Researcher Caroline Greiser (IMAGE) Stockholm University Caption Caroline Greiser, leading author of the study, in the boreal forest in Sweden, where she also studies forest microclimate with the help of small temperature and soil moisture loggers. Photo: Andreas Olsson Credit Andreas Olsson Usage Restrictions No 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.