| element concentrations in water spinach (ipomoea aquatica forssk.), fish and sediment from a wetland production system that receives wastewater from phnom penh, cambodia. | the cheung ek lake, which is located south of phnom penh, cambodia, receives most of the industrial and domestic wastewater that is produced in the city. the lake is used for fishing and production of water spinach (ipomoea aquatica forssk). concentrations of 35 elements were determined in water spinach and sediment that were collected along transects of two wastewater inlets in the lake, at the lake outlet, and in a non-wastewater exposed pond. elevated concentrations of the potentially toxic e ... | 2009 | 19085597 |