Assertion: horseshoe crab | /r/CapableOf | rely to trigger migration
Facets:
value: to the coastal shallows for breeding
type: PURPOSE
value: on changes in daylight
type: TEMPORAL
Source sentences:
text: In addition to helping with hunting and food processing, horseshoe crabs rely on changes in daylight to trigger migrations from wintering grounds along the continental shelf (6m-20m) to the coastal shallows for breeding.