Long-term N-addition alters the community structure of functionally important N-cycling soil microorganisms across global grasslands

Beat Frey; Barbara Moser; Bjorn Tytgat; Stephan Zimmermann; Juan Alberti; Lori A. Biederman; Elizabeth T. Borer; Arthur A.D. Broadbent; Maria C. Caldeira; Kendi F. Davies; Nico Eisenhauer; Anu Eskelinen; Philip A. Fay; Frank Hagedorn; Yann Hautier; Andrew S. MacDougall; Rebecca L. McCulley; Joslin L. Moore; Maximilian Nepel; Sally A. Power; Eric W. Seabloom; Eduardo Vázquez; Risto Virtanen; Laura Yahdjian; Anita C. Risch