Ecology and Evolution of Young Leaf Defenses in Tropical Rainforest Legumes
热带雨林豆类幼叶防御的生态学和进化
基本信息
- 批准号:0234936
- 负责人:
- 金额:$ 40万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-04-01 至 2007-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Plants and herbivores comprise the majority of the earth's biodiversity and their evolutionary interactions have resulted in an arms race in which plant defenses are met by counter adaptations on the part of herbivores. In tropical forests, the vast majority of herbivory occurs by insects feeding on young rather than mature leaves and there is enormous variation in damage among species, yet we know little of the underlying causes of this variation. Using an approach that explicitly considers the evolutionary history of the interaction, this project will examine the chemical defenses of young leaves of tropical legume trees, and correlate this with other plant defenses, with leaf damage by insect herbivores, and with herbivore life history traits. Methods include analyses of plant chemistry, feeding trials with herbivores to assess toxicity, and field measurement of herbivory, timing of leaf expansion, and diet breadth of herbivores. This project will improve our general understanding of the ecological and evolutionary interactions between plants and herbivores, and will provide data on poorly known tropical forests. In addition, the plants under study have commercial value (fruit), and are used for reforestation and for enriching soil nutrients.
植物和食草动物构成了地球生物多样性的大部分,它们的进化相互作用导致了一场军备竞赛,在这场竞赛中,植物的防御被食草动物的反适应所满足。在热带森林中,绝大多数食草性昆虫以幼嫩的树叶而不是成熟的树叶为食,物种之间的损害差异很大,但我们对这种差异的根本原因知之甚少。使用一种明确考虑相互作用的进化史的方法,该项目将研究热带豆科树幼叶的化学防御,并将其与其他植物防御、昆虫食草动物对叶子的损害以及食草动物生活史特征联系起来。方法包括植物化学分析,草食动物饲养试验以评估毒性,以及草食动物的食草性,叶片扩张时间和饮食宽度的野外测量。这个项目将提高我们对植物和食草动物之间生态和进化相互作用的总体理解,并将提供鲜为人知的热带森林的数据。此外,所研究的植物具有商业价值(果实),可用于重新造林和丰富土壤养分。
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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Phyllis Coley其他文献
Phyllis Coley的其他文献
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{{ truncateString('Phyllis Coley', 18)}}的其他基金
DISSERTATION RESEARCH: The Ontogeny of Defense in Tropical Rainforest Trees: Leaf Secondary Metabolites across Canopy-Understory Gradients of Resources and Stressors
论文研究:热带雨林树木防御的个体发育:跨冠层-林下资源和压力源梯度的叶子次生代谢物
- 批准号:
1405637 - 财政年份:2014
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
The Diversification of Chemical and Developmental Defenses Against Herbivores Within the Genus Inga
英加属食草动物的化学防御和发育防御的多样化
- 批准号:
0640630 - 财政年份:2007
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
U.S. -Brazil Planning Visit: The Evolution and Ecology of Young Leaf Defenses in Inga, A Widespread and Speciose Neotropical genus
美国-巴西计划访问:印加(一种广泛分布的新热带属)幼叶防御的进化和生态
- 批准号:
0531803 - 财政年份:2005
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Herbivore Pressure, Inga Chemistry, Toxicity and Defensive Ants: Comparison of two Tropical Communities
论文研究:草食动物压力、因加化学、毒性和防御蚂蚁:两个热带群落的比较
- 批准号:
0407653 - 财政年份:2004
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Dissertation Research: Herbivory and the Evolution of Habitat Specialization in Amazonian White Sand and Clay Forests
论文研究:亚马逊白沙和粘土森林的食草动物和栖息地专业化的演变
- 批准号:
0206196 - 财政年份:2002
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Ecology and Evolution of Young Leaf Defenses in Tropical Rainforest Legumes
热带雨林豆类幼叶防御的生态学和进化
- 批准号:
0108150 - 财政年份:2001
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
SGER: The Regulation of Herbivores by the Third Trophic Level: An El Nino Experiment
SGER:第三营养级对食草动物的调节:厄尔尼诺实验
- 批准号:
9806674 - 财政年份:1998
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Dissertation Research: Maintenance of Polymorphism in a Natural Plant-Pathogen Interaction
论文研究:天然植物-病原体相互作用中多态性的维持
- 批准号:
9701320 - 财政年份:1997
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Dissertation Research: Tropical Monodominance: A Test of Mechanisms Which Promote and Maintain the Dominance of Gilbertiodendron dewevrei
论文研究:热带单一优势:促进和维持吉尔伯特树优势机制的测试
- 批准号:
9617116 - 财政年份:1997
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Maintenance of Tropical Tree Diversity by Herbivores and Pathogens: A Test of the Janzen-Connell Hypothesis
食草动物和病原体对热带树木多样性的维持:詹森-康奈尔假说的检验
- 批准号:
9420031 - 财政年份:1995
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
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