Fish Stock Assessment Calculator
Stock status from catch data and abundance indices.
Inputs
Results
Initial population (N0)
12,500
Remaining stock7,500
Exploitation rate (%)40
Catchability (q)0.01
Status (0=healthy, 1=full, 2=over)1
Avg CPUE50
How to Use This Calculator
- Enter Initial CPUE (kg/effort), Final CPUE (kg/effort), and Total catch (kg).
- Set Total effort (units).
- Review the Initial population (N0) result.
- Use Remaining stock and Exploitation rate (%) to inform your decision.
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