Basal resistance enhances warming tolerance of alien over indigenous species across latitude.

Autor: Janion-Scheepers C; School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia charlene.janionscheepers@monash.edu., Phillips L; School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia., Sgrò CM; School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia., Duffy GA; School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia., Hallas R; School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia., Chown SL; School of Biological Sciences, Monash University, Melbourne, VIC 3800, Australia.
Jazyk: angličtina
Zdroj: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2018 Jan 02; Vol. 115 (1), pp. 145-150. Date of Electronic Publication: 2017 Dec 18.
DOI: 10.1073/pnas.1715598115
Abstrakt: Soil systems are being increasingly exposed to the interactive effects of biological invasions and climate change, with rising temperatures expected to benefit alien over indigenous species. We assessed this expectation for an important soil-dwelling group, the springtails, by determining whether alien species show broader thermal tolerance limits and greater tolerance to climate warming than their indigenous counterparts. We found that, from the tropics to the sub-Antarctic, alien species have the broadest thermal tolerances and greatest tolerance to environmental warming. Both groups of species show little phenotypic plasticity or potential for evolutionary change in tolerance to high temperature. These trait differences between alien and indigenous species suggest that biological invasions will exacerbate the impacts of climate change on soil systems, with profound implications for terrestrial ecosystem functioning.
Competing Interests: The authors declare no conflict of interest.
(Copyright © 2017 the Author(s). Published by PNAS.)
Databáze: MEDLINE