The major factor controlling the distribution of the phytoplankton concentrations was diffuse process in Bay tip and the mouth was phosphate loads in Bay mid.

• 由季节变化模拟结果可知，在湾顶部的排污口区藻类生产显示明显的季节变化趋势，在夏季，主要受到磷酸盐浓度的限制。