Issue |
Knowl. Manag. Aquat. Ecosyst.
Number 424, 2023
Conservation genetics
|
|
---|---|---|
Article Number | 7 | |
Number of page(s) | 15 | |
DOI | https://doi.org/10.1051/kmae/2023005 | |
Published online | 29 March 2023 |
Research Paper
Genetic diversity management of sculpin (Cottus spp.) and brown trout (Salmo trutta) in the Palatinate Forest-North Vosges Biosphere Reserve
1
Eusserthal Ecosystem Research Station, RPTU Kaiserslautern-Landau, Birkenthalstrasse 13, 76857 Eusserthal, Germany
2
iES Landau, Institute for Environmental Sciences, RPTU Kaiserslautern-Landau, Fortstrasse 7, 76829 Landau, Germany
3
Parc naturel régional des Vosges du Nord, 2 Pl. du Château, 67290 La Petite-Pierre, France
* Corresponding author: schmidt.t@rptu.de
Received:
16
August
2022
Accepted:
11
February
2023
Protected areas can make an important contribution to the conservation of genetic diversity in the current biodiversity crisis. We have examined two representative freshwater fish taxa, Cottus spp. and Salmo trutta, in 15 midmountain headwaters of the Franco-German Palatinate Forest-North Vosges Biosphere Reserve in Central Europe to facilitate freshwater genetic diversity protection. Population genetic analyses of microsatellites and mtDNA showed lower genetic diversity, but distinctly differentiated genetic structure in Cottus spp., and higher diversity, but less differentiated structure in Salmo trutta. Phylogenetic analyses of mtDNA designated most sculpin to Cottus gobio, but also identified the first known population of Cottus rhenanus in the region. In addition to species-specific recommendations, we derived stream-specific guidance in an attempt to make optimal use of the combined genetic information on both taxa for habitat-oriented management prioritization and improved conservation of freshwater genetic diversity.
Key words: Biodiversity loss / salmonids / cottids / River Rhine / Alsace
© T. Schmidt et al., Published by EDP Sciences 2023
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