Assertion: eagle's decline | /r/HasProperty | steep
Facets:
Source sentences:
text: In the mid-20th century, bald eagles suffered a steep decline as a result of persecution, habitat loss, and the introduction of a pesticide called DDT (dichlorodiphenyltrichloroethane) to the environment.
text: The short-toed snake eagle has suffered a steep decline in numbers and range in Europe and is now rare and still decreasing in several countries due to changes in agriculture and land use.