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Title: Microevolution due to pollution in amphibians: a review on the genetic erosion hypothesis
Author: Fasola, E.
Ribeiro, R.
Lopes, I.
Keywords: Genetic variability
Environmental plasticity
Issue Date: 2015
Publisher: Elsevier
Abstract: The loss of genetic diversity, due to exposure to chemical contamination (genetic erosion), is a major threat to population viability. Genetic erosion is the loss of genetic variation: the loss of alleles determining the value of a specific trait or set of traits. Almost a third of the known amphibian species is considered to be endangered and a decrease of genetic variability can push them to the verge of extinction. This review indicates that loss of genetic variation due to chemical contamination has effects on: 1) fitness, 2) environmental plasticity, 3) co-tolerance mechanisms, 4) trade-off mechanisms, and 5) tolerance to pathogens in amphibian populations.
Peer review: yes
DOI: 10.1016/j.envpol.2015.04.027
ISSN: 0269-7491
Appears in Collections:CESAM - Artigos

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