<ul><li>Madagascar's largest estuary, the Betsiboka River, has experienced significant changes over the past century.</li><li>Extensive logging and expansions to farmland have caused severe soil erosion, leading to sediment flowing downstream and impacting the estuary.</li><li>The river delta now occupies more than half of the estuary, reducing navigability for ships.</li><li>A comparison of astronaut photos from 1984 and 2024 reveals the formation of new islands and sand bars further downstream.</li></ul>

Growing Downstream

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