The link Eyefish provided on the other thread seems to provide a far more detailed history of how that fishery has been exploited by all of its users resulting in its current condition:

http://peninsulaclarion.com/news/2013-11-23/king-salmon-part-4-what-became-of-the-yukon-kings
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Remember to immediately record your catch or you may become the catch!

It's the person who has done nothing who is sure nothing can be done. (Ewing)