Acoustic monitoring data from woodland, grassland and rewilding sites in Scotland and England, 2021-2022

https://doi.org/10.5285/33b6dea2-94c5-4e33-a1b3-9a6bd1c8776a

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This dataset is available under the terms of the Open Government Licence

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This data gives acoustic index values for recordings collected in 60 broadleaved woodland restoration sites in Central Scotland (n=30) and the English Midlands (n=30), as well as 18 grassland sites in southern England. Additionally, there are recordings from 6 wildcard sites, made up of ancient woodlands (2 in Scotland and 2 in England) and rewilding sites (2 in England). There were three deployments of acoustic recorders between July 2021 and April 2022.

Publication date: 2025-07-21

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More information

View numbers valid from 21 July 2025 Download numbers valid from 21 July 2025 (information prior to this was not collected)

Format

Comma-separated values (CSV)

Spatial information

Study area

Spatial representation type

Raster

Spatial reference system

OSGB 1936 / British National Grid

Temporal information

Temporal extent

2021-07-01 to 2022-04-30

Provenance & quality

At each site, AudioMoth acoustic recorders were deployed for one week per deployment. The 30 woodlands in Scotland were surveyed in a first deployment between July and August 2021, and a second deployment in September 2021. All 84 sites across Scotland and England were surveyed in the third deployment in April 2021.
The same settings were used for each deployment; a sample rate of 48kHz was used, and AudioMoths recorded for 9 minutes and 55 seconds, then slept for 5 seconds, allowing nearly continuous recording throughout the week-long deployment.
The recordings were then analysed using R to calculate the following acoustic indices in the packages seewave and soundecology.
• Acoustic complexity index (ACI)
• Acoustic diversity index (ADI)
• Acoustic Evenness (AEve)
• Bioacoustic Index (Bio)
• Frequency Peaks (FP)
• Temporal Entropy (Ht)
• Spectral Entropy (Hf)
• Total Entropy (H)
• Median of the Amplitude Envelope (M)
• Normalised Difference Soundscape Index (NDSI)
Additionally, Acoustic Richness (AR) was calculated, using the Ht and M indices.

Licensing and constraints

This dataset is available under the terms of the Open Government Licence

Cite this dataset as:

Barnett, R.; Waddell, E.; Fuentes-Montemayor, E.; Watts, K.; Guy, M.; Park, K.J. (2025). Acoustic monitoring data from woodland, grassland and rewilding sites in Scotland and England, 2021-2022. NERC EDS Environmental Information Data Centre. https://doi.org/10.5285/33b6dea2-94c5-4e33-a1b3-9a6bd1c8776a

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