image: A classic savanna in Kruger National Park, South Africa, characterized by low tree cover, a continuous grassland, and frequent fires. This image relates to the paper by Dr. Staver and colleagues. This image relates to a paper that appeared in the Oct. 14, 2011, issue of Science, published by AAAS. The paper, by Dr. A. Carla Staver of Princeton University in Princeton, N.J., and colleagues, was titled, "The Global Extent and Determinants of Savanna and Forest as Alternative Biome States." view more
Credit: Photo by Carla Staver