risk reduction graph (IMAGE) Stanford University Caption Researchers found that low-intensity fires reduced risk of high-intensity fires in conifer forests by about 60%. The reduction benefits are estimated to last about six years. Credit Wu, et al. / Science Advances Usage Restrictions Credit must be given to the creator. License CC BY 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.