Assertion: lamprey | /r/CapableOf | play important role
Facets:
value: in processing nutrients
type: TEMPORAL
value: in its tributaries
type: LOCATION
Source sentences:
text: Lamprey also played an important role in the ecology of the Columbia River and its tributaries, contributing nutrients to the water as the fish died and decayed and serving as prey for other fish.
text: Lampreys are of high ecological value and can play an important role in processing nutrients, nutrient storage, and nutrient cycling in streams.