Ythan Pong

3 Questions 1 Answers 0 Followers

Questions related from Ythan Pong

Why the high of natural mortality rate?

In Fishbase, why is there sometimes a high result of natural mortality and fishing mortality negative? Example: M = 0.5 Z = 0.25 F = - 0.25 I'm trying to find the answer but it's really hard.

10 November 2021 5,315 6 View

Calculated the length at first maturity (Lm)?

Can we calculate the length maturity (Lm) from Fishbase? I want to know maturity fish from sampling, can I used the maximum length of fish in my sampling calculated in Fishbase?

18 September 2021 6,727 6 View

How do we know or make sure that the L50 assessment is really mature fish if not using the GSI method?

I interesting in the biology of fish now, have some things, I don't understand about maturity fish. How do we know or make sure that the L50 assessment is really mature fish if not using the GSI...

11 May 2021 6,158 3 View