{"refrec":{"BRefID":110285,"RR":"<b>Andrade, S.C.S.; Solferini, V.N.</b> (2007). Fine-scale genetic structure overrides macro-scale structure in a marine snail: nonrandom recruitment, demographic events or selection? <i>Biol. J. Linn. Soc. 91(1)</i>: 23-36. <a href=\"https://dx.doi.org/10.1111/j.1095-8312.2007.00782.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1095-8312.2007.00782.x</a>","BEntID":104948,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":" <i>Biol. J. Linn. Soc. 91(1)</i>: 23-36. <a href=\"https://dx.doi.org/10.1111/j.1095-8312.2007.00782.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1095-8312.2007.00782.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":1,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Andrade, S.C.S.; Solferini, V.N.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Andrade, S.C.S.; Solferini, V.N.","Englishabstract":"The planktotrophic littorinid species <i>Littoraria flava</i> occupies a continuous habitat on rocky shores close to brackish and freshwater sources. Previous studies of this species have shown a moderate genetic structure over a broad geographical scale, with high deviations from Hardy&#8211;Weinberg expectations in many allozymic loci. Local-scale subdivision in marine species with a long dispersal phase is unexpected, but occasionally found. Using a horizontal transect at three locations, we examined whether microscale and short-term subdivision also occurred in <i>L.&nbsp;flava</i> populations and, if so, whether this could explain the Hardy&#8211;Weinberg deviations. <i>Littoraria flava</i> showed even more structuring on a microgeographical scale (4&#8211;300&nbsp;m) than on a large-scale (&gt;&nbsp;200&nbsp;km). The Ewens&#8211;Watterson neutrality test showed that 18% of the tests deviated significantly from the neutrality model. A homogeneity test for each locus across samples within transects showed homogeneous and high <i>F</i><sub>IS</sub> values in many loci. These results and the apparent genetic patchiness within transects suggest that asynchronous spawning associated with recurrent colonizations in <i>L.&nbsp;flava</i> can explain the local differentiation without a recognizable pattern. In addition, there could be a balance between these factors and diversifying selection acting on different loci at different times and localities.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Fine-scale genetic structure overrides macro-scale structure in a marine snail: nonrandom recruitment, demographic events or selection?","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-13 01:31:09.884033","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2007-05-10","DateCreate":"2007-05-10","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000245938100003","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/j.1095-8312.2007.00782.x"},"refs":null,"anarec":{"AnaID":110285,"PubliDate":2007,"Pagination":"23-36","XtraPublOfAnaID":null,"ISBN":null,"Volume":"91","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42441,"SerRR":"Biological Journal of the Linnean Society. Academic Press: London; New York.  ISSN 0024-4066; e-ISSN 1095-8312","StandardTitleSer":"Biological Journal of the Linnean Society","ISSN":"0024-4066","AbbrevSer":"Biol. J. Linn. 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