Cahuilla, Serrano, Chemehuevi, and Mojave native communities have long stewarded the lands that include Joshua Tree National Park. Tribal communities expand our understanding of the desert’s plants, animals, and natural processes that have developed over thousands of years. Traditional ecological knowledge has been passed from generation to generation through storytelling and hands-on training, including where to find resources, how and when to harvest plants, how to safely travel across the desert, and the use of fire to manage the landscape.
Traditional knowledge, together with physical surveys, computer modeling, and various studies, helps park managers mitigate threats such as fire, damage to cultural sites, and invasive species, and develop sustainable management practices.
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Speckled Rattlesnake (Crotalus michelli)
Joshua Tree National Park, JOTR 17146
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Speckled Rattlesnake (Crotalus michelli)
National Park Service photograph
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Sidewinder (Crotalus cerastes)
Joshua Tree National Park, JOTR 17122
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Sidewinder (Crotalus cerastes)
National Park Service photograph
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Notebook
Joshua Tree National Park, JOTR 28354
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Elizabeth Campbell
Joshua Tree National Park, JOTR 9969
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Remote expedition camp
Joshua Tree National Park, JOTR 11417
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Looking for Birds
National Park Service photograph
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Honey Mesquite (Prosopis glandulosa)
Joshua Tree National Park, JOTR 32305
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Young green Honey Mesquite beans
National Park Service photograph
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Chia (Salvia columbariae)
Joshua Tree National Park, JOTR 1195
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Chia Seeds
National Park Service photograph
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Chia in Field
National Park Service photograph
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Chia Flower
National Park Service photograph
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29 Palms on Colorado Desert
Joshua Tree National Park, JOTR 8921
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Oasis of Mara today
National Park Service photograph
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Northern Flickers eating palm fruit
National Park Service photograph
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Oasis of Mara in crisis
National Park Service photograph
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Staff remove invasive plants
National Park Service photograph
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Desert Tortoise Study Field Notes
Joshua Tree National Park, JOTR 20578
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Desert Tortoise (Gopherus agassizii)
National Park Service Photograph
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Tortoise tracking
National Park Service photograph
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Park biologist measuring desert tortoise
National Park Service photograph
Last updated: August 9, 2023