Table 1: Set parameter values used in the simulation.

Normal distribution for generating a day (µy) in a survey year when maximum moulting occurs
mean 150
coefficient of variation 0.05
Lognormal distribution for generating number of moulting crabs (Фy) at day µy
Median 1000
coefficient of variation 0.53
Two-piece normal distribution for generating expected number () of moulting crabs for a given day of a survey year
the maximum and common value
standard deviation for the left half 60
standard deviation for the right half 70
Lognormal distribution for generating actual number (Ny, d) of moulting crabs for a given day of a survey year
Median
coefficient of variation 0.31
Sustaining probability for a softshell crab 0.95
Catchability coefficient 0.0002
Lognormal distribution for generating random variate for catch per unit effort
Median 1
coefficient of variation 0.59

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