using a square mesh netting grid
to sort out juvenile Nephrops in crustacean fishery
Target species:
Nephrops, rose shrimp and commercial hake
Area, Vessel
22 hauls were carried out in the crustacean fishery on the Portuguese south coast on board the FV Gemini (24.0 m, 600 HP) during November 2005.
Nephrops, rose shrimp and commercial hake
Area, Vessel
22 hauls were carried out in the crustacean fishery on the Portuguese south coast on board the FV Gemini (24.0 m, 600 HP) during November 2005.
Gear type:
demersal
Gear modification
A grid with a square mesh netting lower escape section and an upper section connected to the codend is fitted into the extension of a crustacean demersal trawl.
demersal
Gear modification
A grid with a square mesh netting lower escape section and an upper section connected to the codend is fitted into the extension of a crustacean demersal trawl.
Results:
(i) 27.1 % of immature and 6.1 % of mature Nephrops were excluded (ii) 12.8% of unmarketable hake were excluded, while all marketable hake were retained (iii) 4.3% of blue whiting were excluded.
(i) 27.1 % of immature and 6.1 % of mature Nephrops were excluded (ii) 12.8% of unmarketable hake were excluded, while all marketable hake were retained (iii) 4.3% of blue whiting were 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 netting grid
. In O’Neill, F.G. and Mutch, K. (Eds): Selectivity in Trawl Fishing Gears. Scottish Marine and Freshwater Science Vol 8 No 1.