Articles on Invasive species

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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.
A degraded wetland in the Pilot Wilderness area, Kosciuszko National Park, is subject to increasing numbers of feral horses. Graeme Worboys collection

Snowy hydro scheme will be left high and dry unless we look after the mountains

A reliable water supply from Australia's mountain catchments depends on intact and functioning ecosystems.
Boa constrictors are frequently found at large in Australia, despite being banned. Marcos André/flickr

Alien invaders: the illegal reptile trade is a serious threat to Australia

Keeping non-native reptiles as pets is against the law – with good reason. Alien species traded on the black market can potentially establish themselves in the wild if they are released or escape.

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