Integrating water balance mechanisms into predictions of insect responses to climate change.
| Autor: | Sinclair BJ; Department of Biology, Western University, London, ON, CanadaN6A 5B7., Saruhashi S; Department of Biology, Western University, London, ON, CanadaN6A 5B7., Terblanche JS; Department of Conservation Ecology & Entomology, Faculty of AgriSciences, Stellenbosch University, Matieland 7602, South Africa. |
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| Jazyk: | angličtina |
| Zdroj: | The Journal of experimental biology [J Exp Biol] 2024 May 15; Vol. 227 (10). Date of Electronic Publication: 2024 May 23. |
| DOI: | 10.1242/jeb.247167 |
| Abstrakt: | Efficient water balance is key to insect success. However, the hygric environment is changing with climate change; although there are compelling models of thermal vulnerability, water balance is often neglected in predictions. Insects survive desiccating conditions by reducing water loss, increasing their total amount of water (and replenishing it) and increasing their tolerance of dehydration. The physiology underlying these traits is reasonably well understood, as are the sources of variation and phenotypic plasticity. However, water balance and thermal tolerance intersect at high temperatures, such that mortality is sometimes determined by dehydration, rather than heat (especially during long exposures in dry conditions). Furthermore, water balance and thermal tolerance sometimes interact to determine survival. In this Commentary, we propose identifying a threshold where the cause of mortality shifts between dehydration and temperature, and that it should be possible to predict this threshold from trait measurements (and perhaps eventually a priori from physiological or -omic markers). Competing Interests: Competing interests The authors declare no competing or financial interests. J.S.T. and B.J.S. are on the Editorial Board of Journal of Experimental Biology but were not involved in the handling or reviewing of the paper in any way and had no access to review information or decisions. All referee reports were anonymous, and identity protected, unless the referees wished to be identified. (© 2024. Published by The Company of Biologists Ltd.) |
| Databáze: | MEDLINE |
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