{"refrec":{"BRefID":32249,"RR":"<b>Mortensen, S.H.; Strand, Ø.</b> (2000). Releases and recaptures of Manila clams (<i>Ruditapes philippinarum</i>) introduced to Norway. <i>Sarsia 85</i>: 87-91","BEntID":32249,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Sarsia 85</i>: 87-91","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mortensen, S.H.; Strand, Ø.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mortensen, S.H.; Strand, Ø.","Englishabstract":"The Manila clam, <i>Ruditapes philippinarum</i> was introduced into Norway in 1987 and used in aquaculture until 1991. In 1988-91spat were seeded on five Norwegian beaches in three regions at 60 °N, 64 °N and 65 °N. Manila clams were recovered from three sites, at, or near where they had been released. They were distinguished from native <i>R. decussates, Tapes pullastra</i>, and <i>T. aurea</i> using morphological features, confirmed by comparison of polymorphic isozyme loci using starch gel electrophoresis. Fifty-one specimens were recovered, were 31-59 mm in shell length and ranged from 4 to 7 years of age, and were in good condition. Age of the recovered clams coincided with the time of the spat re- leases. Histological examinations revealed eggs and sperm in different stages of maturity, including spent ovaries, suggesting that spawning have taken place. No juvenile or small specimens were found.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Releases and recaptures of Manila clams (<i>Ruditapes philippinarum</i>) introduced to Norway","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2003-02-17","DateCreate":"2003-02-11","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":32249,"PubliDate":2000,"Pagination":"87-91","XtraPublOfAnaID":null,"ISBN":null,"Volume":"85","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43909,"SerRR":"Sarsia. University of Bergen. Universitetsforlaget: Bergen.  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