Water quality

https://www.wikidata.org/wiki/Q625376

Field Hierarchy

Parent
Biology 36.7M papers	Ecology 8.3M papers	Hydrology 2 papers
Current
Water quality 182k papers
Child
Fecal coliform 13.6k papers	Nonpoint source pollution 9,957 papers	Water Framework Directive 6,742 papers	Waterborne diseases 3,980 papers
Indicator bacteria 3,431 papers	Clean Water Act 3,168 papers	Nutrient pollution 2,799 papers	Tile drainage 2,184 papers
River pollution 2,173 papers		Point source pollution 1,908 papers

Trends

Notes

History