Warra Tall Eucalypt Forest Acoustic Recordings from 2012-2019

Aggregating audio files and derived acoustic indices from a tall Eucalyptus obliqua forest in Australia, recorded for 12 hours daily from 2012 until the sensor was destroyed by fire in 2019. The collection includes long-term spectrograms, false color spectrograms, and sensor data like temperature and sound pressure levels. Recordings were split between dawn and dusk periods to capture bird choruses.

Use Cases

• Analyze long-term acoustic indices to monitor environmental changes and track recovery after the 2019 fire event.
• Use false color spectrograms to identify and classify specific sound sources such as birds, insects, or weather events within the recordings.
• Correlate temperature and sound pressure level sensor data with acoustic activity patterns across dawn and dusk recording periods.
• Characterize the soundscape of a mixed-age Eucalyptus forest using spectral energy distribution summaries from the audio files.

Strengths

• Long-term temporal coverage from 2012 to 2019, capturing over 7 years of ecological audio data.
• Recordings are structured to capture specific biological events, with 12 hours of daily audio split between dawn and dusk bird choruses.
• Includes derived analytical products like acoustic indices and false color spectrograms to aid in data exploration and analysis.

Limitations

• The primary acoustic sensor was destroyed by fire in 2019, creating a hard stop in the time series and limiting post-fire recovery monitoring.
• Data availability and structure (e.g., specific file formats like HTML and PNG) may require specialized tools or processing for acoustic analysis.
• The description does not specify the total number of audio files or the raw data volume, making it difficult to assess the dataset's scale.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery

Collection Method

Audio data collected via an acoustic recorder set up at the Warra Tall Eucalypt SuperSite, with subsequent generation of acoustic indices and spectrograms.

Time Range

2012 to 2019

Freshness

Metadata was last updated in March 2026, but the underlying sensor data collection ended in 2019.

Geography

Warra Tall Eucalypt SuperSite, a stand of tall, mixed-aged Eucalyptus obliqua forest in Australia.