M Paniw
Higher temperature extremes exacerbate negative disease effects in a social mammal
Paniw, M; Duncan, C; Groenewoud, F; Drewe, JA; Manser, M; Ozgul, A; Clutton-Brock, T
Authors
C Duncan
F Groenewoud
JA Drewe
M Manser
A Ozgul
T Clutton-Brock
Abstract
One important but understudied way in which climate change may impact the fitness of individuals and populations is by altering the prevalence of infectious disease outbreaks. This is especially true in social species where endemic diseases are widespread. Here we use 22 years of demographic data from wild meerkats (Suricata suricatta) in the Kalahari, where temperatures have risen steadily, to project group persistence under interactions between weather extremes and fatal tuberculosis outbreaks caused by infection with Mycobacterium suricattae. We show that higher temperature extremes increase the risk of outbreaks within groups by increasing physiological stress as well as the dispersal of males, which are important carriers of tuberculosis. Explicitly accounting for negative effects of tuberculosis outbreaks on survival and reproduction in groups more than doubles group extinction risk in 12 years under projected temperature increases. Synergistic climate-disease effects on demographic rates may therefore rapidly intensify climate-change impacts in natural populations. Using 22 years of demographic data from wild meekats in the Kalahari, the authors project group persistence in the context of weather extremes and outbreaks of end-stage tuberculosis. They find that synergistic climate-disease effects on key demographic rates may exacerbate future disease impacts.
Citation
Paniw, M., Duncan, C., Groenewoud, F., Drewe, J., Manser, M., Ozgul, A., & Clutton-Brock, T. (2022). Higher temperature extremes exacerbate negative disease effects in a social mammal. Nature Climate Change, https://doi.org/10.1038/s41558-022-01284-x
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 6, 2022 |
Publication Date | Jan 7, 2022 |
Deposit Date | Feb 22, 2022 |
Print ISSN | 1758-678X |
Publisher | Nature Research |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1038/s41558-022-01284-x |
Keywords | MYCOBACTERIUM-BOVIS INFECTION; CLIMATE-CHANGE; DENSITY-DEPENDENCE; GROUP-DYNAMICS; TUBERCULOSIS; REPRODUCTION; PERSISTENCE; MORTALITY; FUTURE; TRANSMISSION |
Public URL | https://rvc-repository.worktribe.com/output/1557528 |
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