AUTHOR=Bean Alycia R. , Coffin Alisa W. , Arthur Dan K. , Baffaut Claire , Holifield Collins Chandra , Goslee Sarah C. , Ponce-Campos Guillermo E. , Sclater Vivienne L. , Strickland Timothy C. , Yasarer Lindsey M. TITLE=Regional Frameworks for the USDA Long-Term Agroecosystem Research Network JOURNAL=Frontiers in Sustainable Food Systems VOLUME=4 YEAR=2021 URL=https://www.frontiersin.org/journals/sustainable-food-systems/articles/10.3389/fsufs.2020.612785 DOI=10.3389/fsufs.2020.612785 ISSN=2571-581X