Articles sur Invasive species

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Wild horses, known as brumbies, in Australia. Shutterstock.com

Friday essay: the cultural meanings of wild horses

From 30,000-year-old cave paintings to The Man From Snowy River, wild horses have always been part of human culture. As Australia debates what to do with 'brumbies' in mountain environments, it's time to reconsider their place.
Gene drives aim to deliberately spread bad genes when invasive species such as mice reproduce. Colin Robert Varndell/shutterstock.com

‘Gene drives’ could wipe out whole populations of pests in one fell swoop

Releasing just 100 mice carrying a faulty gene designed to stop them reproducing can remove an entire population of 50,000, a new study shows, paving the way for new eradication efforts.
Pisgah National Forest, North Carolina. Tjss99/Flickr

The state of US forests: Six questions answered

Forests are valuable for many uses, including timber, clean water, wildlife habitat and recreation. Stresses on U.S. forests include wildfires, pest invasions and development of private lands.

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