The next Yosemite Forum will be held in the Yosemite Valley Visitor Center Auditorium on Tuesday, March 10, from 3:30 to 4:30 pm (Note later time slot!) for the next Yosemite Forum, titled: "Ginormous Trees have Big Effects: The Influence of Giant Sequoia on Soils". The Forum will be presented by Stephen Hart, University of California, Merced.