Observatoire des droits humains (anglais seulement)

Fish DNA in Ozark streams reveals region’s complex geologic history

(Version anglaise seulement)

par David Duvernell, Professor of Biological Sciences, Missouri University of Science and Technology

My students and I encountered a mystery. We were partnering with the Missouri Department of Conservation to monitor for fish presence and abundance in the Missouri Ozarks. We visited half a dozen rivers and streams across the region and collected a few cups of water from each.

We were testing for DNA in the environment to determine which species had left behind their genetic material and were therefore present…

Lire l'article complet