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Résumé :
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At the end of January 2020, as migratory waders started to prepare for their northward journey to their breeding areas, the Portuguese Authority evaluating Environmental Impact Assessments (EIA) issued a favourable statement regarding the construction of a new commercial airport at the heart of the Tagus estuary, the most important wetland in Portugal for waders and other waterbirds. Although imposing conditions (specifically, targeted com- pensation measures), this decision is a major blow to local and international conservation actions across the East Atlantic Flyway. Given the potential magnitude of the impacts and the high level of site-fidelity of species studied locally, this new threat is likely to have important consequences for many of the already declining populations using the Tagus estuary.
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