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How did seasonal burning of grasslands contribute to erosion on Babelthuap?

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On the island of Babelthuap, the practice of burning grassy upland areas during the dry season has contributed to significant erosion. While the island possesses stable laterite soils and clays, this seasonal burning removes protective vegetation, leaving the land vulnerable to the effects of heavy annual rainfall, which averages about 150 inches (3,800 mm).1