Deep in the weeds: Using eDNA sequencing to survey pondweed diversity

Researchers at the University of Guelph have developed a protocol using environmental DNA (eDNA) to identify aquatic plant diversity, making ecological biodiversity surveys of these plant communities faster and less expensive. Their study on pondweeds–an important bioindicator of aquatic ecosystem health–allows researchers to overcome difficulties in monitoring and identification, and draw conclusions regarding plant diversity and water quality. eDNA is a rapidly emerging technique, but its use in aquatic habitats has been understudied.

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