About KUMAGAI HIROSHI
About 福岡県保健環境研
About KOMAI YUKIO
About 水環境学会誌
About Seto Inland Sea
About marine pollution
About nutritive salt
About eutrophication
About regional difference
About load
About environmental management
About closed water body
About river inflow
About pollutant load
About Marine pollution
About 閉鎖性内湾
About 貧栄養化
About 瀬戸内海
About 河川
About 栄養塩
About 流入
About 状況