Study The Effectiveness of Reservoir Utilization In The Fishpond Water Management System In Maintaining Salinity For Fishpond Cultivation

Abstract

The growing global population has led to an increased demand for food to meet humanity’s needs. However, the degradation of productive land presents a significant challenge regarding ensuring food availability. The utilization of wetlands has emerged as a feasible alternative. As the second-longest coastline in the world, Indonesia holds great potential for wetland development, for instance, fishpond. Nevertheless, the prevailing extensive traditional fishponds have low productivity and fail to maximize profits. Therefore, shifting towards more intensive cultivation methods is necessary to enhance productivity and increase profitability. This study aims to evaluate the effectiveness of reservoirs in maintaining salinity levels, aiming for technological improvement in semi-intensive fishponds. A water system model in the pond irrigation area is utilized to accomplish this. The model consists of two variations: Model 1, which includes rivers and channels, and Model 2, which combines rivers, channels, and reservoirs. The study results indicate that integrating reservoirs into the water system can significantly enhance salinity distribution. Model 2, which combines the reservoir component, demonstrates superior salinity dispersion. Furthermore, this enhanced dispersion persists over a longer period. These findings underscore the potential of reservoir utilization to improve the effectiveness of semi-intensive fishponds and their overall productivity.