A survey on effects of shrimp aquaculture on coastal waters of Bushehr

Shrimp aquaculture industry have started in coastal waters of Persian Gulf since 1994. This industry will race restrictions of aquaculture problems on environment, therefore studies on these probable problems are necessary for development or aquaculture in this region. This survey was carried out in Helle region to understand effects of aquaculture industry on coastal waters of Bushehr, in 1998. The variations of selected water quality parameters in influent water, effluent water and at sea were controlled monthly.The results show that the quality of water in effluent canal was more than other stations every month, variations of some important parameters of this station are as follows: Ammonia (0.06-0.30 mg/lit), Nitrate (0.29-1.96 mg/lit), Phosphate (0.009- 0.038 mg/lit), Nitrite (0.006-0.010mg/lit). Comparison of above data with permitable range of municipal and aquaculture waste and comparing the present data with data of normal condition or region, showed that aquaculture industry of Helle region have not had any obvious negative effect on coastal waters of Bushehr