Yosemite National Park a larger national park by 1890, one which encompassed the valley and its surrounding mountains and forests, paving the way for the National Park System. Yosemite is one of the largest and least fragmented habitat blocks in the Sierra Nevada, and the park supports a diversity of plants and animals. The park has an elevation range from and contains five major vegetation zones: chaparral and oak woodland, lower montane forest, upper montane forest, subalpine zone, and alpine. Of California's 7,000 plant species, about 50% occur in the Sierra Nevada and more than 20% are within Yosemite. The park contains suitable
Yosemite Firefall the Yosemite Park and Curry Company under the direction of the Curry family. YPCC continued to be the concessionaire of Yosemite National Park until 1993 (Although the YPCC has been owned by various corporations in recent decades, the name remained unchanged). During World War II the Firefall was discontinued. Some people in both the National Park Service and the Yosemite Park and Curry Company hoped that it would not be continued after the war. The NPS considered it an unnatural event in a natural area, and the task of presenting the Firefall each night was burdensome to YPCC. Employees drove