MATRIX Plot-level dataset

ColumnDescriptionUnits / FormatPlotIDUnique identifier for each forest inventory plot.StringLATPlot latitude (mean across trees, rounded to 1 decimal).Decimal degreesLONPlot longitude (mean across trees, rounded to 1 decimal).Decimal degreesBPlot-level basal area (Σ π·DBH²/4 · TPH).m²/haNTotal stems per hectare with DBH ≥ 0.trees/haS1Shannon index of DBH-class distribution.DimensionlessS2Simpson index of DBH-class distribution.DimensionlessD1–D11Abundance (TPH) in DBH classes: 10–15, 15–20, …, 55–60, ≥70 cm.trees/haDBH class mappingD1: 10–15 cm; D2: 15–20; D3: 20–25; D4: 25–30; D5: 30–35;D6: 35–40; D7: 40–45; D8: 45–50; D9: 50–55; D10: 55–60; D11: ≥70.Processing & privacyCoordinates are rounded to 0.1° to protect contributor confidentiality.Resulting table contains cleaned, privacy-protected plot-level attributes used in GFI-4D.Access & useProprietary and confidential. Any use of this dataset requires prior approval through Science-i by creating a new research project: https://science-i.org/For inquiries and coordination, contact Jingjing Liang — [e-mail].