Abstract Loss and degradation of wetlands has occurred worldwide, impacting ecosystems and contributing to the decline of waterbirds, including shorebirds that occur along the heavily developed coasts of the East Asian-Australasian Flyway (EAAF). Artificial (i.e. human-made) wetlands are pervasive in the EAAF and known to be used by shorebirds, but this phenomenon has not been systematically reviewed. We collated data and expert knowledge to understand the extent and intensity of shorebird use of coastal artificial habitats along the EAAF. We found records of 83 species, including all regularly occurring coastal migratory shorebirds, across 176 artificial sites with eight different land uses. Thirty-six species including eleven threatened species occurred in internationally important numbers. However, threatened species were less likely to occur, and larger-bodied, migratory and coastal specialist species less likely to feed, at artificial sites. Abundance, species richness and density varied across artificial habitats, with high abundance and richness but low density on salt production sites; high abundance and density on port and power production sites; and, low abundance and richness on aquaculture and agriculture. Overall, use of coastal artificial habitats by shorebirds is widespread in the flyway, warranting a concerted effort to integrate artificial habitats alongside natural wetlands into conservation frameworks. Salt production sites are cause for particular concern because they support large shorebird aggregations but are often at risk of production cessation and conversion to other land uses. Preserving and improving the condition of all remaining natural habitats and managing artificial habitats are priorities for shorebird conservation in the EAAF [see Supplementary Materials A for a Japanese translation of the abstract].

中文翻译：

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穿越混凝土海岸：亚太地区滨鸟对人工栖息地的普遍利用

摘要 湿地的丧失和退化在世界范围内发生，影响生态系统并导致水鸟的减少，包括出现在东亚-澳大利亚迁徙路线 (EAAF) 高度发达的海岸沿线的水鸟。人工（即人造）湿地在 EAAF 中无处不在，并且已知被滨鸟使用，但尚未系统地审查这种现象。我们整理了数据和专业知识，以了解滨鸟在 EAAF 沿岸人工栖息地的使用范围和强度。我们在 176 个具有八种不同土地用途的人工场地中发现了 83 种物种的记录，其中包括所有经常出现的沿海候鸟。包括 11 种受威胁物种在内的 36 种物种出现在国际上的重要数量。然而，受威胁物种发生的可能性较小，体型较大的、迁徙的和沿海的特殊物种不太可能在人工地点进食。人工栖息地的丰度、物种丰富度和密度各不相同，盐产地的丰度和丰富度高，但密度低；港口和电力生产场地的丰度和密度高；以及水产养殖和农业的低丰度和丰富度。总体而言，滨鸟对沿海人工栖息地的使用在飞行路线中很普遍，需要共同努力将人工栖息地与自然湿地一起纳入保护框架。盐产地尤其令人担忧，因为它们支持大型滨鸟聚集，但往往面临停产和转换为其他土地用途的风险。