FN Archimer Export Format
PT J
TI Hake catchability by the French trawler fleet in the Bay of Biscay: estimating technical and biological components
BT 
AF MAHEVAS, Stephanie
   TRENKEL, Verena
   DORAY, Mathieu
   PEYRONNET, Arnaud
AS 1:1;2:1;3:1;4:1;
FF 1:PDG-DOP-DCN-EMH;2:PDG-DOP-DCN-EMH;3:PDG-DOP-DCN-EMH;4:PDG-DOP-DCN-EMH;
C1 IFREMER, Dept EMH, F-44311 Nantes 3, France.
C2 IFREMER, FRANCE
SI NANTES
SE PDG-DOP-DCN-EMH
IN WOS Ifremer jusqu'en 2018
IF 2.007
TC 4
UR https://archimer.ifremer.fr/doc/00021/13244/10287.pdf
LA English
DT Article
CR CHAPAUV
BO Thalia
DE ;accessibility;beam trawl;catchability;fishing power;GLMM;spatial distribution
AB Several factors affect trawl catchability: (i) gear and vessel technical characteristics, (ii) anthropogenic factors, and (iii) biological factors. The objectives of this study were to assess the relative contribution of each factor to variations in hake (Merluccius merluccius) landings by the French trawler fleet operating on the shelf of the northern Bay of Biscay (ICES Subdivision VIIIa). Using generalized linear models, the impact of technical and anthropogenic factors was evaluated using landings per unit effort (lpue) obtained from logbooks. Variations in hake lpue were explained primarily by anthropogenic factors. For studying the biological components of catchability, the results of a scientific trawl survey in July 2006 involving three similar trawlers of the French trawler fleet were used. Daytime accessibility to large hake was lower than at night, and about zero for small hake (<19 cm). Estimates of spatial variation made using generalized linear mixed models showed a patchy fine-scale spatial distribution, but a random larger-scale distribution of hake over the area surveyed.
PY 2011
PD JAN
SO Ices Journal Of Marine Science
SN 1054-3139
PU Oxford Univ Press
VL 68
IS 1
UT 000285193900013
BP 107
EP 118
DI 10.1093/icesjms/fsq140
ID 13244
ER

EF