Invasive species and biosecurity

Invasive species such as weeds, feral animals, insects and other invertebrates, diseases, fungi and parasites can have major impacts on biodiversity.
Evolutionary changes in invasive species can increase their impact on native species and their geographic spread. Hybridization between exotic and native species can also have significant impacts in invaded habitats.
The management of exotic pathogens can be improved by identifying resistance in the invaded host’s genome.
Native species may become invasives when they move from their current ranges as they adapt to climate change.
For information on Australia's biodiversity policies see the Department of the Environment and Energy:

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