Net Effects of Rising CO2 on the Performance of Plants and Their Insect Herbivores
Net Effects of Rising CO2 on the Performance of Plants and Their Insect Herbivores
批准号:
9903808
负责人:
Fakhri Bazzaz
金额:
$30.0万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-07-01 至 2003-12-31
中文摘要
高浓度二氧化碳对植物的直接影响越来越为人所知。然而,在二氧化碳浓度升高的情况下,植物和以这些植物为食的昆虫如何相互作用还不是很清楚。本研究提出了三个问题,即在高CO2大气中植物和昆虫相互作用的变化如何影响种群和群落,利用来自不同取食行业的昆虫物种饲养整株植物。第一个实验将确定来自不同食料行业的昆虫对二氧化碳浓度升高下生长的单一寄主植物的反应。在第二个试验中,将采用氮和CO2处理来详细研究这些环境因素对植物和昆虫生产性能的相互作用。本研究提出的最后一个实验将研究在多物种寄主植物组合中,食草动物偏好改变对植物竞争相互作用的潜在影响。这将极大地扩展我们对高CO2环境下不同昆虫对寄主植物质量变化的摄食反应如何影响食草动物和植物性能的认识。这项研究的组成部分将提供重要的见解,如何提高二氧化碳大气将影响昆虫与植物的相互作用在个体,种群和社区水平。
英文摘要
BazzazDEB 9903808The direct effects of enriched CO2 on plants are becoming increasingly well known. However, how the interactions of plant and insects that feed on those plants under elevated CO2 is not very well understood. This study proposes to address three questions about how populations and communities may be affected by changes in plant insect interactions in high CO2 atmospheres, using insect species from different feeding guilds reared on whole plants. The first experiment will determine how insects from different feeding guilds respond to a single host plant grown under elevated CO2. In the second experiment, both Nitrogen and CO2 treatments will be used to examine in detail the interactive effects of these environmental factors on both plant and insect performance. The last experiment proposed in this study would examine the potential effects of altered herbivore preferences on plant competitive interactions within a multi-species host plant assemblage. It will greatly extend our knowledge of how the feeding responses of different insects to changes in host plant quality under high CO2 will affect both herbivore and plant performance. The components of this research will provide important insight into how elevated CO2 atmospheres will affect insect-plant interactions at the individual, population, and community levels.
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US-Zimbabwe Dissertation Enhancement: Understanding the Role that Carbon Plays in Leaf Flush and the Implications for African Savannas
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批准号:0115396
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项目类别:Standard Grant
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资助金额:$2.0万
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财政年份:2001
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: Linking Leaf Lifespan to Distribution and Growth Strategies of Oaks: Implications for Global Change
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批准号:9801455
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项目类别:Standard Grant
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资助金额:$0.65万
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财政年份:1998
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负责人:Fakhri Bazzaz
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依托单位:
Evolution of Annuals Under Resource Modification: Genetic Diversity and Trait Evolution Under Interacting Components of Global Change (CO2, Temperature, and Nitrogen)
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批准号:9615298
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项目类别:Continuing Grant
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资助金额:$25.0万
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财政年份:1997
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负责人:Fakhri Bazzaz
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依托单位:
Resource Acquisition, Allometry, and Growth of Individuals within Competing Plant Populations
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批准号:9630397
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项目类别:Continuing Grant
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资助金额:$33.0万
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财政年份:1996
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负责人:Fakhri Bazzaz
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依托单位:
Group Travel:"Global Change in Terrestrial Ecosystems (GCTE)Workshop; Basel, Switzerland; August 1994."
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批准号:9408692
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项目类别:Standard Grant
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资助金额:$1.5万
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财政年份:1994
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: The Understory as Ecological Filter: Its Influence on the Abundance, Composition, and Size Structure of Seedling Bank in New England Deciduous Forests
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批准号:9411785
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项目类别:Standard Grant
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资助金额:$0.5万
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财政年份:1994
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: Black Birch Seedlings as Foragers forNitrogen
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批准号:9016042
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项目类别:Standard Grant
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资助金额:$0.63万
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财政年份:1991
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: Light Interception and Growth in Four Pioneer Tree Species with Contrasting Canopy Architecture
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批准号:9016324
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项目类别:Standard Grant
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资助金额:$0.79万
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财政年份:1991
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: Effects of Enriched CO2 Environments on Plants and Insects: Herbivory and Resource Allocation
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批准号:8800920
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项目类别:Standard Grant
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资助金额:$1.0万
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财政年份:1988
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: Dipterocarp Seedling Growth and Understory Light Availability
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批准号:8701056
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项目类别:Standard Grant
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资助金额:$0.63万
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财政年份:1987
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负责人:Fakhri Bazzaz
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依托单位:
Physiological and Ecological Specialization of New England Forest Tree Species
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批准号:8611308
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项目类别:Standard Grant
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资助金额:$16.4万
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财政年份:1987
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负责人:Fakhri Bazzaz
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依托单位:
Dissertation Research: Factors Restricting Tree Establishment During Post-Agricultural Succession
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批准号:8612418
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项目类别:Standard Grant
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资助金额:$0.78万
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财政年份:1986
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负责人:Fakhri Bazzaz
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依托单位:
Response Breadth and Between-Individual Variation in Plants of an Early Successional Community
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批准号:8414355
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项目类别:Continuing Grant
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资助金额:$25.06万
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财政年份:1984
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负责人:Fakhri Bazzaz
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依托单位:
Collaborative Studies on Genetic Polymorphism and Niche Width in Phlox
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批准号:7823657
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项目类别:Continuing Grant
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资助金额:$9.17万
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财政年份:1979
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负责人:Fakhri Bazzaz
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依托单位:
Travel to Attend: International Symposium on Synthesis of Demographic and Experimental Approaches to Functioning of Plants, Wageningen, the Netherlands, 05/09-12/77
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批准号:7714785
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项目类别:Standard Grant
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资助金额:$0.08万
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财政年份:1977
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负责人:Fakhri Bazzaz
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依托单位:
Variability of Early Successional Plants Along Gradients of Soil Moisture and Competition
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批准号:7682499
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项目类别:Continuing Grant
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资助金额:$6.21万
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财政年份:1977
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负责人:Fakhri Bazzaz
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依托单位:
Flocculability and Filtrability of Activated Sludge in Response to Growth Conditions
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批准号:7610437
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项目类别:Standard Grant
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资助金额:$7.59万
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财政年份:1976
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负责人:Fakhri Bazzaz
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依托单位:
国内基金
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