About UCHIDA SHUJI
About FUNAYAMA YOSHIICHI
About 福島工業高等専門学校研究紀要
About lake pollution
About lake
About Fukushima prefecture
About Anguilla japonica
About animal
About nature conservation
About river pollution
About repair action
About water quality test
About eutrophication
About phytoplankton
About dissolved oxygen
About transparency
About water temperature
About iron
About zinc compound
About metal ion
About manganese compound
About COD
About sewage improvement
About run up
About waterway
About water purification
About environment
About water quality management
About nutritive salt
About manganese ion
About Zn2+
About 賢沼
About aqueous environment
About natural monument
About Lake pollution
About Nature conservation
About 水環境