<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngemva kwalokho, uDuffy wathuthela e-Alaska lapho ayehola 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 ukuchitheka kukawoyela Exxon Valdez.  <response>: . futhi. 