TY - RPRT TI - What do satellite vegetation indices actually measure? Photosynthetic capacity rather than transient physiological function across 328 global FLUXNET sites AU - Zhang, Y. AU - Ma, X. AU - Luo, K. AU - Liu, X. AU - Cao, C. PY - 2026 DO - 10.64898/2026.08.21.746123 UR - https://www.biorxiv.org/content/10.64898/2026.08.21.746123v1 ID - 10.64898/2026.08.21.746123 ER -