Sockeye Salmon Population Diversity & Portfolio Effects

A landmark study on salmon, fisheries, and ecosystem science is the cover of today's issue of Nature. Titled, "Population diversity and the portfolio effect in an exploited species," this story from Bristol Bay, Alaska has broad implications for protecting and restoring fisheries in the US, Canada, and around the world. It underscores the importance of having a diversified portfolio of fish stocks to keep an economy afloat.