Assertion: bluefin tuna's level | /r/HasProperty | sustainable
Facets:
Source sentences:
text: The actual catch, the scientists reported, was likely more than double the 28,500 metric tons of the allowable catch, and more than quadruple a level that was sustainable.
text: Provided that the Southern Bluefin Tuna was kept at sustainable levels, Australia and New Zealand sought to profit from their own preservation policies.