Biogeosciences
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Articles | Volume 21, issue 14
Articles | Volume 21, issue 14
https://doi.org/10.5194/bg-21-3401-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-3401-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 14
Research article
 | Highlight paper
 | 
24 Jul 2024
Research article | Highlight paper |  | 24 Jul 2024

Linking geomorphological processes and wildlife microhabitat selection: nesting birds select refuges generated by permafrost degradation in the Arctic

Madeleine-Zoé Corbeil-Robitaille, Éliane Duchesne, Daniel Fortier, Christophe Kinnard, and Joël Bêty

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Alahuhta, J., Toivanen, M., and Hjort, J.: Geodiversity–biodiversity relationship needs more empirical evidence, Nat. Ecol. Evol., 4, 2–3, https://doi.org/10.1038/s41559-019-1051-7, 2020. 
Bartoń, K.: MuMIn: Multi-Model Inference, R package version 1.47.5, https://CRAN.R-project.org/package=MuMIn (last access: 23 September 2023), 2020. 
Bates, D., Mächler, M., Bolker, B., and Walker, S.: Fitting Linear Mixed-Effects Models Using lme4, J. Stat. Softw., 67, 1–48, https://doi.org/10.18637/jss.v067.i01, 2015. 
Beardsell, A., Gravel, D., Berteaux, D., Gauthier, G., Clermont, J., Careau, V., Lecomte, N., Juhasz, C.-C., Royer-Boutin, P., and Bêty, J.: Derivation of Predator Functional Responses Using a Mechanistic Approach in a Natural System, Front. Ecol. Evol., 9, 1–12, https://doi.org/10.3389/fevo.2021.630944, 2021. 
Beardsell, A., Gravel, D., Clermont, J., Berteaux, D., Gauthier, G., and Bêty, J.: A mechanistic model of functional response provides new insights into indirect interactions among arctic tundra prey, Ecology, 103, e3734, https://doi.org/10.1002/ecy.3734, 2022. 
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This manuscript notes a previously unappreciated interaction between the geosphere and biosphere by quantifying how landforms created by environmental change alter the physical habitat in a way that some species can take advantage of to benefit their life cycle.
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In the Arctic tundra, climate change is transforming the landscape, and this may impact wildlife. We focus on three nesting bird species and the islets they select as refuges from their main predator, the Arctic fox. A geomorphological process, ice-wedge polygon degradation, was found to play a key role in creating these refuges. This process is likely to affect predator–prey dynamics in the Arctic tundra, highlighting the connections between nature's physical and ecological systems.
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