Chapter 7 – Size and reproduction: yield per recruit models

Abstract

QUESTIONS ASKED

• What are the bases of the traditional regulations of effort and gear in fisheries?
• What are the trade-offs between fishing early or late on the reproductive potential of the stocks?
• How certain is the advice, and what are the risks?

Yield pr recruit R-based

R-script YR I PR by projection contour F tc

R-script YR II by projection single tc (F and f based)

R-script YR III PR by projection Monte Carlo Risk single F tc