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Categories: lake sediment

  • PhD student Fredrik Olajos taking samples in the lake Lotaten, Jämtland, Sweden.

    10,000 year-old DNA proves when fish colonialized our lakes

    DNA in lake sediment forms a natural archive displaying when various fish species colonized lakes after the glacial period. This according to researchers at the Department of Ecology and Environmental Science at Umeå University in a study published in the journal Methods in Ecology and Evolution.