Ariake Bay has Japan’s biggest nori seaweed farming field in the innermost part and suffered from environmental degradation since late 1990s. To elucidate seasonal patterns copepod community structure inner bay, we examined monthly plankton-net samples collected top 2-m layer at 11 stations for 5 years April 2002 to March 2007. Of stations, 7 were high-turbidity site (HTS) representing 4 offsho...