CBC·5 min read·medium
What lives in the rivers near you? Why scientists want you to know
✦AI Summary
Scientists in Ontario are utilizing environmental DNA (eDNA) sampling and electrofishing to catalog freshwater biodiversity in local rivers. These methods are revealing a higher number of aquatic species than traditional survey techniques, helping researchers track the impact of invasive species and habitat loss.
The stunned fish they scooped up included spiky mottled sculpins, blacknose dace with striking red racing stripes and chunky creek chub — residents of the largely hidden freshwater world in and around Ontario's towns and cities.
scienceenvironment
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