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  • Author Court, Caroline
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  • Collection Biodiversity Conservation
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Threats to mangroves from climate change and adaptation options
Climate Change Resilience, Biodiversity Conservation
Available Online

Duke Norman C

,

Ellison Joanna

,

Field Colin

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Gilman, Eric L

2008
Mangrove ecosystems are threatened by climate change. We review the state of knowledge of mangrove vulnerability and responses to predicted climate change and consider adaptation options. Based on available evidence, of all the climate change outcomes, relative sea-level rise may be the greatest threat to mangroves. Most mangrove sediment surface elevations are not keeping pace with sea-level rise, although longer term studies from a larger number of regions are needed. Rising sea-level will have the greatest impact on mangroves experiencing net lowering in sediment elevation, where there is limited area for landward migration. The Pacific Islands mangroves have been demonstrated to be at high risk of substantial reductions. There is less certainty over other climate change outcomes and mangrove responses. More research is needed on assessment methods and standard indicators of change in response to effects from climate change, while regional monitoring networks are needed to observe these responses to enable educated adaptation. Adaptation measures can offset anticipated mangrove losses and improve resistance and resilience to climate change. Coastal planning can adapt to facilitate mangrove migration with sea-level rise. Management of activities within the catchment that affect long-term trends in the mangrove sediment elevation, better management of other stressors on mangroves, rehabilitation of degraded mangrove areas, and increases in systems of strategically designed protected area networks that include mangroves and functionally linked ecosystems through representation, replication and refugia, are additional adaptation options.
Environmental Media Training for Representatives from Nine Pacific Island Countries Held in Suva
Environmental Governance, Biodiversity Conservation, Anamua: Treasures of the Pacific Environment
Available Online

Court, Caroline

A regional workshop was organized in Suva, Fiji, aimed at bolstering environmental journalism among media professionals from nine Pacific Island nations. Hosted by prominent environmental organizations, including the Secretariat of the Pacific Regional Environment Programme (SPREP), the event aimed to strengthen reporters’ ability to cover complex environmental issues, with an initial focus on climate change The Pacific is acutely vulnerable to environmental threats such as intensifying cyclones, sea-level rise, and coastal flooding, yet regional media remain under-equipped to report these dangers effectively. Better-informed journalism is seen as essential to influence policy, raise community awareness, and support climate adaptation strategies . The curriculum encompassed: Simplifying scientific and technical environmental information for broader audiences, Investigating and sourcing credible data, Crafting impactful narratives for print, radio, digital, and broadcast formats, Networking with climate and environmental experts to deepen reporting quality . Outcomes & Goals Journalists left the training inspired and better prepared, equipped with tools to translate complex climate issues into compelling public stories. The workshop aimed to foster a durable network of informed environmental correspondents across the Pacific, strengthening regional media collaboration and coverage.
Impact of Pesticides in the South Pacific: “Poisoned Paradise” – Case Studies from Tonga’s Megapode and Rarotonga’s Fly
Biodiversity Conservation, Waste Management and Pollution Control, Anamua: Treasures of the Pacific Environment
Available Online

Court, Caroline

1. Overview & Concerns A regional report titled “Poisoned Paradise” examines the environmental consequences of pesticide use across South Pacific islands, highlighting the ecological risks of toxic chemicals in agriculture and disease control . 2. Tonga – Tongan Megapode (“Malau”) The report raises concerns about pesticide exposure in Tonga’s fragile ecosystems, including impacts on unique species like the endangered Tongan megapode (Megapodius pritchardii). While direct studies are limited, ongoing threats include habitat degradation and potential chemical contamination in breeding grounds—often geothermal nests on volcanic soils. 3. Rarotonga – Indigenous Fly Species In Rarotonga (Cook Islands), pesticide usage to control agricultural pests and disease vectors (e.g., fruit flies, mosquitoes) threatens endemic insect populations, disrupting local food webs and ecological balance. Residues may accumulate in soils, water, and non-target wildlife—posing risks to biodiversity and human communities. 4. Broader Regional Themes The report indicates South Pacific nations increasingly rely on pesticides without sufficient regulation, labelling, monitoring, or disposal systems, leading to misuse and environmental contamination Over half of these countries report negative impacts from toxic chemicals in agriculture and public health initiatives, raising the need for stronger governance on chemical management. 5. Recommendations & Path Forward Strengthen regulatory frameworks: Licensing, proper labelling, safe use protocols. Build local capacity: Training for farmers, pest control operatives, and environmental officers. Promote integrated pest management and safer alternatives like biological controls. Enhance monitoring and waste disposal infrastructure to prevent environmental build-up. Foster regional cooperation to share research, best practices, and regulatory support.