An invasive species is a plant, fungus, or animal species that is not native to a specific location (an introduced species), and which has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.
Revegetating in the Wet Tropics has it's challenges unlike anywhere else.
Read all about invasive weeds of the Wet Tropics and especially the Kuranda Region in this excerpt from the Welcome to Kuranda booklet, which you can read here.
Visit the Wet Tropics Management Authority (WTMA) website page on feral animals to learn all about how they impact on fragile ecosystems. There's also a comprehensive booklet on both invasive flora and fauna that you can download.