I was typing with much passion in mind when the notion of MSY suddenly came to mind from my days studying at URI over a decade ago.
Before I run my mouth too much, at least for now, I'll read up on this to refresh my memory. I would suggest others do the same, for it gives great insight into how our fisheries are managed.
Understanding Fisheries Management: A Manual for understanding the Federal Fisheries Management Process, Including Analysis of the 1996 Sustainable Fisheries Act
http://nsgl.gso.uri.edu/masgc/masgch00001.pdf