invasive species

Japanese fish

Human-made debris such as plastic have vastly increased the numbers of marine species crossing the oceans, write Emma Johnston and Jim Carlton. 

Toad with tracking device at a farm bore 1 0

It will not be simple or cheap, but fencing dams in arid areas could create "cane toad breaks" to halt the march of these invaders across the continent, writes Mike Letnic  

05 Cane Toad 1

Erecting fences to stop cane toads entering man-made dams to cool down in hot, dry parts of Australia is an effective way to stop their spread, UNSW-led research shows.

Oxford ragwort 1

Weeds in the UK are still evolving hundreds of years after their introduction and are unlikely to have reached their full potential as invaders, UNSW scientists have discovered.