Dissertation Research: The Importance of Seed Dispersers in the Evolution of Ficus (Moraceae)
论文研究:种子传播者在榕树(桑科)进化中的重要性
基本信息
- 批准号:0513649
- 负责人:
- 金额:$ 1.2万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-07-01 至 2008-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Because plants are literally rooted in place, dispersal to new locations is a major challenge. Many plants rely on animals to disperse their seeds. Their fruits and seeds are consumed by animals, who defecate their seeds elsewhere. It follows that animal seed dispersers should be important for fruiting plants and it's puzzling that they appear not to be, at least from an evolutionary standpoint. In particular, evolutionary biologists can find little hard evidence that seed dispersers "matter" to plants. The proposed study is based on the premise that this discrepancy between what "should" be and what appears to be is one of methodology -- whether seed dispersal "matters" depends largely on how one goes about looking for its imprint. The hypothesis to be tested is that plant species dispersed by different types of fruit-eating animals have evolved different types of fruits ("syndromes"). The project is developed in partnership with a conservation organization (WCS) and features the mentoring of PNG students. Students will be encouraged to pursue independent research projects. Further, by hiring local assistants and providing funds to work in collectively owned forests, the project will encourage conservation of those forests. Finally, partnerships will be fostered with senior scientists in PNG, facilitating international collaboration. In the U.S., outreach will focus on middle school students from under-privileged backgrounds, via involvement with an NSF GK-12 program. As a Hispanic female, the graduate researcher can be an effective role model.
因为植物从字面上讲是扎根的,所以扩散到新的地点是一个重大挑战。许多植物依靠动物来散播种子。它们的果实和种子被动物吃掉,它们把种子排到其他地方。因此,动物种子传播器对于结实植物来说应该是重要的,但令人费解的是,至少从进化的角度来看,它们似乎并非如此。特别是,进化生物学家几乎找不到确凿的证据证明种子传播器对植物“重要”。这项拟议的研究是基于这样一个前提,即“应该”和“看起来”之间的差异是一种方法--种子传播是否“重要”在很大程度上取决于一个人如何寻找它的印记。需要检验的假设是,被不同类型的食果动物分散开来的植物物种进化出了不同类型的水果(“综合症”)。该项目是与一个保护组织(WCS)合作开发的,以指导巴布亚新几内亚学生为特色。将鼓励学生从事独立研究项目。此外,通过雇用当地助手并提供资金在集体所有的森林中工作,该项目将鼓励保护这些森林。最后,将与巴布亚新几内亚的资深科学家建立伙伴关系,促进国际合作。在美国,通过参与NSF GK-12项目,外展活动将侧重于来自贫困背景的中学生。作为一名西班牙裔女性,研究生研究员可以成为有效的榜样。
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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Douglas Levey其他文献
Douglas Levey的其他文献
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{{ truncateString('Douglas Levey', 18)}}的其他基金
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$ 1.2万 - 项目类别:
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