That's a much more complex question. It also varies year by year. You cannot use a measure that is fought over every year. Every year we have different productivity, so we cannot use that same variable every year.
Fish Health Researcher, Pacific Salmon Foundation
That's a much more complex question. It also varies year by year. You cannot use a measure that is fought over every year. Every year we have different productivity, so we cannot use that same variable every year.
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