Collaborative Research: Testing the Role of Resource Heterogeneity and Clonal Integration on Plant Diversity in Grasslands
合作研究:测试资源异质性和克隆整合对草原植物多样性的作用
基本信息
- 批准号:0235699
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-02-15 至 2008-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Non Technical Summary (200 words) "Collaborative Research: Testing the Role of Resource Heterogeneity and Clonal Integration on Plant Diversity in Grasslands"PIs: KL Gross, GG Mittelbach, HL Reynolds (NSF proposal #0235699)What determines the number of coexisting species in a local area is a long-standing question for ecologists. This is particularly challenging for plant communities because plants require similar resources and so we would expect the number of coexisting species to be strongly limited by competition. One important, but rarely tested, hypothesis to explain the high diversity of plant communities is that variation in resource levels across different patches (i.e., spatial resource heterogeneity) may regulate species diversity. We are currently testing this hypothesis in a large-scale field experiment in Michigan grassland by experimentally increasing soil resource levels through fertilization in either a homogeneous or heterogeneous fashion. This manipulation is combined with a species (seed) addition treatment to test if the ability of species to invade these grassland communities changes under different nutrient regimes. In this renewal, we will continue to follow changes in plant species diversity in response to our treatments of nutrient patchiness and potential species invasion. We also will establish a new experiment in which we will determine whether the presence of clonal plants - species that grow by producing vegetative shoots - influences the ability of non-clonal species to respond to heterogeneity in soil resources.
非技术摘要(200字)“合作研究:测试资源异质性和克隆整合对草原植物多样性的作用“PI:KL Gross,GG Mittelbach,HL Reynolds(NSF提案#0235699)是什么决定了当地共存物种的数量是生态学家长期以来的问题。这对植物群落来说尤其具有挑战性,因为植物需要相似的资源,因此我们预计共存物种的数量将受到竞争的强烈限制。 解释植物群落高度多样性的一个重要但很少经过检验的假设是,不同斑块之间资源水平的变化(即,空间资源异质性)可以调节物种多样性。我们目前正在密歇根州草原的一个大规模的田间实验中测试这一假设,通过实验增加土壤资源水平,通过施肥在一个均匀或异质的方式。 这种操作相结合的物种(种子)除了治疗,以测试物种入侵这些草原群落的能力,在不同的营养制度的变化。在这次更新中,我们将继续跟踪植物物种多样性的变化,以应对我们对营养斑块和潜在物种入侵的处理。 我们还将建立一个新的实验,在这个实验中,我们将确定克隆植物(通过产生营养芽生长的物种)的存在是否会影响非克隆物种对土壤资源异质性的反应能力。
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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Katherine Gross其他文献
CONGENITAL BRONCHIAL ATRESIA MASQUERADING AS A LUNG MASS
- DOI:
10.1016/j.chest.2020.08.1469 - 发表时间:
2020-10-01 - 期刊:
- 影响因子:
- 作者:
Jonathan Munoz;Ricardo Herrera;Katherine Gross - 通讯作者:
Katherine Gross
Domain Structure and Magnetoresistance in Co<sub>2</sub>MnGe Zigzag Structures
- DOI:
10.1016/j.phpro.2015.12.177 - 发表时间:
2015-01-01 - 期刊:
- 影响因子:
- 作者:
Katherine Gross;Kurt Westerholt;Maria E. Gómez;Hartmut Zabel - 通讯作者:
Hartmut Zabel
DISSEMINATED COCCIDIOIDOMYCOSIS IN AN IMMUNOCOMPETENT ASIAN MALE
- DOI:
10.1016/j.chest.2020.08.482 - 发表时间:
2020-10-01 - 期刊:
- 影响因子:
- 作者:
Jonathan Munoz;Ricardo Herrera;Samridhi Gulati;Katherine Gross - 通讯作者:
Katherine Gross
PHOTOGRAPHIC NEGATIVE PULMONARY EDEMA SECONDARY TO ISOCITRATE DEHYDROGENASE INHIBITOR TOXICITY
- DOI:
10.1016/j.chest.2020.08.1021 - 发表时间:
2020-10-01 - 期刊:
- 影响因子:
- 作者:
Kinnari Shah;Samridhi Gulati;Mohanad Hadi;Katherine Gross - 通讯作者:
Katherine Gross
Running Head: HOME MATH ENVIRONMENT: MORE THAN NUMERACY The Home Math Environment: More Than Numeracy Keywords: Broad mathematics knowledge; preschool; parents; numeracy knowledge; patterning skills; spatial skills; home math environment
运行标题:家庭数学环境:不仅仅是算术 家庭数学环境:不仅仅是算术 关键词:广泛的数学知识;
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
Erica L. Zippert;Bethany Rittle;Bethany Rittle;D. Bice;Ashli;Katherine Gross;Haley Rushing;Joyce Hwang;Duncan;Siegler - 通讯作者:
Siegler
Katherine Gross的其他文献
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{{ truncateString('Katherine Gross', 18)}}的其他基金
FSML: Real-time genomics: enabling the next generation of field ecology and evolution
FSML:实时基因组学:实现下一代野外生态学和进化
- 批准号:
1722621 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Standard Grant
REU Site: Ecological and Evolutionary Dynamics in a Changing World: A scaffolded undergraduate research experience
REU 网站:不断变化的世界中的生态和进化动力学:支架式本科生研究经验
- 批准号:
1460569 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Standard Grant
Greenhouse facility to support field ecology and evolution research and teaching at the Kellogg Biological Station
支持凯洛格生物站野外生态学和进化研究和教学的温室设施
- 批准号:
1034781 - 财政年份:2010
- 资助金额:
-- - 项目类别:
Standard Grant
Field Facilities Improvements for Terrestrial and Aquatic Ecology at the Kellogg Biological Station
凯洛格生物站陆地和水生生态现场设施改进
- 批准号:
0934350 - 财政年份:2010
- 资助金额:
-- - 项目类别:
Standard Grant
Dissertation Research: Regulation of plant-mycorrhizal interactions depends on the abundance and identity of limiting resources
论文研究:植物-菌根相互作用的调节取决于限制资源的丰度和特性
- 批准号:
0909942 - 财政年份:2009
- 资助金额:
-- - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Species Pools and Plant Traits as Constraints on Species Diversity across Productivity Gradients
论文研究:物种库和植物性状对生产力梯度下物种多样性的限制
- 批准号:
0308856 - 财政年份:2003
- 资助金额:
-- - 项目类别:
Standard Grant
Plant Species diversity Along Productivity Gradients: Testing the Role of Resource Heterogeneity
沿生产力梯度的植物物种多样性:测试资源异质性的作用
- 批准号:
9903904 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Continuing Grant
Dissertation Research: Spatially Autocorrelated Environmental Heterogeneity: Within-Population Effects in Danthonia spicata
论文研究:空间自相关环境异质性:丹松草的种群内效应
- 批准号:
9623772 - 财政年份:1996
- 资助金额:
-- - 项目类别:
Standard Grant
Mechanisms of Below-Ground Resource Acquisition in Plants: Linking Form and Function
植物获取地下资源的机制:形式与功能的联系
- 批准号:
9107481 - 财政年份:1991
- 资助金额:
-- - 项目类别:
Continuing Grant
REU: Mechanisms of Below-ground Competition in Plants: Linking Form and Function
REU:植物地下竞争机制:形式与功能的联系
- 批准号:
8818441 - 财政年份:1989
- 资助金额:
-- - 项目类别:
Standard Grant
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