National park

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

Field Hierarchy

Parent
Biology 36M papers	Geography 13.2M papers	Ecology 8.1M papers	History 8M papers
Archaeology 6.9M papers
Current
National park 54.3k papers
Child
Pika 1,090 papers		Wildebeest 868 papers

Trends

Notes

History