lowest evenness
2.The result suggests that the species richness index ranks as following among 6 stations: Yangma Islet>Drogan-whisker Islet>Moon Bay>Jingouzhai>Jingouzhai Gravel, and Yangma Islet possessed the highest species diversity index, while Jingouzhai the lowest, the order of species diversity index among 6 stations is Yangma Islet>Moon Bay>Drogan-whisker Islet >Jingouzhai>Zhifu Islet>Jingouzhai Gravel, the order of species evenness index is: Moon Bay>Drogan-whisker Islet>Yangma Islet>Jingouzhai>Zhifu Islet>Jingouzhai Gravel.

