{"refrec":{"BRefID":35487,"RR":"<b>Reise, K.</b> (2003). Metapopulation structure in the lagoon cockle <i>Cerastoderma lamarcki</i> in the northern Wadden Sea. <i>Helgol. Mar. Res. 56</i>: 252-258. <a href=\"https://dx.doi.org/10.1007/s10152-002-0125-z\" target=\"_blank\">https://dx.doi.org/10.1007/s10152-002-0125-z</a>","BEntID":35487,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Helgol. Mar. Res. 56</i>: 252-258. <a href=\"https://dx.doi.org/10.1007/s10152-002-0125-z\" target=\"_blank\">https://dx.doi.org/10.1007/s10152-002-0125-z</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Reise, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Reise, K.","Englishabstract":"Benthic invertebrates in discontinuous inshore habitats and with short or no pelagic larval dispersal are likely to exhibit regional metapopulation dynamics with partially isolated local populations. Near the island of Sylt, the bivalve <i>Cerastoderma (Cardium) lamarcki</i> (Reeve, 1844, syn. in part with <i>C. glaucum</i> Bruguiére, 1789) was widespread in intertidal seagrass beds, coexisting with the sibling species <i>C. edule</i> (Linné1758). However, the last <i>C. lamarcki</i> in this habitat was found in 1980. At present the lagoon cockle is restricted to disjunct ditches, creeks and ponds within island salt marshes. There it differs in year-class structure between localities. Successful recruitment events did not coincide. At one locality, a period with regular recruitment was followed by 5 years of recruitment failure, resulting in an overaged population probably at the rim of extinction. In a nearby brackish pond, extinction was followed by recolonization 3 years later. Other lagoonal habitats which seem to be suitable are without cockles. It is speculated that small and isolated habitats occasionally receive colonizers by eggs and juveniles adhering to avian vectors.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Metapopulation structure in the lagoon cockle <i>Cerastoderma lamarcki</i> in the northern Wadden Sea","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-30 01:31:05.509464","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2003,"MonPub":null,"DateUpdate":"2003-06-12","DateCreate":"2003-06-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000181017600006","VABBcode":null,"OpenAcc":1,"DOI":"10.1007/s10152-002-0125-z"},"refs":null,"anarec":{"AnaID":35487,"PubliDate":2003,"Pagination":"252-258","XtraPublOfAnaID":null,"ISBN":null,"Volume":"56","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45639,"SerRR":"Helgoland Marine Research. Springer: Berlin; Heidelberg.  ISSN 1438-387X; e-ISSN 1438-3888","StandardTitleSer":"Helgoland Marine Research","ISSN":"1438-387X","AbbrevSer":"Helgol. Mar. 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