{"refrec":{"BRefID":29858,"RR":"<b>Naevdal, G.; Thorkildsen, S.</b> (2002). Genetic studies on species composition and population structure of sand eels (Genera: <i>Ammodytes</i>, <i>Hyperoplus</i> and <i>Gymnammodytes</i>) in Norwegian waters. <i>J. Appl. Ichthyol. 18(3)</i>: 124-126. <a href=\"https://dx.doi.org/10.1046/j.1439-0426.2002.00310.x\" target=\"_blank\">https://dx.doi.org/10.1046/j.1439-0426.2002.00310.x</a>","BEntID":29858,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>J. Appl. Ichthyol. 18(3)</i>: 124-126. <a href=\"https://dx.doi.org/10.1046/j.1439-0426.2002.00310.x\" target=\"_blank\">https://dx.doi.org/10.1046/j.1439-0426.2002.00310.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Naevdal, G.; Thorkildsen, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Naevdal, G.; Thorkildsen, S.","Englishabstract":"Five species of sand eels (Ammodytidae) are regularly found in the north-east Atlantic. Some of these species (i.e. <i>Ammodytes tobianus</i> L. and <i>A. marinus</i> Raitt) are difficult to identify by morphological criteria. The aims of the study reported were (a) to reveal unambiguous genetic traits for species classification and (b) to study possible population structure of the more common species in Norwegian waters. In total more than 900 specimens were analysed for inter- and intraspecific allozyme variation. Reference samples were obtained from Scotland and Denmark. By combining the patterns at different loci, all five species could be unambiguously defined. In Norwegian waters <i>A. marinus</i> was found together with minor numbers of <i>Hyperoplus lanceolatus</i> (Le Sauvage). As expected, <i>Gymnammodytes semisquamatus</i> (Jourdain) and <i>H. immaculatus</i> (Corbin) were not found, but not finding <i>A. tobianus</i> in these waters was unexpected. Distribution of alleles at three polymorphic loci did not indicate any structure of <i>A. marinus</i> in Norwegian waters.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Genetic studies on species composition and population structure of sand eels (Genera: <i>Ammodytes</i>, <i>Hyperoplus</i> and <i>Gymnammodytes</i>) in Norwegian waters","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:04.390217","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"Sand eels (Genera: <i>Ammodytes</i>, <i>Hyperoplus</i>;  <i>Gymnammodytes</i>); Norwegian","Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2002-12-05","DateCreate":"2002-12-05","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000175166300010","VABBcode":null,"OpenAcc":1,"DOI":"10.1046/j.1439-0426.2002.00310.x"},"refs":null,"anarec":{"AnaID":29858,"PubliDate":2002,"Pagination":"124-126","XtraPublOfAnaID":null,"ISBN":null,"Volume":"18","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43023,"SerRR":"Journal of Applied Ichthyology = Zeitschrift für angewandte Ichthyologie. 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