UNTUNG Wijayanto, 51, still remembers the time when he and his fisherman father went fishing in the Donan River in the 1970s during the eastern wind season which triggers high waves. As a result, the fishermen were unable to go fishing far outto the South Sea.

They simply went along the estuary and the areas around the Segara Anakan lagoons in Cilacap Regency, Central Java. Several rivers, like Donan and Citanduy, empty into these lagoons. Today,