About WATANABE RYOICHI
About HAMADA TERUKI
About YAMASAKI KOREYOSHI
About 福岡大 水循環生態系再生研
About 環境システム研究論文発表会講演集
About refuse (solid waste)
About urban river
About river pollution
About generation
About survey on actual situation
About Fukuoka prefecture
About source
About Fukuoka City
About Water Pollution
About 樋井川
About River pollution
About 都市河川
About 川
About ゴミ
About 組成
About 発生源
About 実態調査