Assertion: horseshoe crab's population | /r/Desires | the horseshoe crabseggs
Facets:
value: for food
type: PURPOSE
value: during their spring migration
type: TEMPORAL
value: heavily
type: DEGREE
Source sentences:
text: Conservationists have also voiced concerns about the declining population of shorebirds, such as red knots, which rely heavily on the horseshoe crabs' eggs for food during their spring migration.