Hybridization and invasiveness in the freshwater snail Melanoides tuberculata: hybrid vigour is more important than increase in genetic variance.

doi:10.1111/j.1420-9101.2005.00887.x

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Article

Hybridization and invasiveness in the freshwater snail Melanoides tuberculata: hybrid vigour is more important than increase in genetic variance.

Journal of evolutionary biology - 1 May 2005

Facon B, Jarne P, Pointier J P, David P

Abstract excerpt

Many invasive taxa are hybrids, but how hybridization boosts the invasive process remains poorly known. We address this question in the clonal freshwater snail Melanoides tuberculata from Martinique, using three parental and two hybrid lines. We combine an extensive field survey (1990-2003) and a quantitative genetic experiment to show that hybrid lines have outcompeted their parents in natural habitats, and that...

Topics

Analysis of Variance
Animals
Body Size
Demography
Fertility
Fresh Water
Genetic Variation
Genetics, Population
Hybrid Vigor
Hybridization, Genetic
Martinique
Phenotype
Selection, Genetic
Snails

Source

Open in PubMed

Identifiers

PMID: 15842482
DOI: 10.1111/j.1420-9101.2005.00887.x

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