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Lantana (Lantana camara L.)


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2.6 Research requirements


For a weed that has achieved such worldwide notoriety, there are still a remarkable number of knowledge gaps. The following list has been compiled from reviews of the existing literature, with reference to a similar list provided by Johnson (2007) and from discussions with experts and on-ground managers:

  • Further research into the ecology and population dynamics of lantana varieties is vital to identify vulnerable aspects of the life history and to establish effective management and monitoring strategies.

  • Monitoring the effectiveness of existing biological control agents so that future release programs can be justified and better targeted.

  • Investigations into the ecological limitations of lantana varieties to improve assessments of potential spread under current and climate change scenarios. Focus should be on the relative importance of temperature, number of frost days and soil moisture content.

  • Further research into fire management and its integration with other control techniques to achieve management outcomes suitable to a range of environments.

  • Assessment of the rate and nature of genetic flow from existing ornamental varieties into weedy populations.

  • Continued assessment of potential biological control agents with a focus on species from the Caribbean and Venezuelan regions, which have been identified as the most likely points of genetic origin of lantana in Australia.

  • Monitoring and quantification of the factors affecting natural ecosystem recovery following lantana removal.

  • Predictive modelling of high-risk spread pathways and regions under current and climate change conditions.

  • Research into appropriate native replacement species and control techniques (e.g. mosaic control and appropriate patch-management size) to ensure ongoing food and habitat options for native species in disturbed environments.

  • Research into better integration of biological control and other management techniques.

  • Research to identify or confirm a relationship between lantana infestations and bell minor–associated dieback.

2.7 Legislative controls


From late 2006, all lantana species and material including nursery stock, plant parts and seeds were prohibited entry to Australia under the Quarantine Proclamation 1998.

Table 1 summarises the current state and territory declarations as at December 2012.



Table 1 Legislation related to Lantana camara

Jurisdiction

Legislation

Declaration

Action

Australian Capital Territory

Pest Plants and Animals Act 2005

Lantana camara is included on the declared pest plant list

Supply and propagation is prohibited

New South Wales

Noxious Weeds Act 1993

All lantana species are declared as Class 4 plants statewide

Growth and spread of the plant must be controlled according to the measures specified in a management plan published by the local control authority, and the plant may not be sold or knowingly distributed

Lantana camara is declared a Class 3 Regionally Controlled Weed in the Bega Valley, Eurobodalla and Lord Howe Island Shires

The plant must be fully and continuously suppressed and destroyed, and the plant may not be sold or knowingly distributed

Northern Territory

Weeds Management Act 2001

All lantana species are Schedule Class B/C plants statewide

Growth and spread to be controlled; not to be introduced to the Territory

Queensland

Land Protection (Pest and Stock Route Management) Act 2002

All lantana species are Class 3 plants statewide

Supply or sale prohibited

May require removal from environmentally significant areas



South Australia

Natural Resource Management Act 2004

L. camara is a Class 11 – category 3 plant statewide

Sale is prohibited

Tasmania

Weed Management Act 1999

Legal responsibilities are laid out in the Lantana Statutory Weed Management Plan (Lantana camara)

Import, sale and supply is prohibited. Land holders may be required to control the species on their property

Victoria

Catchment and Land Protection Act 1994

L. camara is a Restricted plant in all regions

Trade and distribution of the species is restricted

Western Australia

Biosecurity and Agriculture Management Act 2007


L. camara is declared C3 (management) – whole of state

Sale and trade is prohibited. Weed-specific management plans may be developed in the future


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