The occupied rate of microhabitats,sampled percentage of species and relative abundance of butterfly community in the Three Gorge Reservoir Area of Yangtze River New Record of Two Endangered Plants in the Inundation Zone of the Three Gorge Reservoir Area A PRELIMINARY STUDY ON THE DESIGN OF A COMMUNITY FOR EX SITU CONSERVATION OF THE RARE AND ENDANGERED PLANTS IN THE THREE GORGE RESERVOIR AREA The diversity indexes, richness and evenness of butterfly communities in the Three Gorge Reservoir Area of Yangtze River The altitudinal pattern of insect species richness in the Three Gorge Reservoir Region of the Yangtze River: effects of land cover, climate and sampling effort THE ENDEMISM OF CHINESE SEED PLANTS IN THREE GORGE RESERVOIR AREA,CHANGJIANG RIVER,CHINA