Robson Creek Rainforest Acoustic Recordings from Australian Wet Tropics

Encompassing audio files from a 25-hectare rainforest site in the Wet Tropics World Heritage Area of Australia, recorded for 12 hours daily around dawn and dusk. An acoustic recorder collected data starting in 2012, 140 meters from a flux tower, and sensors also captured temperature and sound pressure levels. Long-term spectrograms in PNG format are provided for each audio file to aid exploration.

Use Cases

• Analyze daily and seasonal patterns in dawn and dusk bird choruses using the 12-hour daily recording schedule.
• Correlate acoustic activity with environmental variables like temperature and mean sound pressure levels recorded by the sensors.
• Study long-term ecological changes in a complex mesophyll vine forest using spectrograms generated from audio files collected since 2012.
• Map species presence and acoustic biodiversity in a site containing 208 identified plant species and a 44-meter canopy.

Strengths

• Data collection began in 2012, providing a multi-year time series for longitudinal analysis.
• Recordings target biologically active periods, capturing 6 hours around dawn and 6 hours around dusk daily.
• Site is well-characterized with specific details: 25 hectares, 208 plant species, 44m canopy height, and 680-740m elevation.
• Supplementary sensor data includes temperature and sound pressure levels (min, max, mean) alongside audio.

Limitations

• The dataset consists of derived spectrogram images (PNG) and HTML pages, not the original raw audio files, limiting acoustic analysis methods.
• Sample data and specific file details like recording duration per file or total file count are unavailable.
• Geographic scope is limited to a single 25-hectare site in the Australian Wet Tropics.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery

Collection Method

Audio data collected by an acoustic recorder set up 140m north-east of a flux tower, recording for 12 hours per day split between dawn and dusk periods. Sensors recorded temperature and sound pressure levels.

Time Range

Data collection started in 2012; specific end date is not provided.

Freshness

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Geography

Robson Creek Rainforest SuperSite, a 25-hectare area on the Atherton Tablelands within Danbulla National Park, Wet Tropics World Heritage Area, Australia (680-740m elevation).