Barren deserts can host complex ecosystems

January 19, 2015 6:30 PM

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Barren deserts can host complex ecosystems

A biological soil crust in Hovenweep National Monument, a region located in southwestern Colorado and southeastern Utah. (Nationalparks (Transferred by Nihonjoe)/Wikipedia)

A moss species, called hairless twisted moss, growing as part of a biological soil crust in Utah. The member species of biological soil crusts each play important roles in maintaining the health of the overall community. (NPS/Neal Herbert)

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