Peter Arcese's amazing lecture on the Indirect Effects of Humans on Native Species and Ecosystems. Worth watching every minute... If it doesn't show in your browser, view on YouTube at http://youtu.be/902lIFH1qIs
Speaker: Peter Arcese, University of British Columbia.
Peter Arcese is on the Forestry faculty at the University of British Columbia, where he researches the ecology and evolution of small populations, the indirect effects of humans on the ecology, and the evolution and conservation of bird, mammal and plant populations.