Assertion: cormorant's population | /r/HasProperty | exacerbated by marine oil pollution
Facets:
value: possibly
type: OTHER
Source sentences:
text: In addition, its population is suspected to have undergone a rapid decline of 30% or more over the past 33 years (the estimate for three generations), due mainly to infrastructural development and disturbance at its nesting colonies, possibly exacerbated by marine oil pollution.