image: Image of a lioness and her three cubs in Serengeti. This image relates to an article that appeared in the November 24, 2006, issue of the journal Science, published by AAAS. The study, by Dr. Ray Hilborn of the University of Washington and colleagues, was titled "Effective Enforcement in a Conservation Area." view more
Credit: Photo provided by Sian Brown-TAWIRI- Messerli Foundation, via <i>Science</i>-AAAS.