LBA-ECO ND-08: Soil Respiration and Fractions in Brazilian Forest

LBA-ECO ND-08 provides carbon and nitrogen concentration measurements for two soil aggregate fractions (53-250 micron micro-aggregates and 250-2000 micron small macro-aggregates) from a Eucalyptus plantation and adjacent primary forest in Pará, Brazil. The dataset also includes in situ soil respiration measurements collected between January and March 2003. Soils for fractionation were sampled in July 2001 from depths of 0-20 cm and 30-50 cm on the property of Jari Celulose.

Use Cases

• Comparing soil carbon and nitrogen storage between micro-aggregates and small macro-aggregates.
• Analyzing soil respiration rates in sand and clay soils under different vegetation covers.
• Investigating the impact of Eucalyptus plantation establishment on soil organic matter fractions relative to primary forest.
• Modeling carbon turnover and sequestration potential in Amazonian soils based on aggregate-protected carbon pools.

Strengths

• Provides paired measurements of soil aggregate chemistry and in-situ respiration, enabling process linkage.
• Samples from two distinct soil depths (0-20 cm, 30-50 cm) and two land-use types (plantation, primary forest).
• Hosted on multiple authoritative platforms (NASA Earthdata, Data.gov), indicating scientific validation.

Limitations

• Key metadata conflicts: last_updated dates differ significantly (2003 vs. 2026) across sources, and column names are not provided.
• Spatial coverage is limited to a single research site (Jari Celulose property, Monte Dourado, Pará).
• Temporal coverage for respiration data is narrow (3 months in 2003), and soil samples are from a single month (July 2001).

Provenance

Source

National Aeronautics and Space Administration (NASA).

Collection Method

Field sampling and laboratory fractionation and analysis.

Time Range

Soil sampling: July 2001. Respiration measurements: January-March 2003.

Freshness

Last updated dates conflict: Data.gov lists 2026-04-10, while NASA Earthdata lists 2003-03-31.

Geography

Property of Jari Celulose, Monte Dourado, Pará, Brazil.