Alberta Fisheries Management – Fishery Productivity

How many fish can be sustainably harvested from an Alberta lake? To answer that question, you need a basic understanding of biological economics. Let’s start by asking some straightforward questions:

  • How many fish are in a lake?
  • How many fish do you want to be there?
  • What is the annual interest rate (the surplus population growth rate)?
  • How necessary or important is reinvestment of fish back to the population?

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