{"refrec":{"BRefID":15818,"RR":"<b>Williams, J.; Conway, D.V.P.</b> (1984). Vertical distribution, and seasonal diurnal migration of <i>Calanus helgolandicus</i> in the Celtic Sea. <i>Mar. Biol. (Berl.) 79</i>: 63-73. <a href=\"https://dx.doi.org/10.1007/BF00404986\" target=\"_blank\">https://dx.doi.org/10.1007/BF00404986</a>","BEntID":15818,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. (Berl.) 79</i>: 63-73. <a href=\"https://dx.doi.org/10.1007/BF00404986\" target=\"_blank\">https://dx.doi.org/10.1007/BF00404986</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Williams, J.; Conway, D.V.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Williams, J.; Conway, D.V.P.","Englishabstract":"The vertical distribution and migration (seasonal, diel and ontogenetic) of <i>C. Helgolandicus</i> are described from the shallow (100 m) shelf-seas to the south-west of the British Isles. Large vertical migrations were observed in the younger copepodites (CI and II), the CI and CII stages behaved differently and were located above the thermocline within the euphotic zone. The largest vertical displacements of biomass were seen in the summer months due to the migrations of the CV stages and adults, which had developed from the spring cohorts. It was contended that the seasonal ad vertical migrations of <i>C. 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