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Input data are EFLALO and TACSAT data formats (see VMStools R library on github) and need to be put in the EflaloAndTacsat folder. Two very small example are provided.
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Workflow itself is split in two parts: ** BenthisWorkflow2020.r is used to obtain a gridded swept area from interpolating bottom contacting gears tracks, ** couplingInterpolatedVmsToLandings2020.r is of use to obtain spatial origin of catches (landings) by dispatching landings back to interpolated VMS positions
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Equivalent but separated coding is provided for vessels using Pelagic Gears (e.g. OTM, PTM or PS).
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fuelEfficiencyGraphs2020.r provides a routine for plotting Value Per Unit Fuel and other ratios per aggregation of fleet-segments and FAO areas
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quickmap2020.r provides a routine for mapping the gridded data per fishery and species
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2 example shell scripts to run on a High Performance Computing (HPC) service are also provided as such a workflow can be both time and memory consuming
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Background map in use was made with Natural Earth. Free vector and raster map data @ naturalearthdata.com