- AKA| Resistance evolution under multiple attack ,EC| RESISTANCEMikko Jalo;
Fletcher W. Halliday; Fletcher W. Halliday
Harvested from ORCID Public Data FileFletcher W. Halliday in OpenAIRE
Anna-Liisa Laine; Anna-Liisa Laine;Anna-Liisa Laine
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAnna-Liisa Laine in OpenAIREQuantifying the relative impact of environmental conditions and host community structure on disease is one of the greatest challenges of the 21st century, as both climate and biodiversity are changing at unprecedented rates. Both increasing temperature and shifting host communities toward more fast-paced life-history strategies are predicted to increase disease, yet their independent and interactive effects on disease in natural communities remain unknown. Here, we address this challenge by surveying foliar disease symptoms in 220, 0.5 m-diameter herbaceous plant communities along a 1100-m elevational gradient. We find that increasing temperature associated with lower elevation can increase disease by (1) relaxing constraints on parasite growth and reproduction, (2) determining which host species are present in a given location, and (3) strengthening the positive effect of host community pace-of-life on disease. These results provide the first field evidence, under natural conditions, that environmental gradients can alter how host community structure affects disease.
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