High Levels of Genetic and Morphological Variability in Invasive Limnoperna fortunei (Dunker, 1857) Populations in South America

Michelle Rezende Duarte; Ana Clara Paz Otegui; Flavio da Costa Fernandes; Edson Pereira Silva

doi:10.4002/040.062.0106

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Michelle Rezende Duarte,^1,* Ana Clara Paz Otegui,¹ Flavio da Costa Fernandes,² Edson Pereira Silva¹

¹1Departamento de Biologia Marinha, Instituto de Biologia, Universidade Federal Fluminense, Outeiro S
²2Divisão de Biologia, Instituto de Estudos do Mar Almirante Paulo Moreira/IEAPM, Rua Kioto, 253 Prai

^*Corresponding author: michellerezendeduarte@yahoo.com.br

Abstract

Five populations of the invasive species Limnoperna fortunei were studied using polymorphic molecular (nine allozyme loci) and morphological (11 traits) markers in order to understand the patterns of genetic and morphological variability, structure and dispersion dynamics of this species in South America. High levels of genetic variability were found in South American invasive populations, and significant deviations from the Hardy-Weinberg proportions clearly indicated that the invasion process is still under way, probably by means other than natural migration.

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Michelle Rezende Duarte, Ana Clara Paz Otegui, Flavio da Costa Fernandes, and Edson Pereira Silva "High Levels of Genetic and Morphological Variability in Invasive Limnoperna fortunei (Dunker, 1857) Populations in South America," Malacologia 62(1), 171-186, (1 March 2018). https://doi.org/10.4002/040.062.0106

Accepted: 1 April 2017; Published: 1 March 2018

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