Collaborative Research: Coevolution of Hosts and Parasitoids Within a Geographic Mosaic
合作研究:地理马赛克中宿主和寄生蜂的共同进化
基本信息
- 批准号:0515655
- 负责人:
- 金额:$ 9万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-09-01 至 2010-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Coevolution - the process by which interacting species undergo reciprocal evolutionary change - is one of the major driving forces underlying the generation and maintenance of biodiversity. Research over the past decade has shown that spatial heterogeneity can influence coevolutionary interactions. However, a complete, mechanistic understanding of the influence of spatial heterogeneity on coevolution is still needed. The proposed research combines theoretical and empirical approaches to rigorously evaluate how spatial heterogeneity in resource availability and dispersal among habitat patches influence coevolution. It utilizes the bacterium Escherichia coli and the bacteriophage T7, a viral parasitoid of E. coli, as model coevolving organisms. Experiments in which dispersal and resource availability are directly manipulated will be combined with theoretical models that incorporate details of the host-parasitoid interaction to provide both qualitative and quantitative predictions of how dispersal across a heterogeneous landscape influences coevolution. This research provides a crucial middle ground between the relative simplicity of current mathematical models and the complexity of field studies. This research will add to our understanding of the geographic mosaic theory of coevolution and metacommunity theory, which underlie much of the work on habitat fragmentation in conservation biology. This work will also increase our understanding of coevolving microbes, which perform many crucial ecosystem services and which have been vastly understudied. Finally, the research will contribute to our general knowledge of how spatial heterogeneity influences the ecology and evolution of interacting organisms.
共同进化-相互作用的物种经历相互进化变化的过程-是生物多样性产生和维持的主要驱动力之一。过去十年的研究表明,空间异质性可以影响共同进化的相互作用。然而,一个完整的,机械的理解空间异质性对协同进化的影响仍然需要。拟议的研究结合了理论和实证的方法,严格评估空间异质性的资源可用性和分散栖息地斑块之间的影响协同进化。它利用大肠杆菌和噬菌体T7,一种E.大肠杆菌作为共同进化的模式生物。扩散和资源的可用性直接操纵的实验将结合理论模型,将主机-寄生虫相互作用的细节,以提供定性和定量的预测如何分散在一个异质的景观影响共同进化。 这项研究提供了一个关键的中间地带之间的相对简单的当前数学模型和复杂的实地研究。这项研究将增加我们对共同进化和后居理论的地理镶嵌理论的理解,这是保护生物学中栖息地破碎化的基础。这项工作还将增加我们对共同进化微生物的理解,这些微生物执行许多关键的生态系统服务,并且一直被广泛研究。最后,这项研究将有助于我们了解空间异质性如何影响相互作用的生物体的生态和进化。
项目成果
期刊论文数量(0)
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Robert Holt其他文献
Algae biofilm induced surface erosion of acrylic coatings
藻类生物膜引起丙烯酸涂料的表面侵蚀
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:6.6
- 作者:
S. Khatri;Michael Mullins;Wilson Cheung;Adem Chich;Robert Holt;Brad Grzybowski;Hung - 通讯作者:
Hung
Robert Holt的其他文献
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{{ truncateString('Robert Holt', 18)}}的其他基金
Collaborative Research: IHBEM: The fear of here: Integrating place-based travel behavior and detection into novel infectious disease models
合作研究:IHBEM:这里的恐惧:将基于地点的旅行行为和检测整合到新型传染病模型中
- 批准号:
2327798 - 财政年份:2023
- 资助金额:
$ 9万 - 项目类别:
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DISSERTATION RESEARCH: The alteration of landscape nutrient flows by human-induced increases in generalist omnivores
论文研究:人类引起的杂食动物增加对景观养分流的改变
- 批准号:
0909965 - 财政年份:2009
- 资助金额:
$ 9万 - 项目类别:
Standard Grant
Enhancement of Research Facilities at the Kansas Ecological Reserves
加强堪萨斯生态保护区的研究设施
- 批准号:
9512600 - 财政年份:1996
- 资助金额:
$ 9万 - 项目类别:
Standard Grant
Niche Conservatism: A Population Dynamic Perspective
利基保守主义:人口动态视角
- 批准号:
9528602 - 财政年份:1996
- 资助金额:
$ 9万 - 项目类别:
Standard Grant
U.S.-France Cooperative Research: Theoretical Studies on the Conservation Implications of Predator Removal and Introductions
美法合作研究:捕食者清除和引入的保护意义的理论研究
- 批准号:
9416886 - 财政年份:1995
- 资助金额:
$ 9万 - 项目类别:
Standard Grant
LTREB: Long-term Studies of Population and Community Ecology in an Experimentally Fragmented Landscape
LTREB:实验性破碎景观中人口和群落生态学的长期研究
- 批准号:
9308065 - 财政年份:1993
- 资助金额:
$ 9万 - 项目类别:
Continuing Grant
REU: Patch Size, Herbivory, and Secondary Succession: An Experimental Study
REU:斑块大小、草食和二次演替:实验研究
- 批准号:
8718088 - 财政年份:1988
- 资助金额:
$ 9万 - 项目类别:
Continuing Grant
U.S.-Sweden Cooperative Science: Joint Seminar on Trophic Exploitation, May-June 1985, Umea, Sweden
美国-瑞典合作科学:营养开发联合研讨会,1985 年 5 月至 6 月,瑞典于默奥
- 批准号:
8506639 - 财政年份:1985
- 资助金额:
$ 9万 - 项目类别:
Standard Grant
Doctoral Dissertation Research in Political Science
政治学博士论文研究
- 批准号:
7900987 - 财政年份:1979
- 资助金额:
$ 9万 - 项目类别:
Standard Grant
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