Dr. Andrew Kinziger, fisheries department chair, at Humboldt State University

“There has been a revolution in genetic sequencing techniques. This has allowed surveys of an entire genome of Chinook salmon and determination that the spring-run ecotype is controlled by a single gene of major effect,” said Dr. Andrew Kinziger, fisheries department chair, at Humboldt State University who believes in “nature’s portfolio effect.” Credit: John Heil/USFWS