Articles on Invasive species

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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.
Feral cats are a major driver of global biodiversity loss, contributing to 26% of bird, mammal and reptile extinctions. T Doherty

Invasive predators are eating the world’s animals to extinction – and the worst is close to home

Cats, rats, foxes and other mammal predators have been implicated in 60% of the world's animals extinctions.

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