Tropical Forest Litterfall and Climate Measurements: Atherton, Australia, 1974-1985

NPP Tropical Forest: Atherton, Australia, 1974-1985, R1 contains eight text files of field measurements from three sub-sites in Queensland's tropical rainforests. The data includes annual litterfall, standing litter biomass, leaf decomposition rates, nutrient concentrations, precipitation, and temperature, collected at intervals from weekly to quarterly. Total litterfall averaged 905, 987, and 1,103 g/m2/year across the Wongabel, Gadgarra, and Tableland sites, providing minimum above-ground net primary productivity estimates for this region.

Use Cases

• Modeling net primary productivity (NPP) based on measured litterfall accumulation rates.
• Analyzing seasonal and interannual variation in forest productivity using weekly/bi-weekly time-series data.
• Studying nutrient cycling and decomposition through trace element and leaf decomposition rate measurements.
• Correlating forest productivity with local climate conditions using co-located precipitation and temperature data.
• Benchmarking above-ground NPP estimates for tropical forests south of the Equator against the provided site averages.

Strengths

• Provides detailed, multi-year time-series measurements with weekly to quarterly sampling intervals across three distinct sites.
• Includes directly measured, site-specific litterfall averages (905, 987, 1103 g/m2/year) for NPP estimation.
• Data files have been checked for accuracy and are identical to the original 2001 publication, ensuring consistency.
• Combines biological NPP component data with supporting climate (precipitation, temperature) measurements.

Limitations

• Column names and exact data structure are unknown, complicating direct analysis.
• The dataset's last update date conflicts across sources (2000-01-01 on nasa_earthdata vs. 2026-04-09 on datagov), with only documentation reportedly modified.
• Spatial coverage is limited to three specific sub-sites in a single region of Australia.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Field measurements of litterfall accumulation, standing litter biomass, leaf decomposition, nutrient concentrations, precipitation, and temperature at study sites and nearby weather stations.

Time Range

1974-1985

Freshness

2026-04-09 23:37:33.337924

Geography

Three tropical rainforest sub-sites near Atherton, Queensland, northeast Australia (Wongabel: 17.32 S 145.50 E; Gadgarra: 17.30 S 145.72 E; Tableland: 17.28 S 145.57 E).