期刊
NATURE COMMUNICATIONS
卷 9, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41467-018-03189-w
关键词
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资金
- National Science Foundation [EF-1241889, EAR-1646708, EAR-1360330]
- National Institutes of Health [R01TW010286, K01AI091864, R01GM109499, R01TW010286-01]
- US Department of Agriculture [NRI 2006-01370, 2009-35102-0543]
- US Environmental Protection Agency [CAREER 83518801]
- University of Florida Research Innovation Award
- Oakland University Research Excellence Fund award
- Dana and Delo Faculty Development Grants from the University of Tampa
- National Science Foundation (CNH grant) [1414102]
- Bill and Melinda Gates Foundation
- Stanford GDP SEED [1183573-100-GDPAO]
- SNAP-NCEAS working group Ecological levers for health: Advancing a priority agenda for Disease Ecology and Planetary Health in the 21st century
- NIMBioS-working group on the Optimal Control of Environmentally Transmitted Disease
- Direct For Social, Behav & Economic Scie [1414102] Funding Source: National Science Foundation
- Division Of Behavioral and Cognitive Sci [1414102] Funding Source: National Science Foundation
- Division Of Environmental Biology
- Direct For Biological Sciences [1241889] Funding Source: National Science Foundation
Schistosomiasis is a snail-borne parasitic disease that ranks among the most important water-based diseases of humans in developing countries. Increased prevalence and spread of human schistosomiasis to non-endemic areas has been consistently linked with water resource management related to agricultural expansion. However, the role of agrochemical pollution in human schistosome transmission remains unexplored, despite strong evidence of agrochemicals increasing snail-borne diseases of wildlife and a projected 2-to 5-fold increase in global agrochemical use by 2050. Using a field mesocosm experiment, we show that environmentally relevant concentrations of fertilizer, a herbicide, and an insecticide, individually and as mixtures, increase densities of schistosome-infected snails by increasing the algae snails eat and decreasing densities of snail predators. Epidemiological models indicate that these agrochemical effects can increase transmission of schistosomes. Identifying agricultural practices or agrochemicals that minimize disease risk will be critical to meeting growing food demands while improving human wellbeing.
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