Assertion: owl's population | /r/CapableOf | decrease prey
Facets:
value: on ruffed grouse
type: LOCATION
value: in the boreal forest
type: LOCATION
value: to contribute to population reductions
type: PURPOSE
value: enough so
type: MANNER
value: in years
type: TEMPORAL
value: in the earlier bird
type: OTHER
Source sentences:
text: In the boreal forest, especially in years where the snowshoe hare experiences population decreases, great horned owls prey fairly heavily (approximately 25% of biomass) on ruffed grouse (Bonasa umbellus) and spruce grouse (Falcipennis canadensis), enough so in the earlier bird to possibly contribute to population reductions.