Latest Oak savanna Stories

Last of the oak savannas survives at NSF Cedar Creek Long-Term Ecological Research site Grasses bend in the wind, their golden tips tracing arcs across fields that stretch toward the horizon. Sunwashed by a fading evening light, these reedy ballet dancers are central figures in savanna, an ecosystem that covers some 20 percent of Earth's land area. The largest savanna--or grassland with widely spaced trees--is in Africa. But the American Midwest is half a planet away from the...