National park

https://www.wikidata.org/wiki/Q46169

Field Hierarchy

Parent
Biology 34.8M papers	Geography 11.1M papers	Ecology 7.8M papers	History 7M papers
Archaeology 6.3M papers
Current
National park 49.4k papers
Child
Pika 999 papers		Wildebeest 861 papers

Trends

Notes

History