Goat prairies, sometimes termed hill prairies, or dry prairies are found mainly along the valley of the Upper Mississippi River in the Driftless Area, but can occur elsewhere. Normally a variant of tallgrass prairie, they are found on south-southwest-facing slopes, which receive considerable winter sun, causing a frequent freeze-thaw cycle.
Goat prairies, sometimes termed hill prairies, or dry prairies are found mainly along the valley of the Upper Mississippi River in the Driftless Area, but can occur elsewhere. Normally a variant of tallgrass prairie, they are found on south-southwest-facing slopes, which receive considerable winter sun, causing a frequent freeze-thaw cycle.
Source: Wikipedia "Goat prairie" · CC BY-SA 4.0
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