Experiments with reci- rculating water culture system were designed and tested, compare the effect of Gracilaria upon the survival of shrimp laravae.

• 龙须菜养殖箱与草虾养殖箱循环用水模型的 实验中结果显示，龙须菜可利用草虾养殖箱中多馀的有机物作为成长所需 之营养盐，并且提供草虾苗较佳的水质环境。