Invasive species cause billions of dollars in damage across the US every year. Hikers and backpackers can take simple steps to avoid spreading seeds and making the problem worse.
They’re beautiful in bloom, but Callery pear trees crowd out native plants and turn productive open land into woody thickets.
This mosquito spreads very fast to new areas and can adapt to various climatic conditions, unlike the non-invasive malaria vectors.
Conservation practitioners and policymakers must organize and prioritize the management of habitats around whether species are more beneficial or harmful to biodiversity.
Once confined to the Canary Islands, noble false widow spiders are casting their web worldwide.
From pine trees to camphor laurel and even the Cootamundra wattle, trees can be weeds too.
Lake Powell’s existential crisis is a unique opportunity to save a treasured landscape.
Enormous cane toads in Australia are not new – but we might see even larger ones as predators figure out how to eat these introduced toxic toads.
The pet trade has spurred a wave of bird imports, leading to escapes or even deliberate releases of exotic species into the wild. New research reveals the threat they now pose to native birds.
Carp can make riverbeds look like golf balls – denuded and dimpled, devoid of any habitat. Releasing carp herpes virus is a controversial proposition, so let’s weigh up the risks and benefits.
The ways eastern fence lizards have changed in response to red imported fire ants demonstrate how species can adapt to survive the presence of invasive predators.
Rats are disrupting the flow of nutrients towards the sea on many tropical islands – this has consequences for fish behaviour and the wider ecosystem.
Creating and preserving diverse forests can help us prepare for the next insect outbreak and protect our trees.
Scientists have found more ‘alien species’ today in regions that were once key parts of European empires.
38 mammals have been driven to extinction since colonisation, and many more are close to joining them. We have the solutions at hand, but warnings continue to be met with mediocre responses.
Ballast water release from ocean vessels has been a major source of invasive species in the Great Lakes for over 60 years.
New research has found that since the mid-1980s, the economic impact of invasive reptiles and amphibians totals more than US$17 billion.
While official data is yet to be released, this year’s Mediterranean marine heatwave will likely have devastating ecological consequences.
The spread of this urban malaria vector species threatens the gains made against malaria and the achievement of malaria elimination.
Indonesia’s foot-and-mouth outbreak shouldn’t come as a surprise. It’s been decades in the making – just the latest consequence of biosecurity shortcomings in the region.