Mezue ahịrịokwu na-esonụ: Mgbe nke ahụ gasịrị, Duffy kwagara Alaska ebe o duziri Alaska Heritage Program na Mahadum Alaska Anchorage. Nnyocha ya bụ isi ebe ahụ lekwasịrị anya na biodiversity nke ala Alaska n'ihe metụtara ebe ndị echedoro, mana ọ na-edukwa APEX (Alaska Predator Ecological Experiment) nke na-elekọta mgbake nke nnụnụ mmiri mgbe "Exxon Valdez" gasịrị.
mmanụ a wụfuru.