Invasive Species

13th May 2011
Invasive Species

What are invasive species

An invasive species is a species occurring, as a result of human activities, beyond its accepted normal distribution and which threatens valued environmental, agricultural or other social resources by the damage it causes.

Invasive species are the second highest threats to our unique biodiversity (next to habitat loss) and are reducing overall species abundance and diversity.

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Phytophthora: An Emerging Threat

15th July 2011
Phytophthora: An Emerging Threat

Phytophthora root rot, a form of 'dieback', is a disease that affects many native plants and ecosystems, important crops and horticultural plants in Australia and throughout the world. Its global spread has been the consequence of trade and human migration.

In Australia, the disease infects an especially large range of mainly woody perennial plant species and is also a major threat to some rare and endangered species.

- Department of the Environment and Heritage, 2009

Image: Phytophthora Dieback resulting in plant death.
Source: Royal Botanic Gardens Sydney and Environmental Trust

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