Freshwater macroinvertebrates.
D004463:Ecology; D007220:Industrial Waste / Q000032:analysis*; D007448:Invertebrates; D008722:Methods; D010101:Oxygen Consumption; D010507:Periodicity; D010575:Pesticides; D012722:Sewage / Q000032:analysis; D014876:Water Pollution; D014878:Water Pollution, Radioactive; D014881:Water Supply / Q000032:analysis*
D007220:Industrial Waste; D010575:Pesticides; D012722:Sewage