{"refrec":{"BRefID":142285,"RR":"<b>Christiansen, B.; Pfannkuche, O.; Thiel, H.</b> (1990). Vertical distribution and population structure of the necrophagous amphipod <i>Eurythenes gryllus</i> in the West European Basin. <i>Mar. Ecol. Prog. Ser. 66(1-2)</i>: 35-45. <a href=\"https://dx.doi.org/10.3354/meps066035\" target=\"_blank\">https://dx.doi.org/10.3354/meps066035</a>","BEntID":135505,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mar. Ecol. Prog. Ser. 66(1-2)</i>: 35-45. <a href=\"https://dx.doi.org/10.3354/meps066035\" target=\"_blank\">https://dx.doi.org/10.3354/meps066035</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Christiansen, B.; Pfannkuche, O.; Thiel, H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Christiansen, B.; Pfannkuche, O.; Thiel, H.","Englishabstract":"During 3 cruises to the West European Basin benthopelagic nekton was captured by use of an acoustically released vertical array of 8 to 10 baited traps. The traps were exposed from 5 to 1000 m above the bottom. Nearly all of the 1962 amphipods trapped in total during 18 deployments were identified as the lysianassid amphipod <i>Eurythenes gryllus</i> . Most individuals were recovered from traps deployed 15 m above the sea floor. Above 30 m, catch rates decreased significantly. However, the vertical distribution differed by age and sex: indeterminate juveniles and adult females were only trapped up to 50 m above the bottom. Catch rates of juvenile males and females decreased with increasing distance from the bottom, whereas adult males showed a bimodal distribution with maxima at 15 and at 300 m above the sea floor. 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