Assertion: brook trout | /r/HasProperty | key species
Facets:
value: in terms of a system
type: OTHER
Source sentences:
text: Brook trout are a key species in terms of a system, a watershed, they’re at the top where the water starts.
text: Brook trout is a keystone species,” remarks Jim Schaberl, division chief of natural and cultural resources for Shenandoah National Park.