Assertion: oyster | /r/CapableOf | improve water quality
Facets:
value: in their habitat
type: LOCATION
value: by naturally filtering pollutants
type: MANNER
Source sentences:
text: The oysters could help limit erosion and improve water quality by naturally filtering pollutants out.
text: Oysters have a big impact on the ecosystem due to their feeding mechanism and they improve the water quality in their habitat.