Science Advances

Supplementary Materials

This PDF file includes:

  • Supplementary Text
  • fig. S1. Average environmental conditions during the study period.
  • fig. S2. Relationships between changes in species abundance, PDSI, temperature, and total tree basal area.
  • fig. S3. Box plots of functional trait values for species that experienced different longitudinal shifts (E0, nonsignificantly eastward; E1, significantly eastward; W0, nonsignificantly westward; W1, significantly westward).
  • fig. S4. Box plots of latitudinal and longitudinal stem density shifts by physiological trait groups.
  • fig. S5. Box plots of functional trait values for species that experienced different latitudinal shifts (N0, nonsignificantly northward; N1, significantly northward; S0, nonsignificantly southward; S1, significantly southward).
  • fig. S6. Box plots of latitudinal and longitudinal stem density shifts by dispersal trait groups.
  • fig. S7. Latitudinal species abundance shift mapped on a phylogram representing evolutionary relationships among the 86 study species.
  • table S1A. Summary of shift percentage and distance by directions.
  • table S1B. Shift of species abundance for all trees during the last three decades.
  • table S1C. Shift of species abundance for sapling-sized trees during the last three decades.
  • table S1D. Shift of species abundance for adult trees during the last three decades.
  • table S2. Linear mixed-effect model parameter estimates and significance for the relationships between species relative density change and changes in environmental variables and successional processes.
  • table S3. Description of functional traits used in the analysis.
  • table S4. Years during which the first inventory (T1) and second inventory (T2) were completed for each state.
  • table S5. Species used in the study and their sample sizes and their mean density at the first and second inventories.

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