<prompt> Qedela umusho olandelayo: Ngemva kwalokho, uDuffy wathuthela e-Alaska lapho ahola khona i-Alaska Heritage Program e-University of Alaska Anchorage. Ucwaningo lwakhe olukhulu lapho lwalugxile ekuthuthukiseni ukwehlukahlukana kwezinto eziphilayo endaweni yase-Alaska maqondana nezindawo ezivikelwe, kodwa futhi wahola i-APEX yeminyaka emihlanu eyizigidi zamaRandi i-Alaska Predator Ecological Experiment eyayibheka ukuvuselelwa kwezinyoni zasolwandle kulandela i- Exxon Valdez.  <response>: ukuchitheka kukawoyela. 