AUTHOR=Mendoza-Lera Clara , Catalán Núria , Lupon Anna TITLE=Editorial: Watershed and Stream: The Inseparable Functional/Biogeochemical Unit JOURNAL=Frontiers in Water VOLUME=3 YEAR=2021 URL=https://www.frontiersin.org/journals/water/articles/10.3389/frwa.2021.801389 DOI=10.3389/frwa.2021.801389 ISSN=2624-9375