Monday, November 1, 2010

Yosemite Nature Notes: Glaciers

The newest installment of Yosemite Nature Notes by Steve Bumgardner is now on YouTube. This latest episode focuses on the Maclure and Lyell glaciers, which form the headwaters of the Tuolumne River, and features Greg Stock (Park Geologist with Yosemite National Park), Pete Devine (Naturalist at the Yosemite Conservancy), and mountain guide Josh Helling.

Thursday, October 21, 2010

New species found in Yosemite National Park

A new species of pseudoscorpion has been discovered in the talus slopes of Yosemite National Park. Read more from Yosemite's Resources Management and Science Division.

Wednesday, October 13, 2010

Fall stakeholder group meeting

The next meeting of the Upper Tuolumne River Stakeholder Group is set for October 22, 2010, 11am - 3pm at the Moccasin Administration Building (map).

Rain and snow fall this year provided significant amounts of water enabling a number of field experiments to test high flow geomorphic, hydrologic, and ecological thresholds. This work, combined with the substantial work conducted by Yosemite National Park scientists in Poopenaut Valley, has generated a large amount of data that is currently being analyzed and incorporated into draft flow recommendations for O'Shaughnessy Dam.

At the stakeholder meeting, the SFPUC and Yosemite National Park will provide an update regarding new information generated by the 2010 studies, present an overview of the draft flow recommendations, and provide a revised schedule for distributing the draft UTREP study report.

If you plan to attend the Stakeholder Group meeting, please email Jen Vick at

Thursday, October 7, 2010

Behind the Scenes: Yosemite Nature Notes

Steve Bumgardner posted some "behind the scenes" video of his recent trek to Lyell Glacier with Greg Stock (Yosemite National Park geologist) and crew. The Lyell and Maclure glaciers form the glacial headwaters of the Tuolumne River and will be featured in an upcoming episode of Yosemite Nature Notes.

Tuesday, October 5, 2010

Yosemite Hydroclimate Conference

Yosemite National Park will host the annual Yosemite Hydroclimate Conference on October 7-8, 2010 at Yosemite Lodge. The conference is open to the public and features a variety of speakers and topics relevant to management of the park. Download the schedule here.

Monday, October 4, 2010

Sierra Nevada yellow-legged frog research

The New York Times published a story on San Francisco State University researcher Vance Vredenburg and his work with the Sierra Nevada yellow-legged frog (Rana sierrae). Read the article in the New York Times (registration may be required).