using a square mesh codend
to sort out juvenile Nephrops in a crustacean fishery
Target species:
Nephrops, rose shrimp and hake
Area, Vessel
22 hauls were carried out in the crustacean fishery on the Portuguese south coast on board the FV Saturno (24.8 m, 800 HP) during August 2006.
Nephrops, rose shrimp and hake
Area, Vessel
22 hauls were carried out in the crustacean fishery on the Portuguese south coast on board the FV Saturno (24.8 m, 800 HP) during August 2006.
Gear type:
demersal
Gear modification
A 60mm square mesh codend made from 3.5mm double twine Euroline Premium netting was used.
demersal
Gear modification
A 60mm square mesh codend made from 3.5mm double twine Euroline Premium netting was used.
Results:
(i) 69 % of immature and 41 % of mature Nephrops were excluded (ii) 62 % of undersized and 39 % of marketable rose shrimp were excluded (iii) 71% of unmarketable hake were excluded, but there were no losses of marketable hake and (iv) Nearly all blue whiting was excluded.
(i) 69 % of immature and 41 % of mature Nephrops were excluded (ii) 62 % of undersized and 39 % of marketable rose shrimp were excluded (iii) 71% of unmarketable hake were excluded, but there were no losses of marketable hake and (iv) Nearly all blue whiting was excluded.
Further information:
Aida Campos – acampos@ipma.pt Paulo Fonseca – pfonseca@ipma.pt
Aida Campos – acampos@ipma.pt Paulo Fonseca – pfonseca@ipma.pt
Citation :
Campos, A. and Fonseca, P.
, 2017.
using a square mesh codend
. In O’Neill, F.G. and Mutch, K. (Eds): Selectivity in Trawl Fishing Gears. Scottish Marine and Freshwater Science Vol 8 No 1.