Related Links

OSU Trophic Cascades Program
http://www.forestry.oregonstate.edu/aspen/

OSU Terra  multimedia
http://oregonstate.edu/terra/2007spring/features/alert.php?page=4

OSU: Bill Ripple's home page
http://www.forestry.oregonstate.edu/cof/fr/facultypages/ripple.php

Yellowstone National Park
http://www.nps.gov/yell/