You can smell when winter arrives in Courtenay, British Columbia, particularly if you’re driving through an area of town known as the “Puntledge Bowl.” Chum Salmon (Oncorhynchus keta) lie draped over the rocks in a side channel slowly decomposing and adding nutrients back into the river and surrounding land. At this time of year, the Pink Salmon (Oncorhynchus gorbuscha) are …