Tioga & Glacier Point Roads Closed for the Winter
The Tioga Road (Highway 120 through the park) and Glacier Point Road are closed due to snow; they usually reopen late May or June. You can check on current road conditions by calling 209/372-0200 (press 1 then 1). More »
Invasive Plant Update
The Invasive Plant Management Plan Update will give Yosemite National Park resource managers greater flexibility in responding to present and future threats to park resources from non-native invasive species. No one method or herbicide is best for controlling all species in all situations, and new herbicides are continually being developed, tested, and approved for use. Adaptive management would allow the park to assess the safety and effectiveness of herbicides considered for protecting Yosemite’s biodiversity. It would provide a framework for decision making and prioritization strategies that based upon the time tested paradigms of Adaptive and Integrated Pest Management. As an example, two herbicides, glyphosate and aminopyralid are currently used in the park. Following the 2009 Big Meadow Fire in Yosemite, the Interagency Fire Management Team recommended applying a pre-emergent herbicide that to prevent cheatgrass from overtaking the meadow after the late-season fire. Since this specific chemical was not considered and evaluated in the 2008 IPMP, the park was unable to use this new tool. Successful aspects of the IPMP, such as annual work plans, prioritization, minimum tool analysis, and education, and outreach, would continue to be implemented.
Additional goals could include:
Did You Know?
The indigenous people of Yosemite Valley have used fire as a tool for thousands of years. Fire was used to encourage the growth of plants used for basket making and to promote the growth of the black oak--a sun loving species--and a staple food source for American Indians from this region.