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| Formato: | Artículo científico |
| Lenguaje: | en |
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Academia Brasileira de Ciências
2003
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| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=32775106 |
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- Does advertisement call variation coincide with genetic variation in the genetically diverse frog taxon currently known as Leptodactylus fuscus (Amphibia: Leptodactylidae)? W. Ronald Heyer Yana R. Reid Multidisciplinaria (Ciencias Naturales y Exactas) speciation Leptodactylus fuscus Key words: advertisement calls The frog Leptodactylus fuscus is found throughout much of South America in open and disturbed habitats.Previous study of genetic differentiation in L. fuscus demonstrated that there was lack of genetic exchangeamong population units consistent with multiple species, rather than a single species. We examine advertisementvocalizations of L. fuscus to determine whether call variation coincides with genetic differentiation.Calls were analyzed for 32 individual frogs from 25 localities throughout the distributional range of L. fuscus.Although there is variation in calls among geographic samples, call variation is not concordant with geneticvariation or geographic distance and the call variation observed is less than that typically found among otherclosely related species of Leptodactylus. This study is an example of the rare pattern of strong genetic differentiationunaccompanied by salient differences in advertisement calls. The relative infrequency of this patternas currently understood may only reflect the lack of detailed analyses of genetic and acoustic differentiationwithin population systems currently understood as single species with substantial geographic distributions. 2003 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32775106 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.75