Cần Giờ Mangrove Biosphere Reserve — 47 Years Rebuilding a War-Defoliated Forest, Now Threatened by Development
Vietnam
Since 1978, Ho Chi Minh City has replanted roughly 20,000 ha of mangroves defoliated by US wartime herbicide spraying, earning …
Kiribati · Tarawa · See the Kiribati profile · See the Tarawa profile
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Community volunteers under the World Bank/GEF-funded Kiribati Adaptation Program planted over 37,000 mangrove seedlings across six atolls; two Tarawa sites saw near-total die-off within 18 months, while tighter 'close-group' planting reached 50-90% survival elsewhere.
Under Phase II of the Kiribati Adaptation Program (KAP), a US$5.5 million initiative backed by the World Bank, the Global Environment Facility, UNDP, AusAID and the New Zealand Aid Programme, community volunteers planted more than 37,000 mangrove seedlings on the islands of Aranuka, Butaritari, Maiana, Makin and in North and South Tarawa between 2006 and 2011, as reported by the World Bank.
Results were mixed and were reported transparently rather than presented only as a success story. Seedlings planted at Bonriki and Nanikai in South Tarawa in 2009 suffered almost total mortality within about 18 months. At other sites, notably along the Ananau Causeway, seedlings planted in tight 'close groups' — which shelter each other from wave action — achieved survival rates of 50-90% and measurable growth, informing subsequent replanting guidance issued for Kiribati.
The programme illustrates both the potential and the fragility of mangrove-based coastal protection in atoll environments: shoreline stabilisation is achievable but highly sensitive to site selection, wave exposure and planting technique, and outcomes were not uniform across the six islands covered.
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Vietnam
Since 1978, Ho Chi Minh City has replanted roughly 20,000 ha of mangroves defoliated by US wartime herbicide spraying, earning …
Jamaica
A World Bank/PROFOR study found Jamaica's mangroves prevent an estimated US$32.7m/year in flood damage; NEPA, UWI and partners have restored …
Guyana
Guyana has restored over 500 hectares of coastal mangroves as a lower-cost alternative to concrete sea defences, which cost the …
China
China's first Verra- and CCB Gold-certified blue carbon project restored 380 hectares of mangroves in Zhanjiang (2015–2019), expected to offset …
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