Comparing temperature data sources for use in species distribution models: From in-situ logging to remote sensing

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Authors

  • Jonas J. Lembrechts
  • Jonathan Lenoir
  • Nina Roth
  • Tarek Hattab
  • Ann Milbau
  • Sylvia Haider
  • Loïc Pellissier
  • Aníbal Pauchard
  • Amanda Ratier Backes
  • Romina D. Dimarco
  • Martin A. Nuñez
  • Juha Aalto
  • Ivan Nijs
Aim:
Although species distribution models (SDMs) traditionally link species occurrences to free-air temperature data at coarse spatio-temporal resolution, the distribution of organisms might instead be driven by temperatures more proximal to their habitats. Several solutions are currently available, such as downscaled or interpolated coarse-grained free-air temperatures, satellite-measured land surface temperatures (LST) or in-situ-measured soil temperatures. A comprehensive comparison of temperature data sources and their performance in SDMs is, however, currently lacking.

Location:
Northern Scandinavia.

Time period:
1970–2017.

Major taxa studied:
Higher plants.

Methods:
We evaluated different sources of temperature data (WorldClim, CHELSA, MODIS, E-OBS, topoclimate and soil temperature from miniature data loggers), differing in spatial resolution (from 1″ to 0.1°), measurement focus (free-air, ground-surface or soil temperature) and temporal extent (year-long versus long-term averages), and used them to fit SDMs for 50 plant species with different growth forms in a high-latitudinal mountain region.

Results:
Differences between these temperature data sources originating from measurement focus and temporal extent overshadow the effects of temporal climatic differences and spatio-temporal resolution, with elevational lapse rates ranging from −0.6°C per 100 m for long-term free-air temperature data to −0.2°C per 100 m for in-situ soil temperatures. Most importantly, we found that the performance of the temperature data in SDMs depended on the growth forms of species. The use of in-situ soil temperatures improved the explanatory power of our SDMs (R2 on average +16%), especially for forbs and graminoids (R2 +24 and +21% on average, respectively) compared with the other data sources.

Main conclusions:
We suggest that future studies using SDMs should use the temperature dataset that best reflects the ecology of the species, rather than automatically using coarse-grained data from WorldClim or CHELSA.
OriginalspracheEnglisch
ZeitschriftGlobal Ecology and Biogeography
Jahrgang28
Ausgabenummer11
Seiten (von - bis)1578-1596
Anzahl der Seiten19
ISSN1466-822X
DOIs
PublikationsstatusErschienen - 22.07.2019
Extern publiziertJa

Bibliographische Notiz

Publisher Copyright:
© 2019 John Wiley & Sons Ltd

    Fachgebiete

  • Biologie - bioclimatic envelope modelling, bioclimatic variables, climate change, growth forms, land surface temperature, microclimate, mountains, soil temperature, species distribution modelling

DOI

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