According to the survey data of water quality from 2010 of fifteen monitoring sites which in the area of artificial reefs, one mass index of water quality evaluation method, comprehensive quality index method of Water quality and eutrophication level index method were used to analyze the water quality status in Haizhou Bay. The results shows that, each site BOD5, COD, DIN accord with standard of sea water quality class 1. DIP mostly belong to 2 class standard; In addition to four monitoring sites’ water integrated quality in the slight pollution status for grade 3, the rest of the eleven regions of the sea water is relatively clean for grade 2; This sea water’s N/P maintain the balance basically, In addition to a site appears eutrophication phenomenon, most are in low and medium nutrient level.
Time-Frequency Analysis of Broadband Acoustic Scattering from Chub Mackerel Scomber japonicus, Goldeye Rockfish Sebastes thompsoni, and Fat Greenling Hexagrammos otakii