Skeletal Records of Coral Reef Beaching in the Central Equatorial Pacific
赤道中部太平洋珊瑚礁搁浅的骨骼记录
基本信息
- 批准号:1737311
- 负责人:
- 金额:$ 42.75万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-08-15 至 2020-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Ocean warming kills corals and efforts are underway to identify and protect coral reefs that may withstand the projected 21st century rise in tropical ocean temperatures. Coral reefs in the central equatorial Pacific (CEP) have been exposed to episodes of extreme warmth every 3-7 years for centuries, if not millennia, yet remain highly productive ecosystems. Initial data obtained by the investigator from stress signatures archived in the skeletons of long lived coral species, suggests that CEP reefs lose their symbiotic algae or bleach, sometimes severely, during warm episodes. The observation that CEP reefs bleach repetitively yet remain productive implies uncommon resilience to ocean warming. The investigator will use laboratory experiments and field observations to validate skeletal records of historical bleaching. A successful outcome will provide novel and valuable insights into the resilience of the CEP reefs and a new tool with which to identify thermally tolerant coral reef ecosystems across the tropics. Additionally, this project includes mentorship of a postdoc and six undergraduate or high school students, outreach through presentations and media, and expansion of publically available software for coral stress band analysis.Ocean warming projections indicate severe impacts to coral reefs will occur on an annual basis within the next few decades. Consequently, a coordinated effort is underway to identify reefs that might survive these changes. The investigator will test the hypothesis that such reefs exist at the epicenter of influence of the El Niño-Southern Oscillation (ENSO), where strong inter-annual temperature variability creates conditions conducive for the development of thermal resilience. The project uses laboratory-based bleaching experiments and actual stress signatures accreted by wild corals during the 2015 El Niño to validate signatures of historical bleaching archived in the skeletons of massive reef building corals. In addition the investigator will use new, long cores from the CEP to build a robust dataset of historical bleaching back to the 1800's. A successful outcome will increase confidence in the interpretation of skeletal stress bands as quantitative bleaching proxies and enable the reconstruction of the history of coral reef bleaching and recovery in the CEP.
海洋变暖杀死了珊瑚,人们正在努力识别和保护珊瑚礁,这些珊瑚礁可以承受预计的21世纪世纪热带海洋温度的上升。赤道太平洋中部(CEP)的珊瑚礁每隔3-7年就会经历一次极端温暖的天气,即使不是几千年,也是几百年,但仍然保持着高产的生态系统。研究人员从长寿珊瑚物种骨骼中存档的应力签名中获得的初步数据表明,CEP珊瑚礁在温暖时期失去了共生藻类或漂白,有时严重。CEP珊瑚礁反复漂白但仍保持生产力的观察结果表明,对海洋变暖的适应力非同寻常。研究者将使用实验室实验和实地观察来验证历史漂白的骨骼记录。一个成功的结果将提供新的和有价值的见解CEP珊瑚礁的弹性和一个新的工具,以确定整个热带地区的耐热珊瑚礁生态系统。此外,该项目还包括指导一名博士后和六名本科生或高中生,通过演讲和媒体进行宣传,以及扩大可用于珊瑚应力带分析的计算机软件。海洋变暖预测表明,在未来几十年内,珊瑚礁将每年受到严重影响。因此,正在进行协调努力,以确定可能在这些变化中幸存下来的珊瑚礁。调查员将检验这样一种假设,即这种珊瑚礁存在于厄尔尼诺-南方涛动影响的中心,那里强烈的年际温度变化为发展热复原力创造了有利条件。该项目使用基于实验室的漂白实验和2015年厄尔尼诺期间野生珊瑚产生的实际压力特征,以验证大型造礁珊瑚骨骼中存档的历史漂白特征。此外,研究人员将使用CEP的新的长岩心来建立一个强大的历史漂白数据集,可以追溯到19世纪。一个成功的结果将增加信心的解释骨骼应力带定量漂白代理,使重建的历史,在CEP的珊瑚礁漂白和恢复。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Skeletal records of bleaching reveal different thermal thresholds of Pacific coral reef assemblages
白化的骨骼记录揭示了太平洋珊瑚礁组合的不同热阈值
- DOI:10.1007/s00338-019-01803-x
- 发表时间:2019
- 期刊:
- 影响因子:3.5
- 作者:Mollica, Nathaniel R.;Cohen, Anne L.;Alpert, Alice E.;Barkley, Hannah C.;Brainard, Russell E.;Carilli, Jessica E.;DeCarlo, Thomas M.;Drenkard, Elizabeth J.;Lohmann, Pat;Mangubhai, Sangeeta
- 通讯作者:Mangubhai, Sangeeta
Repeat bleaching of a central Pacific coral reef overthe past six decades (1960–2016)
过去六十年(1960 年至 2016 年)太平洋中部珊瑚礁反复白化
- DOI:10.1038/s42003-018-01
- 发表时间:2018
- 期刊:
- 影响因子:5.9
- 作者:Hannah C. Barkley1, 6
- 通讯作者:Hannah C. Barkley1, 6
Observations and a Model of Net Calcification Declines in Palau's Largest Coral Reef Lagoon Between 1992 and 2015
- DOI:10.1029/2020jc016147
- 发表时间:2020-08
- 期刊:
- 影响因子:0
- 作者:S. Lentz;A. Cohen;K. Shamberger;H. Barkley
- 通讯作者:S. Lentz;A. Cohen;K. Shamberger;H. Barkley
Ocean Acidification Has Impacted Coral Growth on the Great Barrier Reef
- DOI:10.1029/2019gl086761
- 发表时间:2020-10-16
- 期刊:
- 影响因子:5.2
- 作者:Guo, Weifu;Bokade, Rohit;Brainard, Russell E.
- 通讯作者:Brainard, Russell E.
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Anne Cohen其他文献
Positive Approaches to Promote and Support Changesin Health Behavior
促进和支持健康行为改变的积极方法
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
E. Lattie;Anne Cohen - 通讯作者:
Anne Cohen
Anne Cohen的其他文献
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{{ truncateString('Anne Cohen', 18)}}的其他基金
NSF Convergence Accelerator Track E: Digital Reefs: A Globally Coordinated, Universally Accessible Digital Twin Network for the Coral Reef Blue Economy
NSF 融合加速器轨道 E:数字珊瑚礁:全球协调、普遍可访问的珊瑚礁蓝色经济数字孪生网络
- 批准号:
2230734 - 财政年份:2022
- 资助金额:
$ 42.75万 - 项目类别:
Cooperative Agreement
NSF Convergence Accelerator Track E: A Globally Coordinated, Universally-Accessible Digital Twin Network for the Coral Reef Blue Economy
NSF 融合加速器轨道 E:全球协调、普遍可访问的珊瑚礁蓝色经济数字孪生网络
- 批准号:
2137882 - 财政年份:2021
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
The Biophysics of Coral Reef Resilience: Hydrodynamic and Ecological Drivers of Coral Survival Under Extreme Heat
珊瑚礁恢复力的生物物理学:极热条件下珊瑚生存的水动力和生态驱动因素
- 批准号:
2049567 - 财政年份:2021
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Resolving 20th Century Sea Surface Temperatures in the Central Equatorial Pacific with Laser Sr-U
利用激光 Sr-U 解析 20 世纪中赤道太平洋海面温度
- 批准号:
2016133 - 财政年份:2020
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Temperature and variability of the Atlantic Warm Pool during and since the Little Ice Age
小冰河时期及之后大西洋暖池的温度和变化
- 批准号:
1805618 - 财政年份:2018
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Validation of the Strontium-Uranium Thermometer Against Instrumental Records of Ocean Temperature
根据海洋温度仪器记录验证锶-铀温度计
- 批准号:
1747746 - 财政年份:2017
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Can Coral Reefs in the Central Pacific Survive Ocean Warming? A 2015 El Nino Test
中太平洋的珊瑚礁能否在海洋变暖中生存?
- 批准号:
1605365 - 财政年份:2015
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Collaborative Research: Identifying the Role of Basin-scale Climate Variability in the Decline of Atlantic Corals
合作研究:确定盆地规模的气候变化在大西洋珊瑚减少中的作用
- 批准号:
1537338 - 财政年份:2015
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Toward Predicting the Impact of Ocean Acidification on Net Calcification by a Broad Range of Coral Reef Ecosystems: Identifying Patterns and Underlying Causes
预测海洋酸化对广泛珊瑚礁生态系统净钙化的影响:识别模式和根本原因
- 批准号:
1220529 - 财政年份:2012
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
Constraining Thermal Thresholds and Projections of Temperature Stress on Pacific Coral Reefs Over the 21st Century: Method Refinement and Application
21 世纪太平洋珊瑚礁温度应力的约束热阈值和预测:方法改进和应用
- 批准号:
1031971 - 财政年份:2010
- 资助金额:
$ 42.75万 - 项目类别:
Standard Grant
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