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Management of High Priority Ecological Weeds


Some invasive plants have the ability to transform (damage or destroy) ecosystem function. Weeds outcompete more desirable plant species and disrupt processes such as water flow, fire regimes, soil quality, nutrient cycling and regeneration. Weeds can also be harmful to human and animal health. Weeds thrive on disturbance and so their harmful impacts are exacerbated by tropical cyclones, strong winds, drought and fires, all of which are increasing in severity due to the changing climate. Whilst there are several existing weed management programmes across the Pacific, capacity overall is very limited. This programme is focused on the management of high risk, low distribution weed species, where the objective is eradication or containment.



SPREP is the lead PRISMSS technical partner for this programme. The SPREP Invasive Species Team has over 50 years’ experience between them executing weed management projects in the Pacific, New Zealand and internationally. Weed eradication is a highly specialised field of work. SPREP has the experience and skills needed to develop programmes and facilitate successful results on the ground. The current projects implemented by SPREP in the Pacific are;

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