{"refrec":{"BRefID":27140,"RR":"<b>Bick, A.</b> (1996). Reproduction and larval development of <i>Manayunkia aestuarina</i> (Bourne, 1883) (Polychaeta, Sabellidae) in a coastal region of the southern Baltic. <i>Helgol. Meeresunters. 50(2)</i>: 287-298","BEntID":27140,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Helgol. Meeresunters. 50(2)</i>: 287-298","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Bick, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bick, A.","Englishabstract":"The reproduction and larval development of <i>Manayunkia aestuarina</i>, a polychaete typical of brackish lenitic waters, was studied in a tideless shallow region on the south Baltic coast in 1990. Reaching abundances of up to 50000 ind./m², it is an important element of the benthic community in this area. Reproduction started in late March/early April, when the females deposited their eggs in the tubes. On the average, 4 (maximum: 16) developing embryos were found in a maternal tube during the reproduction period. The females probably produced a mean of about 12 eggs. Development in the maternal tube lasted about 8 weeks. The first juveniles were found outside the tubes in mid-May. The survival rate during the first few weeks was estimated to be 15-20 %. After reproducing, the adult animals survived until October. The changes involved in the development from eggs to juvenile animals are illustrated by drawings.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Reproduction and larval development of <i>Manayunkia aestuarina</i> (Bourne, 1883) (Polychaeta, Sabellidae) in a coastal region of the southern Baltic","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1996,"MonPub":null,"DateUpdate":"2002-09-17","DateCreate":"2002-09-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":27140,"PubliDate":1996,"Pagination":"287-298","XtraPublOfAnaID":null,"ISBN":null,"Volume":"50","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43116,"SerRR":"Helgoländer Meeresuntersuchungen. Biologische Anstalt Helgoland: Hamburg.  ISSN 0174-3597","StandardTitleSer":"Helgoländer Meeresuntersuchungen","ISSN":"0174-3597","AbbrevSer":"Helgol. 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