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Department of Agriculture

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  1. Home
  2. Biosecurity and trade
  3. Biosecurity
  4. Import risk analyses
  5. Weed assessments
  6. The Weed Risk Assessment process

Sidebar first - Biosecurity

  • Weed assessments
    • Development of the Weed Risk Assessment system
    • Weed risk assessments frequently asked questions
    • Reasons for the Weed Risk Assessment system
    • The Weed Risk Assessment process
      • Weed Risk Assessment system

The Weed Risk Assessment (WRA) process

The Weed Risk Assessment (WRA) process is a science-based biosecurity risk analysis tool for determining the weed potential of proposed new plant imports.

The department conducts WRAs on all new plant species proposed for introduction into Australia as seeds, tissue culture or any other material for propagation. WRAs are usually done at the species level but sub-specific taxa or hybrids are also occasionally assessed.

The WRA process is a three-tiered system that involves the importer and the department.

Tier 1: determine status in Australia

The first step involves validating the taxonomic name of the plant proposed for introduction. Importers can begin the process by checking the biosecurity import conditions (BICON) system for the plant proposed for introduction. If the species is not listed as either permitted subject to import conditions or prohibited on BICON, the importer must complete a New plant introduction form and submit it to the department.

The department then completes Tier 1 by determining whether the plant is:

  • not present in Australia
  • present in Australia but under official control or
  • present in Australia and not under official control.

Tier 2: conduct a weed risk assessment

If the plant is not present in Australia, the species advances to tier 2 and a Weed Risk Assessment is conducted by the department.

Tier 3: Post-entry evaluation

If the species falls into the ‘further evaluate’ category following a Weed Risk Assessment, importers are given the opportunity to provide more information for re-assessment of the species or continue to Tier 3 – post-entry evaluation.

History

The WRA process was adopted in 1997, following consultation with government agencies, nursery and seed industry associations, state noxious weed agencies, private importers, public and private sector scientists and weed experts from around the world.

The Department of the Environment was involved in developing the system and accepts the outcomes in its legislation (the Environment Protection and Biodiversity Conservation Act 1999).

In developing biosecurity policies for the importation of plants and plant products, the department complies with Australia's rights and obligations as a signatory to the World Trade Organisation, under the Agreement on the Application of Sanitary and Phytosanitary Measures (SPS Agreement), and the International Plant Protection Convention.​

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Page last updated: 04 November 2019

We acknowledge the continuous connection of First Nations Traditional Owners and Custodians to the lands, seas and waters of Australia. We recognise their care for and cultivation of Country. We pay respect to Elders past and present, and recognise their knowledge and contribution to the productivity, innovation and sustainability of Australia’s agriculture, fisheries and forestry industries.

Artwork: Protecting our Country, Growing our Future
© Amy Allerton, contemporary Aboriginal Artist of the Gumbaynggirr, Bundjalung and Gamilaroi nations.

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