globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12937
Scopus记录号: 2-s2.0-85043479280
论文题名:
Bioenergetic theory predicts infection dynamics of human schistosomes in intermediate host snails across ecological gradients
作者: Civitello D.J.; Fatima H.; Johnson L.R.; Nisbet R.M.; Rohr J.R.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:5
起始页码: 692
结束页码: 701
语种: 英语
英文关键词: Density dependence ; energy budget ; parasite production ; parasitism ; reproduction ; resources
Scopus关键词: Gastropoda ; Schistosoma ; Schistosoma mansoni
英文摘要: Epidemiological dynamics depend on the traits of hosts and parasites, but hosts and parasites are heterogeneous entities that exist in dynamic environments. Resource availability is a particularly dynamic and potent environmental driver of within-host infection dynamics (temporal patterns of growth, reproduction, parasite production and survival). We developed, parameterised and validated a model for resource-explicit infection dynamics by incorporating a parasitism module into dynamic energy budget theory. The model mechanistically explained the dynamic multivariate responses of the human parasite Schistosoma mansoni and its intermediate host snail to variation in resources and host density. At the population level, feedbacks mediated by resource competition could create a unimodal relationship between snail density and human risk of exposure to schistosomes. Consequently, weak snail control could backfire if reductions in snail density release remaining hosts from resource competition. If resource competition is strong and relevant to schistosome production in nature, it could inform control strategies. © 2018 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107458
Appears in Collections:气候减缓与适应

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作者单位: Department of Biology, Emory University, 1510 Clifton Rd NE, Atlanta, GA, United States; Global Health Institute, Duke University, Durham, NC, United States; Department of Statistics, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States; Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, UCSB, Santa Barbara, CA, United States; Department of Integrative Biology, University of South Florida, 4202, East Fowler Ave., Tampa, FL, United States

Recommended Citation:
Civitello D.J.,Fatima H.,Johnson L.R.,et al. Bioenergetic theory predicts infection dynamics of human schistosomes in intermediate host snails across ecological gradients[J]. Ecology Letters,2018-01-01,21(5)
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