2009 Pesek Colloquium: Shahid Naeem, The Environmental Significance of Biodiversity Shahid Naeem, professor and chair of Columbia University's Department of Ecology, Evolution and Environmental Biology, spoke about the consquences of biodiversity loss. The title of his lecture was "The environmental significance of biodiversity in managed and unmananged ecosystems: From China, to Sub-Saharan Africa, the Great Plains, and Iowa."
Download the audio from his lecture at http://www.lectures.iastate.edu/lecture/18915.
Learn more about the Pesek Colloquium on Sustainable Agriculture