Parasite infection reflects host genetic diversity among non-native populations of pumpkinseed sunfish in Europe
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INVASIVE SPECIES III
Parasite infection reflects host genetic diversity among nonnative populations of pumpkinseed sunfish in Europe M. Ondracˇkova´ . V. Barta´kova´ . Y. Kvach . A. Bryjova´ . T. Trichkova . F. Ribeiro . L. Carassou . A. Martens . G. Masson . T. Zechmeister . P. Jurajda
Received: 8 April 2020 / Revised: 4 September 2020 / Accepted: 7 September 2020 Ó Springer Nature Switzerland AG 2020
Abstract Species introductions often coincide with loss of genetic diversity and natural enemies. Anthropogenic translocation of the North-American pumpkinseed Lepomis gibbosus (L., 1758) (Centrarchidae) and its further spread have resulted in recent species establishment in most European countries. This study determines genetic differentiation of non-native European pumpkinseed populations and identifies how their genetic structure relates to the distribution and abundance of parasite species. Microsatellite analysis Guest editors: Katya E. Kovalenko, Fernando M. Pelicice, Lee B. Kats, Jonne Kotta & Sidinei M. Thomaz / Aquatic Invasive Species III
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10750-020-04410-y) contains supplementary material, which is available to authorized users. M. Ondracˇkova´ (&) V. Barta´kova´ Y. Kvach A. Bryjova´ P. Jurajda Institute of Vertebrate Biology, Czech Academy of Sciences, Kveˇtna´ 8, 60365 Brno, Czech Republic e-mail: [email protected] Y. Kvach Institute of Marine Biology, National Academy of Sciences of Ukraine, 37 Pushkinska St., 65048 Odessa, Ukraine T. Trichkova Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd., 1000 Sofia, Bulgaria
indicated presence of three genetic lineages, which were well supported by discriminant analysis based on parasite abundance data. The first lineage clustered pumpkinseed populations from northern and southern France and showed high allelic richness, heterozygosity and parasite richness. The second included populations along the ‘‘Southern invasion corridor’’ connecting the rivers Rhine, Main and Danube. The fish exhibited low to high genetic and parasite diversity and generally high parasite abundance. The third lineage clustered populations with low genetic and parasite diversity, located in Portuguese reservoirs and water bodies along the upper Elbe. Parasite species richness was significantly associated with host microsatellite heterozygosity and allelic richness, a trend partially affected by richness of North-American parasites. Furthermore, our results indicate that
F. Ribeiro MARE, Centro de Cieˆncias do Mar e do Ambiente, Faculdade de Cieˆncias, Universidade de Lisboa, Campo Grande, 1749-016 Lisbon, Portugal L. Carassou INRAE, UR EABX, Centre Nouvelle-Aquitaine, site de Cestas, 50 Avenue de Verdun, Gazinet, 33612 Cestas Cedex, France A. Martens Institute of Biology, Karlsruhe University of Education, Bismarckstrasse 10, 76133 Karlsruhe, Germany
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Hydrobiologia
parasite c
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