Collaborative Research: NSFGEO-NERC: Community And Structural Collapse During Mass Extinctions (CASCaDE)
合作研究:NSFGEO-NERC:大规模灭绝期间的群落和结构崩溃(CASCaDE)
基本信息
- 批准号:2334456
- 负责人:
- 金额:$ 3.55万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-08-15 至 2026-07-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
We live in a time of widespread change to the natural systems that make our planet habitable. The climate is warming and we are in the midst of a biodiversity crises arising from our extensive and expanding use of natural resources and spaces. What do these changes mean for the future of planet? The fossil record provides us with the means to understand the resilience and collapse of ecosystems due to rapid climate change. Here the researchers will use the fossil record to explore why some intervals of earth history are particularly prone to mass extinction, while others are not. To do this, they will examine changes in fossil communities across intervals of global warming using cutting-edge approaches from food web modeling. Their results will allow them to assess the relative importance of network structure and composition, versus changes in the productivity of systems, to the stability of ecosystems during times of rapid global warming, like those we are living in today. More technically, the research will answer the question of why rapid warming events of the Paleozoic and Mesozoic consistently trigger mass extinction, whereas similarly extreme climatic events of the Cenozoic do not? The researchers will test the hypothesis that it is the evolution of modern ecosystem structures established in the aftermath of the Cretaceous-Paleogene mass extinction that has made Cenozoic communities relatively resilient to the effects of global warming as compared to those in the past. To do this they will i) reconstruct marine food webs across global warming events while accounting for preservation bias; ii) estimate productivity and biomass at the base of the marine food web through time; iii) predict primary and secondary extinctions using by advancing and applying food web modeling approaches; and iv) test the role of network structure in the stability of Cenozoic marine ecosystems.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
我们生活在一个使我们的星球适宜居住的自然系统发生广泛变化的时代。气候正在变暖,我们正处于广泛和扩大使用自然资源和空间所产生的生物多样性危机之中。这些变化对地球的未来意味着什么?化石记录为我们提供了了解快速气候变化导致的生态系统恢复力和崩溃的手段。在这里,研究人员将利用化石记录来探索为什么地球历史的某些间隔特别容易发生大规模灭绝,而其他间隔则不会。为了做到这一点,他们将使用食物网建模的尖端方法来研究全球变暖期间化石群落的变化。他们的研究结果将使他们能够评估网络结构和组成的相对重要性,相对于系统生产力的变化,在快速全球变暖的时期,生态系统的稳定性,就像我们今天生活的那样。从技术上讲,这项研究将回答为什么古生代和中生代的快速变暖事件总是引发大规模灭绝,而新生代的类似极端气候事件却没有? 研究人员将测试这一假设,即在古近纪大规模灭绝之后建立的现代生态系统结构的演变使新生代社区与过去相比对全球变暖的影响相对具有弹性。为了做到这一点,他们将i)在全球变暖事件中重建海洋食物网,同时考虑保护偏差; ii)估计海洋食物网底部的生产力和生物量; iii)通过推进和应用食物网建模方法来预测初级和次级生态系统;(iv)测试网络结构在新生代海洋生态系统稳定性中的作用。该奖项反映了NSF的法定使命,并通过使用基金会的学术价值和更广泛的影响审查标准。
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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Jennifer Dunne其他文献
Diabetic and hypertensive disorders following early pregnancy loss: a systematic review and meta-analysis
早期妊娠丢失后的糖尿病和高血压疾病:系统评价和荟萃分析
- DOI:
10.1016/j.eclinm.2024.102560 - 发表时间:
2024-05-01 - 期刊:
- 影响因子:10.000
- 作者:
Jennifer Dunne;Damien Foo;Berihun A. Dachew;Bereket Duko;Amanuel T. Gebremedhin;Sylvester D. Nyadanu;Gavin Pereira;Gizachew A. Tessema - 通讯作者:
Gizachew A. Tessema
Maternal climate-related exposures and prolonged pregnancy: Findings from a statewide population-based cohort study in Western Australia
母亲与气候相关的暴露因素与孕期延长:西澳大利亚一项基于全州人群的队列研究结果
- DOI:
10.1016/j.uclim.2025.102316 - 发表时间:
2025-02-01 - 期刊:
- 影响因子:6.900
- 作者:
Sylvester Dodzi Nyadanu;Gizachew A. Tessema;Jennifer Dunne;Aditi Roy;Gavin Pereira - 通讯作者:
Gavin Pereira
Information seeking and use by battered women: A “person-in-progressive-situations” approach
受虐妇女的信息寻求和使用:“进步情境中的人”方法
- DOI:
- 发表时间:
2002 - 期刊:
- 影响因子:0
- 作者:
Jennifer Dunne - 通讯作者:
Jennifer Dunne
Simulating social-ecological systems: the Island Digital Ecosystem Avatars (IDEA) consortium
模拟社会生态系统:岛屿数字生态系统化身(IDEA)联盟
- DOI:
10.1186/s13742-016-0118-5 - 发表时间:
2016-03-17 - 期刊:
- 影响因子:3.900
- 作者:
Neil Davies;Dawn Field;David Gavaghan;Sally J. Holbrook;Serge Planes;Matthias Troyer;Michael Bonsall;Joachim Claudet;George Roderick;Russell J. Schmitt;Linda Amaral Zettler;Véronique Berteaux;Hervé C. Bossin;Charlotte Cabasse;Antoine Collin;John Deck;Tony Dell;Jennifer Dunne;Ruth Gates;Mike Harfoot;James L. Hench;Marania Hopuare;Patrick Kirch;Georgios Kotoulas;Alex Kosenkov;Alex Kusenko;James J. Leichter;Hunter Lenihan;Antonios Magoulas;Neo Martinez;Chris Meyer;Benoit Stoll;Billie Swalla;Daniel M. Tartakovsky;Hinano Teavai Murphy;Slava Turyshev;Fernanda Valdvinos;Rich Williams;Spencer Wood - 通讯作者:
Spencer Wood
Prenatal exposure to ambient air pollution and adverse birth outcomes: An umbrella review of 36 systematic reviews and meta-analyses
- DOI:
10.1016/j.envpol.2022.119465 - 发表时间:
2022-08-01 - 期刊:
- 影响因子:7.300
- 作者:
Sylvester Dodzi Nyadanu;Jennifer Dunne;Gizachew Assefa Tessema;Ben Mullins;Bernard Kumi-Boateng;Michelle Lee Bell;Bereket Duko;Gavin Pereira - 通讯作者:
Gavin Pereira
Jennifer Dunne的其他文献
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{{ truncateString('Jennifer Dunne', 18)}}的其他基金
Workforce Development in Complex Adaptive Systems
复杂自适应系统中的劳动力发展
- 批准号:
1240192 - 财政年份:2013
- 资助金额:
$ 3.55万 - 项目类别:
Continuing Grant
Semantic Web Informatics for Species in Space and Time
时空物种语义网络信息学
- 批准号:
0850373 - 财政年份:2009
- 资助金额:
$ 3.55万 - 项目类别:
Continuing Grant
Postdoctoral Research Fellowship in Biological Informatics for FY2000
2000财年生物信息学博士后研究奖学金
- 批准号:
0074521 - 财政年份:2000
- 资助金额:
$ 3.55万 - 项目类别:
Fellowship Award
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