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Weeds of national significance


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1.5GOAL 1: Prevent new infestations from establishing

The first strategic goal is about the most cost effective weed management option - prevention of establishment of new infestations. Implementing this may include active surveillance, rapid response to new incursions, and targeted eradication of outlier infestations and containment of core infestations.


African boxthorn is spread primarily when animals such as birds and foxes, eat the fruit and excrete the seed. The nature of spread in this relatively random manner adds complexity to management actions such as containment. With there being a period of approximately two years from germination to reproductive capacity with African boxthorn plants, active surveillance and rapid response are critical aspects of management to contain spread.



Objectives

Strategic Actions

Priority

Responsible Partners

    1. Invasion vectors, sources and pathways are identified and managed to prevent or reduce spread

      1. Identify limits of existing infestations and declare clean/unsuitable areas, and promote active surveillance and rapid response measures

1

WoNS coordinator, management committee, state/territory jurisdictions, regional bodies and local government

      1. Identify invasion vectors and sources using tools such as pathway analysis software*

1

WoNS Coordinators, management committees, state/territory jurisdictions, regional bodies, local government and industry

      1. Promote management of vectors, sources and pathways to prevent or reduce spread

1

Local government, regional bodies, state/territory jurisdictions, and industry

      1. Develop and promote hygiene management tools and techniques*

2

WoNS coordinators, state/territory jurisdictions, and industry

    1. Surveillance and response mechanisms are ensuring timely detection of the infestations (both new and previously undetected)

      1. Identify existing surveillance systems (including Weed Spotters type programs)*

1

WoNS coordinators, local government, regional bodies, state/territory jurisdictions, and industry

      1. Promote development of necessary additional surveillance tools and techniques and related guide materials*

2

WoNS coordinators, management committee, local government, regional bodies, state/territory jurisdictions, and industry

      1. Promote active surveillance, and surveillance-informed rapid response to new incursions in regional and local areas currently free of African boxthorn

1

WoNS coordinator, local government, regional bodies, state/territory jurisdictions, and industry

    1. Priority outlier infestations are contained or eradicated and spread from core infestations is prevented

      1. Identify outliers and promote establishment of eradication programs and containment lines

1

WoNS coordinator, state/territory jurisdictions, regional bodies and local government

      1. Engage and support relevant communities/jurisdictions to implement eradication programs and containment lines

1

WoNS coordinators, management committee, local government, regional bodies, and state/territory jurisdictions

      1. Promote and support on-ground actions aimed at achieving prevention of spread from core infestations

1

WoNS coordinator, local government, regional bodies, state/territory jurisdictions, and industry

      1. Establish and maintain an investment priorities spreadsheet for regions nationwide*

2

WoNS coordinators and management committees

*Actions likely to involve a combined effort across WoNS




1.6GOAL 2: Existing infestations are under strategic management

The second goal seeks to strategically manage established infestations essentially through prioritising areas where assets are threatened. Specifically, this means directing resources to areas where the weed poses threats to natural (e.g. threatened species/communities), production (e.g. agriculture or forestry), cultural heritage (e.g. indigenous and European), and other assets.


African boxthorn is widespread in southern Australia. It is known to be impacting on significant national and/or jurisdictional assets such as high value coastal/island, wetland, riparian, and production lands.



Objectives

Strategic Actions

Priority

Responsible Partners

    1. Priority assets are benefitting from long-term strategic weed control programs

      1. Develop a nationwide assessment process (such as a risk matrix), to identify and prioritise natural, production and cultural heritage assets at threat from African boxthorn, and focus management expenditure on areas where the benefits of management clearly exceed the costs*

1

WoNS coordinators, management committees, state/territory jurisdictions, and regional bodies

      1. Promote development and implementation of regional and/or local weed management plans consistent with the African Boxthorn Strategic Plan

1

WoNS coordinators, local government, regional bodies, and state/territory jurisdictions

      1. Promote and support on-ground actions consistent with achieving strategic protection of assets from threats posed by African boxthorn

1

WoNS coordinators state/territory jurisdictions, regional bodies, and local government

      1. Identify and increase stakeholder awareness of situations where boxthorn is providing conservation benefits (e.g. Orange-bellied parrot habitat in Victoria and South Australia)

2

WoNS coordinators, state/territory jurisdictions, regional bodies, and local government

      1. Develop and produce materials outlining wildlife habitat values/situations of boxthorn, and provision of alternatives prior to removal and landscape restoration post removal*

2

WoNS coordinators, management committee, state/territory jurisdictions, regional bodies, and local government

    1. Holistic weed and land/water management practices are improving natural ecosystem condition, sustainable production and community wellbeing

      1. Promote and support implementation of coordinated landscape scale (and multi-species) approaches to weed management

1

WoNS coordinators, management committee, regional bodies, state/territory jurisdictions, and local government

      1. Produce best practice materials for African boxthorn management in offshore island and coastal situations, and other sensitive environments (in addition to broad best practice management materials –see Objective 3.2)

1

WoNS coordinators, management committee, state/territory jurisdictions, and regional bodies

      1. Produce materials to promote awareness of weed management and activity/action into daily activities of the broader community*

3

WoNS coordinators, management committee

*Actions likely to involve a combined effort across WoNS




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