NPS Parks

“Leveraging temporal variation in climate and management across national parks in the western U.S. to characterize three decades of landscape vegetation dynamics.”



Yosemite landscape dynamics

Yosemite National Park is shaped by






37° 44' 52.8612" N, 119° 35' 1.446" W


Click on an icon below to learn more about certain types of changes occurring in Yosemite National Park.


Yosemite - Tree Growth

Yosemite - 2002 Wolf Fire

"On July 11, 2002, lightning struck a tree and started a fire near the White Wolf area of Yosemite National Park.  The ecology of the red fir and lodgepole pine that dominate the area requires periodic fire" ( This fire was managed for the benefit of the resource and reducing future fire danger.  Approximately 950 acres were affected.  Over 500 people participated in daily fire ecology walks with firefighters as a way of understanding the role of fire in this National Park.

Yosemite insect: Lodgepole Needleminer - Elizabeth Lake

Description from National Park Service

Elizabeth Lake (moderate)

 4.8 miles (7.7 km) round-trip, 1,000-foot elevation gain; 4 to 5 hours

 Begin at Tuolumne Meadows Campground near group camp

 The trail begins in the B loop of the campground and climbs steadily to a glacier-carved lake at the base of Unicorn Peak. The return hike follows the same route.


Images along the trail....