Understanding a major global divergence in tropical life history strategies
了解热带生活史策略的全球主要差异
基本信息
- 批准号:0841764
- 负责人:
- 金额:$ 60万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-02-15 至 2013-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Life history attributes such as rates of birth, death, growth, and development typically are related in predictable ways that support distinct, but successful, life styles. Typically, birth rate and adult longevity are negatively correlated and development time and life-time survival are positively correlated. Slow development and low fecundity are thought to be essential to a life history that includes long maximum life spans and are thought to have their effects through improving the health and survival of offspring. However, tropical birds of Asia appear to violate this pattern, being similarly long-lived to the birds of the New World tropics, but having higher fecundity and development rate. Therefore, low fecundity and slow development may not be necessary for high offspring quality and long life. This study will use extensive and detailed comparative surveys, complemented with some field experimentation, to examine possible environmental causes of the higher fecundity and faster development of 25-30 bird species in Sabah, Malaysia. Additionally, the work will examine the extent to which fecundity and development rate determine offspring immune function and thereby determine adult longevity. This work will provide new insight into the roles of development rate and fecundity in the ability to fight pathogens through immune function and of the influence of this and other indicators of offspring quality on longevity. It also will improve understanding of the environmental causes of variation in rates of birth, death, and development and their interrelationships. These rates greatly influence the vulnerability of populations to environmental change and can significantly aide our ability to sustain biodiversity in North America, as well as world-wide. Finally, this work includes substantial scientific training of many undergraduate and graduate students, including members of groups currently underrepresented in science.
生命史属性,如出生率、死亡率、增长率和发展率,通常以可预测的方式联系在一起,支持独特但成功的生活方式。典型地,出生率与成人寿命呈负相关,发育时间与终生生存呈正相关。发育缓慢和繁殖力低被认为是包括最长寿命在内的生命史的必要条件,并被认为通过改善后代的健康和生存而产生影响。然而,亚洲的热带鸟类似乎违反了这一模式,它们与新世界热带地区的鸟类一样长寿,但具有更高的繁殖力和发育速度。因此,低繁殖力和发育缓慢可能不是高后代质量和长寿所必需的。本研究将采用广泛和详细的比较调查,辅以一些实地实验,以检查马来西亚沙巴25-30种鸟类较高繁殖力和更快发育的可能环境原因。此外,这项工作将检查生育能力和发育速度在多大程度上决定后代的免疫功能,从而决定成年寿命。这项工作将对发育速度和繁殖力在通过免疫功能抵抗病原体的能力中的作用以及这一和其他后代质量指标对寿命的影响提供新的见解。它还将增进对出生率、死亡率和发展率变化的环境原因及其相互关系的了解。这些速度极大地影响了人口对环境变化的脆弱性,并可以极大地帮助我们维持北美乃至全世界生物多样性的能力。最后,这项工作包括对许多本科生和研究生进行大量的科学培训,包括目前科学界代表性不足的群体的成员。
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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Thomas Martin其他文献
An Empirical Study of Cost-sensitive Classification in Campaign Management
活动管理中成本敏感分类的实证研究
- DOI:
- 发表时间:
2004 - 期刊:
- 影响因子:0
- 作者:
Ying Lu;Atish P. Sinha;Huimin Zhao;Thomas Martin - 通讯作者:
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Using ssh as portal – The CMS CRAB over glideinWMS experience
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10.1088/1742-6596/513/3/032006 - 发表时间:
2014 - 期刊:
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S. Belforte;I. Sfiligoi;J. Letts;F. Fanzago;M. D. S. Santos;Thomas Martin - 通讯作者:
Thomas Martin
Goal-Directed Transthoracic Echocardiography: Using Simulation to Assess Ability
- DOI:
10.1378/chest.1702643 - 发表时间:
2013-10-01 - 期刊:
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Yonatan Greenstein;Thomas Martin;Kevin Felner;Brian Kaufman - 通讯作者:
Brian Kaufman
Outcomes of Frailty Subgroups Treated with Teclistamab in the Real-World: An International Myeloma Foundation Study Database Analysis
- DOI:
10.1182/blood-2024-200877 - 发表时间:
2024-11-05 - 期刊:
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Hira Mian;Carlyn Rose Tan;Sireesha Asoori;Rakesh Popat;Nadine Abdallah;Saurabh Chhabra;Ricardo D. Parrondo;Gregory R Pond;Thomas Martin;Brian G.M. Durie;Yi Lin - 通讯作者:
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On the systematic position ofChaetomys subspinosus (Rodentia: Caviomorpha) based on evidence from the incisor enamel microstructure
- DOI:
10.1007/bf01464364 - 发表时间:
1994-06-01 - 期刊:
- 影响因子:2.100
- 作者:
Thomas Martin - 通讯作者:
Thomas Martin
Thomas Martin的其他文献
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{{ truncateString('Thomas Martin', 18)}}的其他基金
DISSERTATION RESEARCH: Survival and performance costs of phenotypic responses to predation risk
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- 批准号:
1701672 - 财政年份:2017
- 资助金额:
$ 60万 - 项目类别:
Standard Grant
Collaborative Research: Energetic consequences of rain and nest structure for ecology and evolution of songbirds in tropical rainforests
合作研究:降雨和巢结构对热带雨林鸣禽生态和进化的能量影响
- 批准号:
1656120 - 财政年份:2017
- 资助金额:
$ 60万 - 项目类别:
Continuing Grant
SCH: INT: Collaborative Research: Smart Wearable Systems to Support and Measure Movement in Children With and Without Mobility Impairments
SCH:INT:合作研究:支持和测量有或没有行动障碍儿童的运动的智能可穿戴系统
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1722540 - 财政年份:2017
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RAPID: Effects of a severe El Nino drought on survival, reproduction and population change across tropical songbird species that differ in average survival rates
快速:严重的厄尔尼诺干旱对平均存活率不同的热带鸣禽物种的生存、繁殖和种群变化的影响
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1651283 - 财政年份:2016
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$ 60万 - 项目类别:
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I-Corps: Storycoding I-Corps Team
I-Corps:故事编码 I-Corps 团队
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1535818 - 财政年份:2015
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$ 60万 - 项目类别:
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A new theory of clutch size evolution: Consequences of morphology at fledging on mobility and survival interacting with parental energy expenditure (FMR)
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1349178 - 财政年份:2014
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$ 60万 - 项目类别:
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A Longitudinal Study of the Dimensions of Disciplinary Culture to Enhance Innovation and Retention among Engineering Students
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1329224 - 财政年份:2013
- 资助金额:
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Dimensions: Collaborative Research: Historical and contemporary influences on elevational distributions and biodiversity tested in tropical Asia
维度:合作研究:热带亚洲测试的历史和当代对海拔分布和生物多样性的影响
- 批准号:
1241041 - 财政年份:2012
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SHB: Small: Collaborative Research: Electronic Textiles for Ambulatory Health Monitoring
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1116669 - 财政年份:2011
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$ 60万 - 项目类别:
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Life History and Developmental Variation of Tropical Versus Temperate Passerines
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0543178 - 财政年份:2006
- 资助金额:
$ 60万 - 项目类别:
Continuing Grant
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