Hiroshima Prefectural Technology Research Institute

Long-term changes in water quality in the Seto Inland Sea, Japan: 53-year observations (1973–2025)

Abstract We analyzed 53 years (1973–2025) of water quality observations collected through the Fisheries Monitoring Program in the Seto Inland Sea (SIS), one of the longest-standing coastal monitoring efforts in Japan. Using climatological anomalies and non-parametric statistical...