Claypan
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
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.
gollark: And it is bad and uncool because it is very verbose to do some things in.
gollark: Extra friction with creating types discourages good practice in the form of creating dedicated sensible types where necessary.
gollark: In Java if you want to declare a new type to store some data and have equality and hashing and whatnot, it's horrible and complex and you can't even do operator overloading.
gollark: I mean, in sane languages if you want to declare a new type you can do `data Bees = Bees Int String deriving (Show, Eq)` or whatever.
gollark: It's harder to understand if it's verbose and whatnot.
See also
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