Sándor Bartha (0000-0001-6331-7521) is a senior researcher at the Institute of Ecology and Botany, Centre for Ecological Research, Vácrátót, Hungary. His work focuses on grassland community ecology but he is also interested in functional ecology, primary and secondary succession, climate change experiments, and long-term monitoring (repeated mapping) of fine-scale spatial patterns in grasslands. Using spatially explicit individual-based models and spatial statistics, he links observed spatiotemporal data with theory. He has more than 90 publications in peer-reviewed journals.