Critical Loads of Atmospheric Nitrogen Deposition for Aquatic Ecosystems in Yosemite and Sequoia and Kings Canyon National Parks

Leora Nanus, San Francisco State University, Geography & Environment, San Francisco, CA, United States, David W Clow, USGS Central Region Offices Denver, Denver, CO, United States and James O Sickman, University of California, Riverside, Department of Environmental Sciences, Riverside, CA, United States