According to the Alaska Department of Fish and
Game, the drop-off in recent years in natural or wild salmon production in
Prince William Sound may be linked to colder ocean temperatures. However,
biologists are hesitant to say the shift has signaled the beginning of a new
cold regime or to call it a regime shift. And they say it's uncertain how
changing ocean temperatures will impact pink salmon productivity or survival.
KCHU's Erik Wander has more: