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Lessepsian fish migration: genetic bottlenecks and parasitological evidence

Merella, Paolo and Casu, Marco and Garippa, Giovanni and Pais, Antonio (2010) Lessepsian fish migration: genetic bottlenecks and parasitological evidence. Journal of Biogeography, Vol. 37 (5), p. 975-980. eISSN 1365-2699. Article.

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DOI: 10.1111/j.1365-2699.2010.02272.x


As a rule, non-indigenous species (NIS) populations derived from biological invasion events represent a subset of the genetic diversity of the source population. In biological invasions, host-parasite interactions play an important role, and parasitological data for NIS populations can provide useful information such as their area of origin, mechanism of invasion and prospects of success in the new habitat. When both genetic and parasitological data are available, and they suggest the same scenario, the history of an invasion can be inferred with no discrepancy, but when data cannot be reconciled an alternative model should be considered. In this study a comparison of genetic and parasitological data for the Lessepsian migrant the bluespotted cornetfish, Fistularia commersonii, in the Mediterranean Sea presents the opportunity to evaluate the compatibility of information of this nature, and to propose possible invasion scenarios consistent with evidence provided by both criteria.

Item Type:Article
ID Code:3642
Uncontrolled Keywords:Biological invasions, fish migration, Fistularia commersonii, genetics, Lessepsian migrations, Mediterranean Sea, parasitology
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/20 Zoocolture
Area 05 - Scienze biologiche > BIO/05 Zoologia
Area 07 - Scienze agrarie e veterinarie > VET/06 Parassitologia e malattie parassitarie degli animali
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze zootecniche
001 Università di Sassari > 01 Dipartimenti > Biologia animale
001 Università di Sassari > 01 Dipartimenti > Zoologia e genetica evoluzionistica
Publisher:Blackwell / Wiley
Copyright Holders:© 2010 Blackwell Publishing
Deposited On:26 Mar 2010 22:48

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