• View of Half Dome and Washington Column in Yosemite Valley

    Yosemite

    National Park California

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  • Tioga Road is Closed for the Winter

    The Tioga Road (Highway 120 through the park) is closed due to snow; it usually reopens in late May or June. You can check on current road conditions by calling 209/372-0200 (press 1 then 1). More »

Study the Scientist: A Botanist

Botanist Martin Hutten, who is the manager of Yosemite National Park's invasive plant program, joined the park in 2008 after working at Craters of the Moon National Monument & Preserve in Idaho and Olympic and North Cascades national parks in Washington. (4 minutes 23 seconds)
 
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View Yosemite's other "Study the Scientist" videos to watch resource rangers describe their jobs.

  • See wildlife biologist Sarah Stock, who specializes in ornithology
  • See social scientist Bret Meldrum, who studies the quality of a visitor's park experience
  • See fire archeologist Jun Kinoshita, who functions as a firefighter and an archeologist
  • See historical architect George Jaramillo, who preserves the park's historical structures
  • See hydrologist Jim Roche, who protects water resources, including Wild & Scenic Rivers

Did You Know?

Riparian area in Tuolumne Meadows

Riparian communities are adjacent to the river channel and tributaries; they are the interface between the river and surrounding meadow and upland communities. They provide specialized habitat and important nutrients to the meadow and river systems.