BrokenStick
Background
This file has been created by Bec Gorton to assist Atlantis end users to tune and debug the broken stick management strategy.
File Description
Below is a sample output file:
Time SpeciesName FisheryName FCurr FTARG CurrentBiomass BrokenStickScaler
3.650000e+02 FPS midwcFP 2.881297e-01 7.213860e-02 5.123063e+05 2.503685e-01
7.300000e+02 FPS midwcFP 8.565187e-02 7.213860e-02 5.678410e+05 8.422303e-01
1.095000e+03 FPS midwcFP 2.455630e-01 7.213860e-02 4.690811e+05 2.937682e-01
1.460000e+03 FPS midwcFP 9.920250e-02 7.213860e-02 4.400132e+05 7.271853e-01
1.825000e+03 FPS midwcFP 2.177240e-01 7.213860e-02 3.486150e+05 3.313306e-01
The file can be opened using excel or similar allowing space delimiters.
| ColumnName | Description | Units |
|---|---|---|
| Time | The day of the model run | Days since the model started |
| SpeciesName | The groupCode of the functional group | - |
| FisheryName | The name of the fishery | - |
| Fcurr | Annual mortality due to fishing - this is for the functional group over all fisheries | Proportion killed/yr |
| FTARG | The target annual fishing mortality value | Proportion killed/yr |
| CurrentBiomass | The total biomass of this functional group in the entire model | Tonnes |
| BrokenStickScalar | The scalar to apply to the mFC value for this group in this fishery to get a fishing pressure of FTARG | - |