Seaweed utilization for phytoremediation of Litopenaeus vannamei shrimp farming waste in recirculation systems (environmentally friendly design of sustainable shrimp culture)

This research aims to create a model of shrimp culture applications using seaweed as phytoremediation in recirculation systems. The research is expected to solve issues of environmental damage to the exploitation of mangrove forests for shrimp culture area and culture waste disposal into open waters. The data showed that damage to the environment and the spread of various diseases have led to crop failure and reduced production of shrimp culture in several countries including Indonesia. To solve these problems, we need a shrimp culture technology incorporating an ecological approach or in other words eco-friendly shrimp culture (environmentally friendly) with waste utilization as optimal as possible. In addition, these technologies should be inexpensive and easily applied by society and economically profitable. Seaweed as well as biological filters can also increase the value of aquaculture production. The increasing value of the benefits of waste will have a positive impact on the use of resources more efficiently. The research data showed that Gracilaria sp. has the ability to utilize organic waste from shrimp farming Litopenaeus vannamei which was higher than Eucheuma sp. and Caulerpa sp. Field-scale model test results show that the use of seaweed is also able to increase the growth of shrimp culture and water quality. So, this technology is able to reduce the level of water pollution and maintain the sustainability of the production and aquaculture activity.