LBA-ECO CD-11: Biophysical Measurements of Logged and Fire-Treated Amazon Forests

LBA-ECO CD-11 provides detailed tree measurements from three sites in the Brazilian Amazon between 2001 and 2003. Its ten files contain data on tree height, diameter at breast height, and decomposition classes across plots subjected to different logging and fire treatments, including primary forest controls. This dataset uniquely captures forest structure and regeneration across multiple tree size classes, from large trees to saplings and stumps.

Use Cases

• Modeling forest biomass and carbon stocks based on tree height and DBH measurements.
• Assessing the impact of different logging and fire treatments on forest structure and regeneration.
• Comparing decomposition rates of dead standing trees using the three defined decay classes.
• Studying post-disturbance recovery by analyzing regeneration in the 0-10 cm DBH size classes.

Strengths

• Includes detailed measurements across five distinct tree size classes, from large trees (>30 cm DBH) to regeneration (0-2 cm DBH).
• Provides data from controlled experimental plots representing different logging and fire treatments alongside primary forest controls.
• Captures standing dead trees, classified into three decomposition classes, offering insights into carbon cycling.

Limitations

• Column names and exact data structure are not specified in the provided metadata, complicating initial analysis.
• Conflicting last-updated dates exist between platforms (2003 vs. 2026), creating uncertainty about data currency.
• The license is listed as 'other-license-specified' without further detail, requiring clarification for reuse.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Vegetation field surveys conducted at defined plots and transects within three study sites.

Time Range

2001-2003

Freshness

Last updated dates conflict: one source lists 2003-09-01, another lists 2026-04-10.

Geography

Three sites in Brazil: Santarem, Para; Paragominas, Para; and Alo Brasil, Mato Grosso.