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A decade-long restoration and monitoring programme at Merambong Shoal, off Johor Bahru in Peninsular Malaysia, has achieved substantial seagrass recovery after damage caused by 2014 dredging linked to a large landāreclamation āForest Cityā project.
Researchers from Universiti Putra Malaysia, working with developer Country Garden Pacificview, ran the project from 2015ā2025 and used a mix of fastāgrowing seagrass species cultivated and transplanted to degraded plots.
Some recovery plots recorded survival rates of about 66%, and as transplanted meadows stabilised the team observed natural recolonisation by other seagrass species and a rebound in animal communities ā including four new species records and more than 100 invertebrate species.
The study highlights key success factors: detailed knowledge of local seagrass biology, adapting planting methods to site conditions, using multiāspecies mixes, addressing original drivers of decline and maintaining longāterm postāplanting care and monitoring.
Authors note Malaysia lacks comprehensive seagrass mapping and warn that coastal development, dredging, runoff, anchoring and storms remain major threats.
They suggest the approach may offer a template for seagrass restoration across the wider IndoāPacific if sustained funding and regulation are secured.
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Pioneering primatologist in Madagascar shares decades of conservation wisdomSeagrass restoration in Malaysia finds multi-species approach boosts recoveryCarolyn Cowan4 Feb 2026





















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