Alice Mulga Acoustic Data Collection - 2013 - 2019 

This dataset contains audio files for Alice Mulga SuperSite from 2013-2019. New sensors were installed at different locations in September 2025, which due to the long data gap and the different location have been assigned to a new collection that will be updated regularly. The Alice Mulga SuperSite was established in 2010 at Pine Hill Cattle Station with research plots located in low open woodland mulga (Acacia aneura) and non-acacia, hummock grassland, and river red gum forest. The core 1 ha plot is located in a dense mulga woodland (cover 70–80%). For additional site information, see Alice Mulga SuperSite
In 2013 an acoustic recorder was set up in mulga woodland to collect audio data for a total of 12 hours per day, split between six hours around dawn and six hours around dusk. The recording schedule aimed at capturing morning and evening bird choruses while minimizing memory and battery requirements. A long-term spectrogram has been generated for each audio file to aid in data exploration. The sensor also recorded temperature, minimum- maximum- and mean-sound pressure levels.
Acoustic indices and false colour spectrograms were created for the recordings. Acoustic indices are summaries of the distribution of the acoustic energy in a recording. They are particularly useful for the analysis of long-term recordings of the environment and can be used to identify sound sources of interest, characterise the soundscape, aid in the assessment of fauna biodiversity, monitor temporal trends and track environmental changes. False colour spectrograms are visual representation of individual acoustic indices or combination of multiple indices. They can highlight the presence of specific sound sources, e.g. birds, insects or weather events, providing a tool for navigating long-term recordings.
Data are made available through the data link. For downloading large amount of data, please follow these instructions How to download TERN's acoustic data in bulk
 

We at TERN acknowledge the Traditional Owners and Custodians throughout Australia, New Zealand and all nations. We honour their profound connections to land, water, biodiversity and culture and pay our respects to their Elders past, present and emerging.

The Alice Springs Mulga SuperSite is managed by the University of Technology Sydney (UTS) and is funded by the Terrestrial Ecosystem Research Network (TERN), an Australian Government National Collaborative Research Infrastructure Strategy (NCRIS) project. The site was managed by UTS from 2012-2019, James Cook University from 2019-2023, and UTS from 2024 onwards.
 

Long-term acoustic recordings are collected to characterise the acoustic sources in the ecosystem. Recordings can be used to estimate biodiversity, monitor temporal changes in the soundscape, compare the acoustic characteristics of different locations, and assess the effect of particular events such as bushfires and floods. 

Data not provided.