FN Archimer Export Format PT J TI Modelled distributions of ten demersal elasmobranchs of the eastern English Channel in relation to the environment BT AF MARTIn, Corinne VAZ, Sandrine ELLIS, J. R. LAURIA, Valentina COPPIN, Franck CARPENTIER, Andre AS 1:1;2:1;3:2;4:1;5:1;6:1; FF 1:PDG-RBE-HMMN-RHBL;2:PDG-RBE-HMMN-RHBL;3:;4:PDG-RBE-HMMN;5:PDG-RBE-HMMN-RHBL;6:PDG-RBE-HMMN; C1 IFREMER, Inst Frangais Rech Exploitat Mer, Marine Fisheries Resource Lab, F-62321 Boulogne, France. Cefas, Ctr Environm Fisheries & Aquaculture Sci, Lowestoft Lab, Lowestoft NR33 0HT, Suffolk, England. C2 IFREMER, FRANCE CEFAS, UK SI BOULOGNE SE PDG-RBE-HMMN-RHBL PDG-RBE-HMMN IN WOS Ifremer jusqu'en 2018 copubli-europe IF 2.26 TC 34 UR https://archimer.ifremer.fr/doc/00086/19730/17478.pdf LA English DT Article CR CGFS 89 CGFS 90 CGFS 91 CGFS 92 CGFS 93 CGFS 94 CGFS 95 CGFS 96 CGFS 97 CGFS 98 CGFS 99 CGFS2000 CGFS2001 CGFS2002 CGFS2003 CGFS2004 CGFS2005 CGFS2006 CGFS2007 CGFS2008 CGFS2009 CGFS2010 CGFS2011 BO Gwen Drez DE ;Channel Ground Fish Survey;Chondrichthyes;Elasmobranchii;GLM;Grande Ouverture Verticale;Trawl survey AB Generalised Linear Models, combined with a Geographic Information System, were used to map the habitats of ten demersal elasmobranch taxa (five skates, four sharks and a stingray) in the eastern English Channel, based on an annual fishery-independent bottom trawl survey conducted each October, and covering 21 years. Habitat models showing mean density levels were developed for the most frequently occurring species, whilst binomial occurrence habitat models were built for less frequent species. The main predictors of elasmobranch habitats in the eastern English Channel were depth, bed shear stress and salinity, followed by seabed sediment type and temperature. Habitat maps highlighted contrasting habitat utilisation across species. Raja clavata, and to a lesser extent Scyliorhinus canicula, showed ontogenetic differences in habitat utilisation, with early life history stages found in shallow coastal waters, sheltered from strong tidal currents and typically with softer sediments. Spatial segregation by sex was also evident for S. canicula, with females found at higher densities on some harder grounds in the study area. An improved knowledge of habitat utilisation by elasmobranchs (particularly for important life history stages and all seasons) is required if spatial management is to be considered for these species. (C) 2012 Elsevier B.V. All rights reserved. PY 2012 PD MAY SO Journal Of Experimental Marine Biology And Ecology SN 0022-0981 PU Elsevier Science Bv VL 418 UT 000304796700011 BP 91 EP 103 DI 10.1016/j.jembe.2012.03.010 ID 19730 ER EF