Table 1
Parameters for the stocks assessed by ICES: stock name, name of the ICES working group in charge of the assessment, distribution area (ICES subdivisions), natural and current fishing mortalities (y−1), targets values for the fishing mortalities FMSY, current values B and threshold value Bpa for the stock spawning biomass (tons), first year of assessment. All parameters were issued from ICES reports. Note that values of FMSY and Bpa are not estimated by ICES for 4 stocks.
| Stock | Species | ICES WG | Subdivision | M | F | FMSY | B | Bpa | First year |
|---|---|---|---|---|---|---|---|---|---|
| Herring | Clupea harengus | HAWG | VIIa South of 52° 30' N, VIIg,h,j,k | 0.52 | 0.310 | 0.37 | 86 595 | 61 000 | 1980 |
| Whiting | Merlangius merlangus | WGCSE | VIIe-k | 0.20 | 0.264 | 0.32 | 66 961 | 40 000 | 1982 |
| Cod | Gadus morhua | WGCSE | VIIe-k | 0.21 | 0.551 | 0.40 | 14 851 | 10 300 | 1980 |
| Sole 7f,g | Solea solea | WGCSE | VIIf,g | 0.10 | 0.524 | 0.31 | 3087 | 2200 | 1980 |
| Sole 7e | Solea solea | WGCSE | VIIe | 0.10 | 0.250 | 0.27 | 3489 | 2800 | 1980 |
| Sole 8a,b | Solea solea | WGCSE | stock VIIa,b | 0.10 | 0.469 | 0.26 | 13 709 | 13 000 | 1984 |
| Plaice | Pleuronectes platessa | WGCSE | VIIe | 0.12 | 0.274 | 0.24 | 4766 | 1650 | 1980 |
| Haddock | Melanogrammus aeglefinus | WGCSE | VIIb,c,e-k | 0.20 | 0.923 | 0.33 | 30 261 | 7500 | 1993 |
| Sardine | Sardina pilchardus | WGHANSA | VIIIabd and VII | 0.7⁎ | 0.180 | – | – | – | 2000 |
| Anchovy | Engraulis encrasicolus | WGHANSA | VIII | 1.20 | 0.222 | – | 63 477 | – | 1987 |
| hake ad | Merluccius merluccius | WGHMM | IIIa, IV, VI & VII and VIIIa,b,d | 0.40 | 0.460 | 0.27 | 166 050 | 46 200 | 1980 |
| Megrim | Lepidorhombus whiffiagonus | WGHMM | VIIb-k and VIIIa,b,d | 0.20 | 0.197 | – | – | – | 1984 |
| Horse mac | Trachurus trachurus | WGWIDE | IIa, IVa, Vb, VIa, VIIa-c, e-k, VIII | 0.15 | 0.208 | 0.13 | 772 334 | 634 577 | 1982 |
| Mackerel | Scomber scombrus | WGWIDE | NE Atlantic | 0.15 | 0.210 | 0.25 | 4 299 460 | 2 200 000 | 1980 |
| Boarfish | Capros aper | WGWIDE | NE Atlantic | 0.16 | 0.090 | – | – | – | 1991 |
For sardine, the natural mortality (not provided by ICES) was estimated from an empirical equation (Pauly, 1980).
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