Assertion: horseshoe crab | /r/HasProperty | critical
Facets:
value: to the food web
type: TRANSITIVE-OBJECT
value: to the environment
type: TRANSITIVE-OBJECT
value: to the welfare
type: TRANSITIVE-OBJECT
Source sentences:
text: Horseshoe crabs are critical to the welfare of migrating shorebirds that stop along the Delaware Bay each spring to fuel up for the flight north to Arctic nesting grounds.
text: Horseshoe crabs are critical to the environment and the food web, but they are also very important to humans.