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In geology, a claypan is a dense, compact, slowly permeable layer in the subsoil having a much higher clay content than the overlying material, from which it is separated by a sharply defined boundary. Claypans are usually hard when dry, and plastic and sticky when wet, they limit or slow the downward movement of water through the soil.

Animal Habitats[edit]

Claypans provide homes to a variety of flora and fauna. One such species is the Dawson's Burrowing Bee, located in Australia; this species uses claypans as the sites for their underground nests, where individuals will they lay their broods post-mating.

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