The Lenfest Trophic Cascades Project

OVERVIEW

Ninety percent of large ocean fish such as sharks and tuna have been lost since the onset of industrial fishing in the 1950s. This project examines the global implications for marine ecosystems of the loss of top predators.

Publications and Reports:

PUBLISHED PAPERS

Baum, J. K. and B. Worm. 2009. Cascading top-down effects of changing oceanic predator abundances. Journal of Animal Ecology 78(4): 699-714.

Journal of Animal Ecology paper

July, 2009

Heithaus, M.R., A. Frid, A.J. Wirsing and B. Worm. 2008. Predicting ecological consequences of marine top predator declines. Trends in Ecology and Evolution 4:202-210.

Trends in Ecology and Evolution paper

April, 2008

Recent Work