Site pages
Current course
Participants
General
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
Topic 6
Topic 7
Topic 8
Topic 9
Topic 10
Topic 11
Topic 12
Topic 13
Topic 14
Topic 15
Topic 16
Topic 17
Topic 18
Topic 19
Topic 20
Topic 21
Topic 22
Topic 23
Topic 24
Topic 25
Topic 26
Topic 27
Topic 28
Topic 29
6.2.4. FMSY & FMAX
6.2.4. FMSY & FMAX
FMSY is the effort level corresponding to MSY differs in that of FMAX. FMAX is fishing mortality rate at which average catch per recruit is at a maximum. FMAX is in weight. It is a function of growth rate and mortality rate of the stock as well as the size at which the fish enter the fishery. FMSY is independent of recruitment.
FMSY refers to fishing mortality rate at which the average long term catches from the stock is the highest. Hence, FMAX is a function of total production increase within the stock including efforts of changing yield for recruit and recruitment, which is also affected by fishing.
In maximum Economic Yield, the catch at this level will be less than open access catch on MSY by the economic rent to the industry i.e. surplus production will be at its maximum.