Jan Niklas Macher

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The freshwater amphipod Gammarus fossarum Koch, in Panzer, 1836 is a locally abundant keystone species mainly occuring in European headwaters but also in larger rivers. Genetic studies in the past 25 years have revealed three cryptic species within nominal G. fossarum (types A, B and C). Assignments of specimens to these types were based on allozyme and 16S(More)
High throughput sequencing technologies are revolutionizing genetic research. With this "rise of the machines", genomic sequences can be obtained even for unknown genomes within a short time and for reasonable costs. This has enabled evolutionary biologists studying genetically unexplored species to identify molecular markers or genomic regions of interest(More)
Biodiversity hotspots are centers of biological diversity and particularly threatened by anthropogenic activities. Their true magnitude of species diversity and endemism, however, is still largely unknown as species diversity is traditionally assessed using morphological descriptions only, thereby ignoring cryptic species. This directly limits(More)
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