Bison grazing (IMAGE) University of Colorado at Boulder Caption Figure 3B: Bison grazing in Konza prairie, Kansas, where fire is needed to suppress woody encroachment. Credit Barbara van Horn / Reprinted with permission from Suding et al., Science 377:594 (2022). Usage Restrictions Credit must be given License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.