Issue |
Knowl. Manag. Aquat. Ecosyst.
Number 420, 2019
Topical Issue on Fish Ecology
|
|
---|---|---|
Article Number | 46 | |
Number of page(s) | 9 | |
DOI | https://doi.org/10.1051/kmae/2019035 | |
Published online | 01 November 2019 |
Research Paper
Genetic characterisation of European mudminnow (Umbra krameri) populations from the Sava River system
Caractérisation génétique des populations de poisson chien européen (Umbra krameri) du système de la rivière Sava
1
Institute of Zoology, Faculty of Biology, University of Belgrade, Studentski trg 16, 11001 Belgrade, Serbia
2
Marine Biology Station Piran, National Institute of Biology, Fornače 41, Piran, Slovenia
3
Department of Zoology, National Museum, Václavské náměstí 68, 115 79 Prague 1, Czech Republic
4
Faculty of Teacher Education, University of Zagreb, Savska cesta 77, 10000 Zagreb, Croatia
5
Department of Biology and Department of Ecology and Environment Protection, Faculty of Natural Sciences and Mathematics, University of Banja Luka, Mladena Stojanovića 2, 78000 Banja Luka, Republic of Srpska, Bosnia and Herzegovina
6
Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Groblje 3, 1230 Domžale, Slovenia
* Corresponding author: sasa@bio.bg.ac.rs
Received:
21
February
2019
Accepted:
25
September
2019
Two new populations of the European mudminnow (Umbra krameri Walbaum, 1792) were discovered in the Sava River system, one in its middle part (Bosnia and Herzegovina) and the other in a tributary to the Kupa River (Croatia). The Croatian population is the most upstream mudminnow discovery in the Sava River system known to date. The genetic structure of the newly recorded mudminnow populations was examined using mitochondrial DNA and microsatellite loci. By adding these new populations to the analysis of the population genetic structure of mudminnow from the Sava River system, previously unresolved relationships between the populations from the upper and the lower Sava were clarified: the middle Sava populations were shown to be well outside the hybridisation zone with the Danubian clade, meaning the upstream boundary of this zone is confined to the lower Sava. The results also suggest that mudminnow populations in the Sava River system are less isolated than previously believed. Namely, intermediate gene-flow was detected when comparing the uppermost Sava population with the lower Sava populations. Taking these results into account, appropriate guidelines are proposed to preserve mudminnow populations from the Sava River system.
Résumé
Deux nouvelles populations de poisson chien européen (Umbra krameri Walbaum, 1792) ont été découvertes dans le système de la rivière Sava, l'une dans sa partie centrale (Bosnie-Herzégovine) et l'autre dans un affluent du fleuve Kupa (Croatie). La population croate est la découverte de poisson chien européen la plus en amont connue à ce jour dans le système de la rivière Sava. La structure génétique des populations de poisson chien européen nouvellement observées a été examinée à l'aide d'ADN mitochondrial et de loci microsatellites. En ajoutant ces nouvelles populations à l'analyse de la structure génétique des populations de poisson chien européen du système de la rivière Sava, on a clarifié les relations non résolues entre les populations de la Sava supérieure et de la Sava inférieure : les populations de la Sava moyenne se trouvaient bien au-delà de la zone d'hybridation, le clade danubien ayant démontré que la limite amont de cette zone est limitée à la Sava inférieure. Les résultats suggèrent également que les populations de poisson chien européen dans le système de la rivière Sava sont moins isolées qu'on ne le croyait auparavant. A savoir, un flux intermédiaire de gènes a été détecté en comparant la population de Sava la plus élevée avec les populations de Sava les plus basses. Compte tenu de ces résultats, des directives appropriées sont proposées pour préserver les populations de poisson chien européen de la rivière Sava.
Key words: Conservation / European mudminnow / microsatellites / mitochondrial DNA / Sava River system
Mots clés : Conservation / poisson chien européen / microsatellites / ADN mitochondrial / système de la rivière Sava
© S. Marić et al., Published by EDP Sciences 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License CC-BY-ND (https://creativecommons.org/licenses/by-nd/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. If you remix, transform, or build upon the material, you may not distribute the modified material.
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