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Articles on Freshwater biology

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Winter road salting is a common de-icing technique used to ensure public safety during icy winters. However, it is crucial to find sustainable and environment-friendly alternatives to road salt. (Shutterstock)

Winter road salting has year-round consequences

Salty water seeps into our soils and groundwater through surface runoff and storm-water pipes. The long-term storage of salt in the environment impacts aquatic life, infrastructure and drinking water.
Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
Red-finned blue-eye Bush Heritage Australia / Adam Kerezsy

Australia’s smallest fish among 22 at risk of extinction within two decades

Twenty of these freshwater fish species have a 50% or greater probability of extinction within the next 20 years.

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