Table 3 Source and description of variables used in the model(s).
Variables | Type | Description | Source |
|---|---|---|---|
TAC | Factor | 1 or 0 (1 = TAC introduced for period 2017–2019) | NA |
fadsets | Integer | Number of FOB sets per year | Ob7, Sete, France |
fuel | Continuous | Average inflation adjusted to 2015 price of oil per barrel per year in USD | |
yft/skj | Continuous | Catch of yellowfin/skipjack in tonnes | Ob7, Sete, France |
events | Integer | Number of piracy events as a measure of intensity | |
yftpr/skjpr | Continuous | Average inflation adjusted to 2015 price of yellowfin/skipjack per tonne per year in USD | |
kW | Continuous | Vessel specific power in kilowatts | Ob7, Sete, France |
dmi | Continuous | Indian Ocean Dipole index | https://sealevel.jpl.nasa.gov/data/vital-signs/indian-ocean-dipole/ |
fscsets | Integer | Number of FSC sets per year | Ob7, Sete, France |
buoys | Integer | Maximum number of buoys deployed by vessel by year | Ob7, Sete, France |
length | Continuous | Vessel overall length in metres (m) | Ob7, Sete, France |
days fishing | Integer | Total number of days fishing by FOB/FSC | Ob7, Sete, France |
skj_biomass | Continuous | Total spawning stock biomass of skipjack tuna in tonnes | |
yft_biomass | Continuous | Total spawning stock biomass of yellowfin tuna in tonnes |