AUTHOR=Shelef Oren , Hahn Philip G. , Pineda Ana , Tejesvi Mysore V. , Martinez-Medina Ainhoa TITLE=Editorial: As Above So Below? Progress in Understanding the Role of Belowground Interactions in Ecological Processes JOURNAL=Frontiers in Ecology and Evolution VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/ecology-and-evolution/articles/10.3389/fevo.2019.00318 DOI=10.3389/fevo.2019.00318 ISSN=2296-701X