Loading metrics Open Access Peer-reviewed Research Article Citation: Nichols RN, Begg GS, Cantú-Salazar L, Holland JM, Martin Y, Tzilivakis J, et al. (2026) A standardised protocol for measuring farmland biodiversity outcomes across European Farmer Cluster landscapes. PLoS One 21(3): e0345691. https://doi.org/10.1371/journal.pone.0345691 Editor: RunGuo Zang, Chinese Academy of Forestry, CHINA Received: July 4, 2025; Accepted: March 9, 2026; Published: March 25, 2026 Copyright: © 2026 Nichols et al.