Coastal wetlands are valuable ecosystems, serving crucial roles in the carbon cycle, natural disaster mitigation, local livelihoods, and biodiversity support. Waterbirds, reliant on these wetlands, are indicative of wetland health and often considered flagship species for conservation efforts. The state of waterbirds largely mirrors coastal wetland conservation and management.
Located in the middle of the East-Asian Australasian Flyway, China's coastal wetlands serve as breeding grounds, migration stopovers, and winter habitats for tens of millions of waterbirds.
To that end, Zhijun Ma, an ornithologist at Fudan University, along with either other ornithologists and conservationists, recently published a review in the journalThe researchers highlighted the notable progress in national-level conservation legislation, regulations and action plans, accompanied by improved policy effectiveness and stakeholder engagement. Nonetheless, several pressing issues persist, primarily revolving around habitat conservation and management.
"We recommend regular pollutant monitoring, along with eco-friendly economic models and restricting agrochemicals, insecticides, fungicides and antibiotics in," said Ma."Many waterbirds, including threatened species, frequent human-managed habitats. Mitigating human activity impact and addressing human-bird conflicts are essential aspects for coordinating conservation with local economic development.
In 2022, China's central government set an ambitious aim to eradicate invasive Spartina along the coast, targeting a 90% reduction in invaded areas by 2025. The authors highlight that there are still challenges include tailoring methods to regional conditions, mitigating large-scale project impacts on the local environment and biodiversity, and preventing future Spartina re-invasion. Swift habitat restoration post-Spartina eradication is needed to create suitable waterbird habitats.
"Nevertheless, we believe there are great opportunities for further improving the efficacy of waterbird conservation and coastal wetland protection in China. What we need for future coastal waterbird and wetlandZhijun Ma et al, Achievements, challenges, and recommendations for waterbird conservation in China's coastal wetlands,
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