Can DNA traces in just two liters (0. 5 gallons) of water reveal how a river's biodiversity changes over the course of a year? A study by the University of Duisburg-Essen using the River Lippe as an example shows how biodiversity in freshwater ecosystems can be monitored comprehensively, efficie...
Source: [Phys.org](https://phys.org/news/2026-08-genetic-reveal-river-residents-species.html)