# aphotic zone

> portion of a lake or ocean where less than 1% of sunlight penetrates

**Wikidata**: [Q618477](https://www.wikidata.org/wiki/Q618477)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Aphotic_zone)  
**Source**: https://4ort.xyz/entity/aphotic-zone


## References

1. Freebase Data Dumps. 2013
2. Environment Ontology