| Abstrak/Abstract |
Improved efficiency in water use is one of the main priorities of the sustainable intensification of aquaculture. This study aims to investigate groundwater suitability in a sandy coastal area, in Bantul, to develop sustainable whiteleg shrimp (Litopenaeus vannamei) ponds in pre-selection. The groundwater suitability was evaluated by using the Groundwater Availability Index (GWAI) and Groundwater Quality Index (GWQI). GWAI was used to determine a ratio between the demand and the safe yield of groundwater. GWQI used to analyze groundwater quality consisted in the determination of physicochemical parameters (salinity, temperature, turbidity, total suspended solids, pH, dissolved oxygen, BOD-5, ammonia, phosphate and organic matter) and a biological parameter (total Vibrio). The result shows that GWAI ranges from 240 to 428, indicating that the groundwater is under the “very critical” condition and its use has faced overexploitation. However, the GWQI ranges from 65.96 to 98.37, explaining that the groundwater quality is good for shrimp farming. Based on these two indices, it is concluded that groundwater in this area is not suitable for the development of shrimp ponds. The next step in the site selection of shrimp ponds can be continued, but focused on regulating shrimp ponds under the physical and production carrying capacity. |
