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No audio. Joshua Tree National Park Timelapse of Clouds and Sunset near west entrance.
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Joshua Tree National Park Timelapse of Clouds and Sunset near west entrance
The desert of Joshua Tree today is drastically different from the environment ten thousand, one hundred, or even thirty years ago. Park scientists study how the landscape, Joshua trees, and animal populations such as the desert tortoise have changed in response to shifting climate and human settlement.
Studies of fossil specimens and the geology of the Pinto Basin reconstruct an ancient environment where camels and other large animals roamed along braided streams or channels that ran through what is now a bone-dry basin. Scientists measure more recent climate changes to understand the future of the park’s environment. Older studies such as bird counts from 50 years ago document how the atmosphere, soil, and vegetation have changed.
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Pinyon Jay study skinJoshua Tree National Park, JOTR 18619
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Mountain Quail study skinJoshua Tree National Park, JOTR 18569
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Pinyon JayCourtesy of William Hopson
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Mountain QuailCourtesy of William Hopson
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Fossilized Camelops leg boneJoshua Tree National Park, JOTR 24695
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Pinto BasinNational Park Service photograph
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Paleontologists removing a specimenNational Park Service photograph
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Fossilized Protoyucca trunkJoshua Tree National Park, JOTR 11837
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Protoyucca shadishi distribution mapNational Park Service
Last updated: August 3, 2023