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Articles on Aquatic species

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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.
The Caban Coch dam, in Wales’ Elan Valley, is just one of the estimated 1.2 million river barriers in Europe. Sara Barrento/Nature

Europe’s natural waterways: death by a million cuts

New research published in the journal Nature reveals that more than 1.2 million flow barriers exist on European rivers and that approximately 10% are obsolete.
The giant freshwater prawn is native to the Indo-West Pacific from northwest India to Vietnam, Philippines, New Guinea and northern Australia. It has been introduced into many countries for aquaculture. https://www.shutterstock.com

Breeding single-sex animal populations could help prevent disease and poverty

Entire populations of prawn ‘super-females’ are now being commercially distributed. The science behind this continues to advance and could have a far-reaching impact on both humans and animals.

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