Modelling heterogeneities in disease transmission and predation
模拟疾病传播和捕食的异质性
基本信息
- 批准号:238365-2007
- 负责人:
- 金额:$ 1.05万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2011
- 资助国家:加拿大
- 起止时间:2011-01-01 至 2012-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
At the core of every ecological model, whether specified clearly or not, are assumptions about the encounter rates between individuals: between predator and prey, host and parasite, plant and insect or infected and susceptible individuals. Most models assume individuals are identical and interactions are independent. This is clearly not the case; individuals are heterogeneous in almost every aspect: behaviour, physiology, size, age. Despite this, simple models have been very successful: both as theoretical foundations and as applied tools. Heterogeneities, however, are clearly important, and even subtle variations in individuals can lead to interesting and unexpected results. This is especially true in disease control; vaccination models may predict control of the disease in the homogeneous case, but predict bistabilities and hysteresis in the more general case. The objective of this research is to develop and test modelling approaches for specific case studies. The proposed research follows three avenues: development of predictive models for several specific systems, development and analysis of theoretical models for general systems and a study of analytical techniques applicable to disease transmission, spatial spread and predator-prey models.
每个生态模型的核心,无论是否明确规定,都是关于个体之间遭遇率的假设:捕食者和猎物之间,宿主和寄生虫之间,植物和昆虫之间,或者感染和易感个体之间。 大多数模型假设个体是相同的,相互作用是独立的。 事实显然并非如此;个体几乎在每个方面都是异质的:行为,生理,大小,年龄。 尽管如此,简单的模型已经非常成功:无论是作为理论基础还是作为应用工具。 然而,异质性显然很重要,即使是个体的细微变化也会导致有趣和意想不到的结果。 这在疾病控制中尤其如此;疫苗接种模型可以在同质情况下预测疾病的控制,但在更一般的情况下预测双稳态和滞后。 本研究的目的是开发和测试建模方法的具体案例研究。 拟议的研究遵循三个途径:几个特定系统的预测模型的开发,一般系统的理论模型的开发和分析,以及适用于疾病传播,空间传播和捕食者-猎物模型的分析技术的研究。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Watmough, James其他文献
Role of incidence function in vaccine-induced backward bifurcation in some HIV models
- DOI:
10.1016/j.mbs.2007.05.012 - 发表时间:
2007-12-01 - 期刊:
- 影响因子:4.3
- 作者:
Sharomi, O.;Podder, C. N.;Watmough, James - 通讯作者:
Watmough, James
Non-destructive estimation of potato leaf chlorophyll from canopy hyperspectral reflectance using the inverted PROSAIL model
- DOI:
10.1016/j.jag.2006.11.003 - 发表时间:
2007-12-01 - 期刊:
- 影响因子:7.5
- 作者:
Botha, Elizabeth J.;Leblon, Brigitte;Watmough, James - 通讯作者:
Watmough, James
The importance of quarantine: modelling the COVID-19 testing process.
- DOI:
10.1007/s00285-023-01916-6 - 发表时间:
2023-04-25 - 期刊:
- 影响因子:1.9
- 作者:
Xu, Wanxiao;Shu, Hongying;Wang, Lin;Wang, Xiang-Sheng;Watmough, James - 通讯作者:
Watmough, James
Modeling vaccination and control strategies for outbreaks of monkeypox at gatherings.
- DOI:
10.3389/fpubh.2022.1026489 - 发表时间:
2022 - 期刊:
- 影响因子:5.2
- 作者:
Yuan, Pei;Tan, Yi;Yang, Liu;Aruffo, Elena;Ogden, Nicholas H.;Belair, Jacques;Arino, Julien;Heffernan, Jane;Watmough, James;Carabin, Helene;Zhu, Huaiping - 通讯作者:
Zhu, Huaiping
Mathematical modelling of vaccination rollout and NPIs lifting on COVID-19 transmission with VOC: a case study in Toronto, Canada.
- DOI:
10.1186/s12889-022-13597-9 - 发表时间:
2022-07-15 - 期刊:
- 影响因子:4.5
- 作者:
Aruffo, Elena;Yuan, Pei;Tan, Yi;Gatov, Evgenia;Moyles, Iain;Belair, Jacques;Watmough, James;Collier, Sarah;Arino, Julien;Zhu, Huaiping - 通讯作者:
Zhu, Huaiping
Watmough, James的其他文献
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{{ truncateString('Watmough, James', 18)}}的其他基金
The effect of heterogeniety on host-pathogen, plant-herbivore and disease-transmission systems
异质性对宿主-病原体、植物-食草动物和疾病传播系统的影响
- 批准号:
RGPIN-2017-05760 - 财政年份:2022
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
The effect of heterogeniety on host-pathogen, plant-herbivore and disease-transmission systems
异质性对宿主-病原体、植物-食草动物和疾病传播系统的影响
- 批准号:
RGPIN-2017-05760 - 财政年份:2021
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
The effect of heterogeniety on host-pathogen, plant-herbivore and disease-transmission systems
异质性对宿主-病原体、植物-食草动物和疾病传播系统的影响
- 批准号:
RGPIN-2017-05760 - 财政年份:2020
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
The effect of heterogeniety on host-pathogen, plant-herbivore and disease-transmission systems
异质性对宿主-病原体、植物-食草动物和疾病传播系统的影响
- 批准号:
RGPIN-2017-05760 - 财政年份:2019
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
The effect of heterogeniety on host-pathogen, plant-herbivore and disease-transmission systems
异质性对宿主-病原体、植物-食草动物和疾病传播系统的影响
- 批准号:
RGPIN-2017-05760 - 财政年份:2018
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
The effect of heterogeniety on host-pathogen, plant-herbivore and disease-transmission systems
异质性对宿主-病原体、植物-食草动物和疾病传播系统的影响
- 批准号:
RGPIN-2017-05760 - 财政年份:2017
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
Thresholds and spread in structured host-pathogen systems
结构化宿主病原体系统中的阈值和传播
- 批准号:
238365-2012 - 财政年份:2015
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
Thresholds and spread in structured host-pathogen systems
结构化宿主病原体系统中的阈值和传播
- 批准号:
238365-2012 - 财政年份:2014
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
Thresholds and spread in structured host-pathogen systems
结构化宿主病原体系统中的阈值和传播
- 批准号:
238365-2012 - 财政年份:2013
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
Thresholds and spread in structured host-pathogen systems
结构化宿主病原体系统中的阈值和传播
- 批准号:
238365-2012 - 财政年份:2012
- 资助金额:
$ 1.05万 - 项目类别:
Discovery Grants Program - Individual
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