Evaluation of the water suitability of floating net cages aquaculture in Kedung Ombo Reservoir, Central Java

Pramesthi Mustikaning Bawono (Departement of Aquatic Resources, Faculty of Fisheries and Marine Sciences, Universitas Diponegoro)
Arif Rahman (Departement of Aquatic Resources, Faculty of Fisheries and Marine Sciences, Universitas Diponegoro)
Churun Ain (Departement of Aquatic Resources, Faculty of Fisheries and Marine Sciences, Universitas Diponegoro)
Haeruddin Haeruddin (Departement of Aquatic Resources, Faculty of Fisheries and Marine Sciences, Universitas Diponegoro)
Kukuh Prakoso (Departement of Aquatic Resources, Faculty of Fisheries and Marine Sciences, Universitas Diponegoro)
Atika Arifati (Departement of Aquatic Resources, Faculty of Fisheries and Marine Sciences, Universitas Diponegoro)

Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Vol 14, No 1 (2025): MARCH 2025

Kedung Ombo Reservoir is one of the reservoirs in Central Java which is used for irrigation, tourism, and aquaculture activities. Common problems in reservoir waters are nutrient enrichment by organic waste from fish feed and other sources. The aim of this study was to evaluate the level of water suitability based on water quality. This study was conducted in June-August 2023. Sampling was carried out at three stations with different floating net cage densities. The water quality variables measured included dissolved oxygen (DO), temperature, pH, transparency, turbidity, ammonia, biochemical oxygen demand (BOD), nitrate, phosphate, and chlorophyll-a. Evaluation of the water suitability for floating net cage waters in Kedung Ombo Reservoir was determined by a weighting matrix and water suitability index. The water suitability evaluation of floating net cages in three stations was categorized as suitable. All variables were suitable except BOD at all stations and DO in stations 1 and 3.Keywords:Dissolved oxygenFloating net cageKedung Ombo ReservoirSuitabilityWater quality