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Tree-ring data matched long-term plantation growth patterns

A close-up overhead view of a freshly cut tree stump showing concentric tree rings in the wood, with a black measuring line or scale overlaid across the rings.
Research area:ForestryDendrochronologyForest ecology and management

What the study found

Tree-ring data from Retrophyllum rospigliosii matched growth patterns observed in long-term plantation monitoring. The fitted growth model reproduced diameter and biomass trajectories that were consistent with measurements from permanent sample plots.

What the authors say this matters
The authors conclude that tree-ring data can serve as a retrospective complement to ongoing permanent sample plot monitoring. The study suggests this approach may help address temporal gaps in forest monitoring.

What the researchers tested

The researchers combined two datasets from a Retrophyllum rospigliosii plantation in the Colombian Andes: a 20-year record from 30 permanent sample plots and tree-ring-width series from 16 trees spanning the plantation's diameter classes. They used the von Bertalanffy growth model to simulate individual tree diameter and biomass trajectories and compared the simulated variability with plot measurements over time.

What worked and what didn't

The simulated tree-level diameter and biomass growth trajectories showed variability patterns consistent with the permanent sample plot data. The 95% confidence intervals of the plot observations generally overlapped with those of the simulated curves, indicating that the fitted model captured the observed variability well.

What to keep in mind

The abstract does not describe major limitations beyond the fact that the study applies to this plantation and species. It is based on one plantation established in 1999 and on a specific combination of plot data and tree-ring data.

Key points

  • Tree-ring data from Retrophyllum rospigliosii reproduced growth patterns seen in long-term plot monitoring.
  • The study combined a 20-year record from 30 permanent sample plots with tree-ring-width series from 16 trees.
  • The von Bertalanffy growth model generated diameter and biomass trajectories consistent with plot observations.
  • The 95% confidence intervals of observed and simulated values generally overlapped.
  • The authors say tree-ring data may help fill temporal gaps in forest monitoring.

Disclosure

Research title:
Tree-ring data matched long-term plantation growth patterns
Authors:
Camilo E. Martínez, Jorge A. Ramírez, Milton J. Escobar, Adriana M. Marín Velez, Jorge A. Giraldo, Sergio A. Orrego
Institutions:
Universidad Nacional de Colombia, University of Cauca, Departamento Nacional de Planeación, Antioquia Institute of Technology
Publication date:
2026-04-05
DOI:
10.1016/j.dendro.2026.126525
OpenAlex record:
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AI provenance: This post was generated by OpenAI. The original authors did not write or review this post.

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