These results indicate that the cultural management measures, routine feeding and fertilization, stocked tilapia and bivalve and periphery algae all affect the gross primary production in enclosures, in which management measures usually play an important role. 实验结果显示,养殖管理措施、放养的罗非鱼和贝类以及附生的丝状藻类都能对围隔初级生产力产生一定的影响,其中管理措施往往起到较重要的作用。