The forecast calls for the first significant pulse of Chinook salmon to cross the Yukon River Delta around June 15 this year, and the half way point of the run is expected to occur around June 23.
NWFSC scientists Eric Ward and Elizabeth Holmes, along with Ken Balcomb of the Center for Whale Research, have found a correlation between the abundance of Chinook salmon and the fecundity (reproductive success) of killer whales.
