Atlas Halieutique
Themes Stock
Name of the indicator Stock assessment models output
Definition Two indicators are provide.
1-The ratio meanF/Fmsy is a proxy of a distance between the fishing mortality and the targeted FMSY.
1-The ratio SSB/Bpa is a proxy of a distance between the annual Stock spawing biomass and the Precautionary reference point for spawning stock biomass (SSB).
Objectives The main objective is to analyse how far we are from the FMSY and the Bpa for the stock and the trends of the ratio meanF/FMSY and SSB/Bpa
View
Calculation description We get the data directly from ICES webservices.
Reading guide You can get both ratio by years for the stock.
Data sources Ices stock assessment output
Comments
Query select year as ABSCISSE,'F/Fmsy' as GROUPE,meanf/fmsy as TOTAL from f_etoile2_year LEFT join (limits inner join fishdata using(fishstock,evaluationyear)) using(fishstock,year) where (year_wg=evaluationyear or year_wg is null) and fishstock like 'ple.27.7e' and meanf/fmsy is not null union select year as ABSISSE,'SSB/Bpa' as GROUPE,ssb/bpa as TOTAL from f_etoile2_year LEFT join (limits inner join fishdata using(fishstock,evaluationyear)) using(fishstock,year) where (year_wg=evaluationyear or year_wg is null) and fishstock like 'ple.27.7e' and meanf/fmsy is not null order by ABSCISSE

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