{"refrec":{"BRefID":24349,"RR":"<b>Maltagliati, F.; Camilli, L.</b> (2000). Temporal genetic variation in a population of <i>Aphanius fasciatus</i> (Cyprinodontidae) from a brackish-water habitat at Elba Island (Italy). <i>Environ. Biol. Fish. 57(1)</i>: 107-112. <a href=\"https://dx.doi.org/10.1023/A:1007604831242\" target=\"_blank\">https://dx.doi.org/10.1023/A:1007604831242</a>","BEntID":24349,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Environ. Biol. Fish. 57(1)</i>: 107-112. <a href=\"https://dx.doi.org/10.1023/A:1007604831242\" target=\"_blank\">https://dx.doi.org/10.1023/A:1007604831242</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Maltagliati, F.; Camilli, L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Maltagliati, F.; Camilli, L.","Englishabstract":"Allozyme electrophoresis was used to assess temporal genetic variation in three successive generations of the Mediterranean killifish, Aphanius fasciatus. Samplings were carried out in 1995, 1996 and 1997 in a brackish-water habitat at Elba Island, Italy and a total of 212 specimens were collected. The five loci for which polymorphism has been detected in a previous study were assayed. Mean expected heterozygosity values [H=0.397 (SE 0.077), H=0.336 (SE 0.092) and H=0.313 (SE 0.092) in 1995, 1996 and 1997, respectively] were not significantly different by ANOVA test. Deviations from Hardy-Weinberg equilibrium were minimal, with only one out of the 15 probability tests showing a significant departure from the equilibrium; whereas genotypic linkage disequilibrium was not detected. Values of Nei's genetic distance were lower than 0.04. Temporal genetic variation in the A. fasciatus population at Elba Island was observed, with F-statistics indicating significant genetic divergence among samples (theta=0.035, SE 0.027, p < 0.001). Genetic drift acting on two loci (GPD-1* and LDH-3*) is presumably the main force determining the temporal genetic heterogeneity observed; however, the occurrence of selection on individual loci and/or sampling error cannot be excluded. The observed allelic variation among generations in a single population of A. fasciatus is much less than levels observed among geographically discrete samples in previous studies.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Temporal genetic variation in a population of <i>Aphanius fasciatus</i> (Cyprinodontidae) from a brackish-water habitat at Elba Island (Italy)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-27 01:31:17.994331","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"conservation, allozymes, generations, genetic distance, genetic drift, selection, ALLELE FREQUENCIES, MULTIPLE ALLELES, ATLANTIC SALMON, HARDY-WEINBERG, 1827 PISCES, TELEOSTEI, FISHES, GREECE, RIVER, NARDO","Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2002-05-02","DateCreate":"2002-05-02","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000084644000012","VABBcode":null,"OpenAcc":0,"DOI":"10.1023/A:1007604831242"},"refs":null,"anarec":{"AnaID":24349,"PubliDate":2000,"Pagination":"107-112","XtraPublOfAnaID":null,"ISBN":null,"Volume":"57","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42826,"SerRR":"Environmental Biology of Fishes. 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