{"refrec":{"BRefID":132472,"RR":"<b>Addis, P.; Secci, M.; Brundu, G.; Manunza, A.; Corrias, S.; Cau, A.</b> (2009). Density, size structure, shell orientation and epibiontic colonization of the fan mussel <i>Pinna nobilis</i> L. 1758 (Mollusca: Bivalvia) in three contrasting habitats in an estuarine area of Sardinia (W Mediterranean). <i>Sci. Mar. (Barc.) 73(1)</i>: 143-152. <a href=\"https://dx.doi.org/10.3989/scimar.2009.73n1143\" target=\"_blank\">https://dx.doi.org/10.3989/scimar.2009.73n1143</a>","BEntID":126477,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Sci. Mar. (Barc.) 73(1)</i>: 143-152. <a href=\"https://dx.doi.org/10.3989/scimar.2009.73n1143\" target=\"_blank\">https://dx.doi.org/10.3989/scimar.2009.73n1143</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Addis, P.; Secci, M.; Brundu, G.; Manunza, A.; Corrias, S.; Cau, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Addis, P. <i>et al.</i>","Englishabstract":"We investigated the spatial distribution, size structure, shell orientation and valve colonization by epibionts of the endangered Mediterranean bivalve <i>Pinna nobilis</i> in three continuous but different habitats in the Gulf of Oristano (Sardinia, western Mediterranean). The sampling stations chosen were: an estuarine area (E) of coastal salt-marshes characterized by unvegetated sea-bottoms; and two areas in a seagrass meadow characterized by an extensive <i>Posidonia oceanica</i> meadow (Mw) and patched mixed meadows of <i>P. oceanica</i> and <i>Cymodocea nodosa</i> (Me). We found significant differences in mean densities among stations and the highest value was found in the estuarine area. Shell orientation showed that there was uniform circular distribution of specimens in the Mw station and a unimodal distribution in the Me and E stations, where specimens were set at 0°N and 10°NNE, which is a pattern related to sea drift. Shell epibiosis displayed differences between habitats. The highest valve colonization was in the estuary, with filamentous dark algae and <i>Ostrea edulis</i> reaching almost 90 percent of shell coverage. This study provides new information on habitat preferences and data for assessing local populations of <i>P. nobilis</i> that is useful for its conservation and improving the knowledge of its ecology.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Density, size structure, shell orientation and epibiontic colonization of the fan mussel <i>Pinna nobilis</i> L. 1758 (Mollusca: Bivalvia) in three contrasting habitats in an estuarine area of Sardinia (W Mediterranean)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-19 01:32:28.017248","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Pinna nobilis; Bivalvia; endangered species; population density; sizedistribution; epibiosis; Sardinia; western Mediterranean","OtherDescriptors":null,"Notes":null,"AnaPub":2009,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2009-03-23","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000264276900012","VABBcode":null,"OpenAcc":1,"DOI":"10.3989/scimar.2009.73n1143"},"refs":null,"anarec":{"AnaID":132472,"PubliDate":2009,"Pagination":"143-152","XtraPublOfAnaID":null,"ISBN":null,"Volume":"73","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43791,"SerRR":"Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona.  ISSN 0214-8358; e-ISSN 1886-8134","StandardTitleSer":"Scientia Marina (Barcelona)","ISSN":"0214-8358","AbbrevSer":"Sci. Mar. 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