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The Environment and Invasives Committee’s Weeds Working Group commissioned this report in 2020 to analyse the WoNS initiative and develop a draft a framework to underpin the future of national established weed management.

This “Early invader manual: managing early invader environmental weeds in Victoria” (manual) is a summary of a set of six detailed guides about early invader management. They can help improve decision making about what are the highest risk weeds, how to search for and identify them, determine where the infestation boundaries are, work out which management approach is best and where feasible, respond with local eradication.

This economic assessment by Ross McLeod in 2018 estimates weeds to impose an overall average cost of nearly $5 billion across Australia. Overall costs have increased by more than 20% over the 14 years since the Sinden et al (2004) study.

​​​​​The current Australian Weeds Strategy (2017-2027) provides a national framework for addressing weed issues whilst maintaining the profitability and sustainability of Australia’s primary industries and the reducing the impact of weeds on the environment.

The primary aim of this technical bulletin by By J.E. Ireson, J.T. Davies, D.A. Friend, R.J. Holloway, W.S. Chatterton, E.I. Van Putten and R.E.C. McFadyen was to provide a revised assessment of the cost of weeds to Tasmanian pastures and field crops as well as identifying the weeds that are having the most significant impact on Tasmanian agriculture. It also reviews the current status of all weed biological control programs that have been conducted in Tasmania against some of the major weeds and provides a case study of the successful biological control program on ragwort. The document should serve as a useful reference for those involved in weed control both within the state and nationally.

The Australian Weeds Strategy (2007-2017) provided a framework to establish consistent guidance for all parties, and identifies priorities for weed management across the nation with the aim of minimising the impact of weeds on Australia’s environmental, economic and social assets.

This report by AR Page and KL Lacey (AECgroup) examines the return on investment of the Australian weed biological control (biocontrol) effort.

This report by by Aaron Coutts-Smith and Paul Downey (NSW Pest Management Unit, Parks and Wildlife Division Department of Environment and Conservation) looks at the biodiversity impacts of weeds on the natural environment.

This report by by Randall Jones, Garry Griffith and David Vere (NSW DPI) evaluates the economic return on benefit based on seven years of CRC work.

Guides by Di Carpenter and Annabel Bowcher for the management of weeds in winter pulse crops, looking at the whole farm business and developing strategies involving a wide range of techniques. These publications provides an overview of all aspects of managing weeds during the pulse phase of crop rotation, including what pulse species to choose, weed impacts on pulse production, problem weed species by state, optimisation of the competitive ability of pulses against weed species and weed management using an integrated approach drawn from the suite of available chemical and cultural control methods.

Economic research undertaken by J Sinden, R Jones, S Hester, D Odom, C Kalisch, R James and O Cacho in 2003 established that the annual cost of weeds to Australian agriculture exceeds $3.5 billion, and may be as high as $4.5 billion per year.

This peer-reviewed publication edited by H Spafford Jacob and DT Briese contains the proceedings from the Weeds CRC Biological Control of Weeds Symposium held in Perth on September 13, 2002.

This report by the Centre for International Economics highlights the CRC’s achievements up until 2001 and the avenues through which the CRC’s work will reduce weed costs over the longer term.

This paper by by Randall Jones, Yohannes Alemseged, Richard Medd and David Vere reports on an analysis of the costs of weeds in Australian annual winter cropping systems.

This model’s development by David Vere, Garry Griffith and Randall Jones closely follows the structural modelling procedures previously adopted in NSW Agriculture and represents an aggregation of that research into a single entity.

The aim of this report by S Csurhes and R Edwards was to list and describe non-indigenous terrestrial and aquatic plant species considered to have the following attributes – represent a threat to native terrestrial or aquatic plant communities, a localised distribution and vulnerable to eradication (including species that only exist as cultivated specimens).

This report by R.J. Adair & R.H.Groves is a review and development of a methodology.

This report convened by RH Groves, appendix compiled by JR Hosking assigns dates to weed incursions and naturalisations wherever known.

This report reviews existing work in community weed management, examining hours, money spent, weed control methods used, regions covered and geographic locations. It also identifies the advantages and limitations of using community groups for environmental weed management. It is interesting to note that the most successful community groups to date are those that receive appropriate support from the local agency with which they are working. It is critical for government agencies to provide experienced personnel to train and support groups that are supplying their time to control environmental weeds, an often tedious job.

Cover of Community involvement in off-reserve and on-reserve management of environmental weeds
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This paper by DT Vere, RE Jones and GR Griffith presents a brief review of the methodology of production systems modelling and provides details of the farm and industry modelling methods adopted in the construction of the integrated models. Examples of the application of this modelling system are presented.

In terms of aquatic ecosystem management, vegetation has many benefits, such as providing habitat and increasing the strength of the substrate. There are situations where vegetation has negative implications. Examples include where vegetation has grown more abundant compared to its reference condition or its establishment has changed the boundary conditions such as the strength or roughness of the river channel. The consequences of these can be that native vegetation is outcompeted or that the rates and location of erosion and deposition are altered. All these impacts can result in a loss of habitat.

This plan is for invasive plant control on public land in the Australian Capital Territory (ACT). Many of the species are legally required to be controlled (pest plants). Planned control work on leased rural land is outlined in separate land management agreements. Major threats are tackled jointly, because invasive plants do not recognise fences or property boundaries.

NSW WeedWise contains over 300 weed profiles, describing their profile, control (including registered herbicide options) and biosecurity duty (under the NSW Biosecurity Act 2015). This information is tailored to NSW only.