Collaborative Research: Extreme Events and Ecological Acclimation: Scaling from Cells to Ecosystems
合作研究:极端事件和生态适应:从细胞扩展到生态系统
基本信息
- 批准号:1340378
- 负责人:
- 金额:$ 16.67万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2014
- 资助国家:美国
- 起止时间:2014-06-01 至 2016-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Forests are vital natural and economic resources that support habitat for plants and animals, protect water quality, offer opportunities for recreation and provide jobs and wood for people. Forests are sensitive to the effects of climate change including drought, shifts in weather, and invasion by insects. Little is known about the effects of repeated droughts brought on by climate change or how these effects occur from the tree cells to entire regional forests. Droughts in the past decade have occurred across much of the western and southwestern United States. These droughts have led to severe consequences on forests, such as widespread forest die-off. This award will answer a fundamental gap in scientific understanding with profound implications for the future of western U.S. forests. Are trees that survive a severe drought more vulnerable or less vulnerable to the next drought? Over two years, the research will assess water stress and scale these measurements of drought vulnerability from the cell level in individual branches to entire ecosystems across four western States. It will draw on tree-core records, measurements of plant populations, anatomy of tree water transport, and measurements of whole-ecosystem fluxes of carbon and water. The ultimate goal is a predictive framework across different spatial scales that will allow prediction of which forests are most vulnerable and the return frequency of drought that's survivable versus lethal.This project incorporates an extensive commitment to training of scientists at the undergraduate, graduate, post-doctoral, and early-career levels. The project's research will be directly linked with teaching activities by incorporating findings and projects into five undergraduate and two graduate courses across Northern Arizona University, Princeton University, and the University of Nevada, Reno. The research will enable entire continent wide drought monitoring. The research will develop sensor capacity needed for establishing a continent-wide forest drought-monitoring network. The technology developed can aid land managers with the USFS in managing US Forest Lands. High resolution meteorological and plant water status sensors will be developed and deployed, and measurements of forest canopy cover will be made across a broad spatial scale. In addition, these measurements can also supplement the national USFS information such as the Forest Inventory and Analysis program.
森林是重要的自然和经济资源,为动植物提供栖息地,保护水质,提供娱乐机会,并为人们提供就业和木材。森林对气候变化的影响很敏感,包括干旱、天气变化和昆虫入侵。人们对气候变化带来的反复干旱的影响知之甚少,也不知道这些影响是如何从树木细胞到整个区域森林发生的。在过去的十年里,干旱发生在美国西部和西南部的大部分地区。这些干旱给森林带来了严重的后果,比如大面积的森林死亡。这个奖项将填补科学认识上的一个基本空白,对美国西部森林的未来产生深远的影响。在一次严重干旱中幸存下来的树木在下一次干旱中是更脆弱还是更脆弱?在两年多的时间里,这项研究将评估水资源压力,并将这些干旱脆弱性的测量从单个分支的细胞水平扩展到西部四个州的整个生态系统。它将利用树核记录、植物种群测量、树木水分运输解剖以及整个生态系统碳和水通量测量。最终目标是建立一个跨越不同空间尺度的预测框架,从而预测哪些森林最脆弱,以及干旱的复发频率,是生存的还是致命的。该项目包括对本科生、研究生、博士后和早期职业水平的科学家进行广泛的培训。该项目的研究将直接与教学活动联系起来,将研究结果和项目纳入北亚利桑那大学、普林斯顿大学和内华达大学里诺分校的五门本科和两门研究生课程。这项研究将使整个大陆范围的干旱监测成为可能。这项研究将发展建立全大陆森林干旱监测网络所需的传感器能力。开发的技术可以帮助USFS的土地管理者管理美国的森林土地。将开发和部署高分辨率气象和植物水分状况传感器,并在广泛的空间尺度上进行森林冠层覆盖的测量。此外,这些测量还可以补充国家USFS信息,如森林清查和分析计划。
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
专利数量(0)
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George Koch其他文献
Old reserves and ancient buds fuel regrowth of coast redwood after catastrophic fire.
灾难性火灾后,古老的保护区和古老的芽促进了海岸红杉的再生。
- DOI:
10.1038/s41477-023-01581-z - 发表时间:
2023 - 期刊:
- 影响因子:18
- 作者:
D. Peltier;Mariah S Carbone;Melissa Enright;Margaret C Marshall;Amy M. Trowbridge;Jim LeMoine;George Koch;A. Richardson - 通讯作者:
A. Richardson
Using GEDI to improve biomass estimates and understand recent biomass change in the tallest, highest biomass forests in the world .
使用 GEDI 改进生物量估算并了解世界上最高、生物量最高的森林的近期生物量变化。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
Chris Doughty;George Koch;Steve Sillett;Scott Goetz;Hao Tang;Y. Malhi;A. Shenkin - 通讯作者:
A. Shenkin
George Koch的其他文献
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{{ truncateString('George Koch', 18)}}的其他基金
EAGER: Exploratory Studies of Metabolic Water in Plants and Microorganisms
EAGER:植物和微生物代谢水的探索性研究
- 批准号:
1623915 - 财政年份:2016
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
SMP: A Professional Science Master's in Climate Science and Solutions for Nothern Arizona University
SMP:北亚利桑那大学气候科学和解决方案专业科学硕士学位
- 批准号:
1011706 - 财政年份:2010
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
A rapid Assessment of Post-fire Changes in Biophysical Variables, Carbon Stocks, and Soil Microbial Processes in the Tallest Angiosperm Forest
最高被子植物森林火灾后生物物理变量、碳储量和土壤微生物过程变化的快速评估
- 批准号:
1010769 - 财政年份:2010
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
MRI: Acquisition of Off-Axis Integrated-Cavity Output Spectroscopy Instruments for Ecological Research and Training at Northern Arizona University
MRI:北亚利桑那大学购买离轴集成腔输出光谱仪器用于生态研究和培训
- 批准号:
0723250 - 财政年份:2007
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
Collaborative Research: Biophysical and Ecological Constraints on Maximum Tree Height:Insights From the Three Tallest Tree Species.
合作研究:最大树高的生物物理和生态限制:来自三种最高树种的见解。
- 批准号:
0445277 - 财政年份:2005
- 资助金额:
$ 16.67万 - 项目类别:
Continuing Grant
SGER: Manipulations of Upper Crown Water Supply to Assess The Role of Low Water Potential in Limiting The Height Growth of Trees
SGER:通过控制上冠供水来评估低水势在限制树木高度生长方面的作用
- 批准号:
0439042 - 财政年份:2004
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
The Role of Keystone Herbivores in Regulating Ecosystem Function: An Experimental Approach Using Long-Term Herbivore Removals
关键食草动物在调节生态系统功能中的作用:利用长期食草动物清除的实验方法
- 批准号:
9816001 - 财政年份:1999
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
The Mechanism and Magnitude of the Direct Effect of CO2 on Apparent Leaf Respiration in Diverse Plant Species
CO2 对不同植物物种表观叶片呼吸的直接影响的机制和程度
- 批准号:
9514061 - 财政年份:1996
- 资助金额:
$ 16.67万 - 项目类别:
Standard Grant
PRF/J: Carbon and Nitrogen Relations of Plants Native to High-CO2 Habitats
PRF/J:高二氧化碳栖息地植物的碳和氮关系
- 批准号:
8821255 - 财政年份:1989
- 资助金额:
$ 16.67万 - 项目类别:
Fellowship Award
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Research on Quantum Field Theory without a Lagrangian Description
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