{"refrec":{"BRefID":24339,"RR":"<b>Maltagliati, F.</b> (1998). A preliminary investigation of allozyme genetic variation and population geographical structure in <i>Aphanius fasciatus</i> from Italian brackish-water habitats. <i>J. Fish Biol. 52</i>: 1130-1140. <a href=\"https://dx.doi.org/10.1006/jfbi.1998.0656\" target=\"_blank\">https://dx.doi.org/10.1006/jfbi.1998.0656</a>","BEntID":24339,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Fish Biol. 52</i>: 1130-1140. <a href=\"https://dx.doi.org/10.1006/jfbi.1998.0656\" target=\"_blank\">https://dx.doi.org/10.1006/jfbi.1998.0656</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Maltagliati, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Maltagliati, F.","Englishabstract":"A total of 150 individuals from <i>Aphanius fasciatus</i> from coastal brackish-water habitats was analysed by allozyme electrophoresis to collect data on its genetic variation. From 22 enzymes, 43 putative enzyme-coding loci were resolved, 12 of which were polymorphic at P-0.99 level. Only one of the 31 probability tests showed a significant departure from the Hardy-Weinberg equilibrium. <i>Aphanius fasciatus</i> showed low levels of genetic polymorphism, with expected heterozygosity values ranging from 0.027 (S.E.=0.013) to 0.064 (S.E.=0.023). Nei's genetic distances between populations ranged from 0.002 to 0.042. Weir & Cockerham F-statistics showed high levels of genetic heterogeneity among populations (jackknifed theta=0.302, S.E.=0.045) and estimates of N-m were <1, indicating restricted gene flow. Significant positive correlation between genetic distance and geographical distance matrices, detected by Mantel's test (g=1.941; P<0.001), is consistent with the prediction that the species is genetically structured by isolation-by-distance.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A preliminary investigation of allozyme genetic variation and population geographical structure in <i>Aphanius fasciatus</i> from Italian brackish-water habitats","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-18 01:31:12.265464","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"<i>aphanius fasciatus</i>; Genetic variations; Brackish-water habitats; Fresh-water; Isolation-by-distance; Pupfish","OtherDescriptors":"<i>Aphanius fasciatus</i>, brackish-water habitats, allozymes, genetic variation, genetic distance, gene flow, isolation-by-distance, FRESH-WATER, MARINE, FISHES, CYPRINODONTIFORMES, DIFFERENTIATION, CONSERVATION, DIVERSITY, TELEOSTEI, DISTANCE, PUPFISH","Notes":null,"AnaPub":1998,"MonPub":null,"DateUpdate":"2002-05-02","DateCreate":"2002-05-02","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000074354800004","VABBcode":null,"OpenAcc":1,"DOI":"10.1006/jfbi.1998.0656"},"refs":null,"anarec":{"AnaID":24339,"PubliDate":1998,"Pagination":"1130-1140","XtraPublOfAnaID":null,"ISBN":null,"Volume":"52","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43231,"SerRR":"Journal of Fish Biology. 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