[dalke]

http://warnercnr.colostate.edu/ess-news-and-events/news-head... - "Conservationists Crying Wolf? New Study Shows Yellowstone’s Ecosystem Dynamics More Complex than Trophic Cascade"

"Our results contribute to a growing body of evidence showing that changes in growth of woody deciduous plants following the reintroduction of wolves cannot be explained by the trophic cascade model alone"