How to compute for fishing mortality at optimum level or F50?

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Yambem Tenjing Singh

GO TO THE MANUALS/TUTORIAL OF FiSAT II, WHICH IS AVAILABLE IN UPPER RIGHT SIDE CORNER. It is simple enough.

Paulraj Jawahar

Fishing mortality can be calculated based on Z (estimated by Length converted catch method in FiSAT II) subtracting M (caclulated by Paulys empirical equation). Fopt can be calculated using selection ogives method.

Michaël Gras

You can have at Derek Ogle website.

http://derekogle.com/fishR/

I think you can find what you need but you also need to be able to work in R.

K. S. Jameela Beevi

I think this can this be done by probit analysis.

Sfriramachandra Murty V

SEE THE ATTACHED REFERENCES. THEY ARE LIKELY TO HELP HOU