out as soon as possible to protect the plant resources and the biodiversity.