TY - RPRT TI - The Phylogenetic Structure of β-diversity: Covariance Matrix Sparsification of Critical Beta-splitting Trees AU - Svihla, S. P. AU - Lladser, M. E. PY - 2026 DO - 10.64898/2026.02.10.705081 UR - https://www.biorxiv.org/content/10.64898/2026.02.10.705081v1 ID - 10.64898/2026.02.10.705081 ER -