Biodiv Sci ›› 1998, Vol. 06 ›› Issue (1): 13-21.DOI: 10.17520/biods.1998003
• 论文 •
YU Dan1), CHONG Yun-Xiao1), TU Mang-Hui1), WANG Xiao-Yan2), ZHOU Xiao-Hua2)
Based on the types of threatened species put forward by International Union for Conservation of Nature and Natural Resources( IUCN) , the threatened aquatic higher plant species of China were classified into
seven types as follows : two extinct ( Ex) , sixteen endangered ( E) , thirty one vulnerable (V) , twenty two
rare (R) , forty four indeterminate ( I) , twenty one out of danger (O) and eleven external ( El) species. The
factors affecting these threatened species were also discussed.
YU Dan, CHONG Yun-Xiao, TU Mang-Hui, WANG Xiao-Yan, ZHOU Xiao-Hua, . Study on the threatened aquatic higher plant species of China[J]. Biodiv Sci, 1998, 06(1): 13-21.
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