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Article Dans Une Revue Global Ecology and Biogeography Année : 2024

Proximal microclimate: Moving beyond spatiotemporal resolution improves ecological predictions

J. Alex Baecher
Ilya Maclean
Michael Ashcroft
Luke Evans
Michael Kearney
Isabel Barrio
Pieter de Frenne
Tommaso Jucker
Ivan Nijs
Josef Urban
Liesbeth van den Brink
Pieter Vangansbeke
Jonathan von Oppen
Jan Wild
Julia Boike
Rafaella Canessa
Marcelo Nosetto
Alexey Rubtsov
Jhonatan Sallo-Bravo
Brett Scheffers

Résumé

Aim The scale of environmental data is often defined by their extent (spatial area, temporal duration) and resolution (grain size, temporal interval). Although describing climate data scale via these terms is appropriate for most meteorological applications, for ecology and biogeography, climate data of the same spatiotemporal resolution and extent may differ in their relevance to an organism. Here, we propose that climate proximity, or how well climate data represent the actual conditions that an organism is exposed to, is more important for ecological realism than the spatiotemporal resolution of the climate data. Location Temperature comparison in nine countries across four continents; ecological case studies in Alberta (Canada), Sabah (Malaysia) and North Carolina/Tennessee (USA). Time Period 1960–2018. Major Taxa Studied Case studies with flies, mosquitoes and salamanders, but concepts relevant to all life on earth. Methods We compare the accuracy of two macroclimate data sources (ERA5 and WorldClim) and a novel microclimate model ( microclimf ) in predicting soil temperatures. We then use ERA5, WorldClim and microclimf to drive ecological models in three case studies: temporal (fly phenology), spatial (mosquito thermal suitability) and spatiotemporal (salamander range shifts) ecological responses. Results For predicting soil temperatures, microclimf had 24.9% and 16.4% lower absolute bias than ERA5 and WorldClim respectively. Across the case studies, we find that increasing proximity (from macroclimate to microclimate) yields a 247% improvement in performance of ecological models on average, compared to 18% and 9% improvements from increasing spatial resolution 20‐fold, and temporal resolution 30‐fold respectively. Main Conclusions We propose that increasing climate proximity, even if at the sacrifice of finer climate spatiotemporal resolution, may improve ecological predictions. We emphasize biophysically informed approaches, rather than generic formulations, when quantifying ecoclimatic relationships. Redefining the scale of climate through the lens of the organism itself helps reveal mechanisms underlying how climate shapes ecological systems.
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Dates et versions

hal-04630607 , version 1 (01-07-2024)

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David Klinges, J. Alex Baecher, Jonas Lembrechts, Ilya Maclean, Jonathan Lenoir, et al.. Proximal microclimate: Moving beyond spatiotemporal resolution improves ecological predictions. Global Ecology and Biogeography, 2024, ⟨10.1111/geb.13884⟩. ⟨hal-04630607⟩
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