What information can acoustic data provide for peatland conservation?

Lucas Voirin1,2, André Desrochers1, Marc J. Mazerolle1,2

1Département des sciences du bois et de la forêt, Faculté de foresterie, géographie et géomatique, Université Laval, Québec
2Centre d’étude de la forêt

Monitoring
wildlife

Why?

Population trends

Habitat use

Limits of traditional methods

Time

Cost

Bias

Invasiveness

Possibilities of acoustic methods

Song Meter 4 (Wildlife Acoustics)

AudioMoth (Open Acoustics Devices)

Objectives




  • Passive Acoustic Monitoring





→




  • Population trends

  • Habitat use

Sampling
design

Fine scale recorder array



Fine scale recorder array

Mennill et al. (2012)

Fig. 3

Large scale recorder array



Large scale recorder array



Wood et al. (2019)

A lot of
data…

…but what kind of data?

© Bryan Calk, Macaulay Library ML 136429501

…but what kind of data?

…but how to treat it?

https://github.com/kahst/BirdNET-Analyzer

…but how to analyse it?

Time Difference Of Arrival

(Fine scale)

Occupancy

(Large scale)

Conclusion

Uncertainties



  • Data

  • Algorithms

  • Interpretation












lucasvoirin.github.io

References

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Gibb, Rory, Ella Browning, Paul Glover-Kapfer, and Kate E. Jones. 2019. “Emerging Opportunities and Challenges for Passive Acoustics in Ecological Assessment and Monitoring.” Methods in Ecology and Evolution 10 (2): 169–85. https://doi.org/10.1111/2041-210X.13101.
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