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Nature  /  prairies

Facts about Prairies

7 facts squeezed so far
  1. 07

    During the Pleistocene epoch, mammoth and mastodon herds roamed North American prairies alongside camels, horses, and ground sloths before megafauna extinctions 13,000 years ago.

    PrairiesMay 14ancientmegafaunaextinction
  2. 06

    Tallgrass prairie soil contains up to 3,000 pounds of organic matter per acre, storing more carbon than forests of similar size.

    PrairiesMay 14biologymeasurementcarbon
  3. 05

    Prairie dog colonies in the Great Plains once covered an estimated 100 million acres across North America, with some individual towns spanning up to 25,000 square miles.

    PrairiesMay 14wildlifemeasurementecology
  4. 04

    Over 3,500 plant species evolved to thrive in North American prairie ecosystems, with many developing deep root systems extending 12 feet underground to survive droughts.

    PrairiesMay 14biologyadaptationecology
  5. 03

    Prescribed burns conducted by land managers remove accumulated dead plant material from prairies, with fire naturally occurring every 3 to 5 years historically to maintain grassland health.

    PrairiesMay 14ecologyfiremanagement
  6. 02

    Bison herds numbering 30 to 60 million once dominated North American prairies, with a single herd spanning up to 1,500 miles during migration.

    PrairiesMay 14biologyhistorymeasurement
  7. 01

    The tallgrass prairies of North America once covered approximately 170 million acres before European settlement reduced them by 99 percent.

    PrairiesMay 14ecologyhistorymeasurement