Assertion: manta ray | /r/HasProperty | worth
Facets:
value: provided is environmentally responsible
type: OTHER
value: over the course of its lifetime
type: TEMPORAL
value: easily
type: MANNER
Source sentences:
text: While fishers can earn up to US$ 500 from selling the gill rakers off a single large manta, a “mantanomics” analysis we presented to the Indonesian minister of marine affairs and fisheries showed conclusively that killing mantas is bad business for Indonesia; the same manta can easily be worth more than $1 million in tourism income over the course of its lifetime — provided that the tourism is environmentally responsible.