Volume 19, Issue 10, Pages R390-R392 (May 2009) Tangled banks Nigel Williams Current Biology Volume 19, Issue 10, Pages R390-R392 (May 2009) DOI: 10.1016/j.cub.2009.05.004 Copyright © 2009 Terms and Conditions
Collapse: The decline in sea otters in south-east Alaska has led to a shift from kelp forests to sea urchin barrens. (Picture: Photolibrary/Bruce and Jan Lichtenberger.) Current Biology 2009 19, R390-R392DOI: (10.1016/j.cub.2009.05.004) Copyright © 2009 Terms and Conditions
Interactions: The Serengeti national park represents a complex food web increasingly threatened by human activity around its boundaries. (Picture: Photolibrary.) Current Biology 2009 19, R390-R392DOI: (10.1016/j.cub.2009.05.004) Copyright © 2009 Terms and Conditions