Changes in the sulfide content of bottom muds in going from river to sea.
D005618:Fresh Water / Q000032:analysis*; D007564:Japan; D012623:Seawater / Q000032:analysis*; D013440:Sulfides / Q000032:analysis*; D014867:Water / Q000032:analysis*; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
D013440:Sulfides; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D014867:Water