Similar results found proportion of the dominant species higher than 60%. Such as follows: A. hemistoma accounted for 67.14% of jellyfish species for October 2007, whereas N. punctata accounted for 99.88% of jellyfish species during Octo- ber 2008 (Fig. 6). 3.7. Statistical analysisAmong all of the species, a positive correlation was observed between the abundance of C. bigelowi and L. multicristata and seawater temperature (Pearson's correlation, Table 4). Very few species exhibited changes in their density, which correlated significantly with salinity. Moreover, the abundance of L. undulate and N. bijuga correlated positively with salinity. By contrast, the abundance of L. subtilis correlated negatively with salinity (Table 4).