Water quality

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

Field Hierarchy

Parent
Biology 36M papers	Ecology 8.1M papers	Hydrology 2 papers
Current
Water quality 179k papers
Child
Fecal coliform 13.4k papers	Nonpoint source pollution 9,834 papers	Water Framework Directive 6,695 papers	Waterborne diseases 3,924 papers
Indicator bacteria 3,395 papers	Clean Water Act 3,151 papers	Nutrient pollution 2,732 papers	Tile drainage 2,158 papers
River pollution 2,119 papers		Point source pollution 1,872 papers

Trends

Notes

History