FN Archimer Export Format
PT J
TI Evidence of difference in landings and discards patterns in the English Channel and North Sea Rajidae complex fishery
BT 
AF Amelot, Morgane
   Batsleer, Jurgen
   Foucher, Eric
   Girardin, Raphael
   Marchal, Paul
   Poos, Jan Jaap
   Sys, Klaas
AS 1:1,2;2:2;3:1;4:1;5:1;6:3;7:4;
FF 1:PDG-RBE-HMMN-LRHPB;2:;3:PDG-RBE-HMMN-LRHPB;4:PDG-RBE-HMMN-LRHBL;5:PDG-RBE-HMMN-LRHBL;6:;7:;
C1 IFREMER Centre Manche-Mer du Nord, France
   Wageningen Marine Research, PO Box 68, 1970 AB, IJmuiden, the Netherlands
   Wageningen University & Research, the Netherlands
   ILVO, Flanders Research Institute for Agriculture, Fisheries and Food, Animal Sciences Unit – Fisheries and Aquatic Production, Ankerstraat 1, 8400, Oostende, Belgium
C2 IFREMER, FRANCE
   UNIV WAGENINGEN, NETHERLANDS
   UNIV WAGENINGEN, NETHERLANDS
   ILVO, BELGIUM
SI PORT-EN-BESSIN
   BOULOGNE
SE PDG-RBE-HMMN-LRHPB
   PDG-RBE-HMMN-LRHBL
IN WOS Ifremer UPR
   copubli-europe
IF 2.817
TC 4
UR https://archimer.ifremer.fr/doc/00699/81148/85529.pdf
LA English
DT Article
CR CGFS : CHANNEL GROUND FISH SURVEY
   INTERNATIONAL BOTTOM TRAWL SURVEY (IBTS)
DE ;Retention patterns;Vulnerability;Discards;Rajidae;Multi-species production model
AB Bycatch species such as skates and rays are for most of them not subject to analytical stock assessment. However, their life history characteristics increased their vulnerability to fisheries. In the English Channel and North Sea area, the three main landed Rajidae species are Raja clavata, Raja brachyura and Raja montagui. The current management measure is a global TAC, common for all Rajidae species. Data to process analytical stock assessment are not available for these species, particularly discards data. A Bayesian multispecies biomass production model, following separately the landings and discards was applied to these stocks. This model provided proxies of reference points (MSY and BMSY) per species. All stocks were depleted in 1990 and are now rebuilding. However, rebuilding speeds are different within the complex, R. clavata being the fastest and R. brachyura the slowest. Furthermore, the proportion of the discards and landings to biomass differ between species, highlighting species specific fishing strategies. Differences in vulnerabilities within the Rajidae complex might be caused by the variability of life history parameters between species as well as landings and discards pattern differences. This second factor, usually not considered for data limited stock assessment, is particularly relevant for highly discarded chondrichthyans species, and might be considered when choosing new methodology to asses Rajidae stocks. 
PY 2021
PD OCT
SO Fisheries Research
SN 0165-7836
PU Elsevier BV
VL 242
UT 000681092100012
DI 10.1016/j.fishres.2021.106028
ID 81148
ER

EF