Collaborative Research: Whole Ecosystem Experiments on Early Warnings for Regime Shifts to Cyanobacteria in Lakes

合作研究:湖泊蓝藻政权转变早期预警的全生态系统实验

基本信息

  • 批准号:
    1144683
  • 负责人:
  • 金额:
    $ 44.01万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2012
  • 资助国家:
    美国
  • 起止时间:
    2012-02-01 至 2017-01-31
  • 项目状态:
    已结题

项目摘要

While nature often changes slowly, sometimes large changes occur fast. Fisheries collapse, rangelands decline, and invasive species expand rapidly often with high costs to human society. Big changes in ecological systems are difficult to forecast but recent theoretical studies and experiments indicate that they are preceded by early warnings. These early warnings are like economic indicators and can be detected in environmental variables that can be measured frequently. In principle when early warning indicators are detected actions can either avert unwanted changes, like responding to a check engine light in a car, or help minimize risk, like responding to a tornado siren. This project will test the potential to avoid unwanted changes in lakes by detecting early warning signals. Several lakes will be experimentally fertilized with nutrients to create the potential for massive growths of algae. Early warning signals will be detected by continuously monitoring the lakes with modern electronic sensors. In a further experiment, the researchers will respond to signals that indicate impending changes and stop the nutrient additions to one lake in an attempt to avoid algae proliferating to nuisance levels. Treatments to the other lakes will continue so that all possible responses are included.This project will determine if methods for detecting early warnings signals can be developed. The findings from this study will be extended to a network of researchers who have established continuous measurement systems on lakes throughout the world. If successful, the results should be widely applicable for the management of a range of natural systems, not only lakes. The project will train graduate and undergraduate students and contribute to teaching materials for courses at universities in Virginia and Wisconsin, as well as advanced special topics courses at the Cary Institute of Ecosystem Studies in New York.
虽然自然界的变化往往很慢,但有时巨大的变化发生得很快。渔业崩溃,牧场减少,入侵物种迅速扩张,往往给人类社会带来了高昂的代价。生态系统的巨大变化很难预测,但最近的理论研究和实验表明,这些变化之前会有早期预警。这些早期预警就像经济指标一样,可以在可以频繁测量的环境变量中检测到。原则上,当检测到早期预警指标时,采取行动要么可以避免不必要的变化,比如对汽车的发动机指示灯做出反应,要么有助于将风险降至最低,比如对龙卷风警报做出反应。该项目将通过检测预警信号来测试避免湖泊发生不必要变化的可能性。几个湖泊将通过试验性的营养施肥,创造大量藻类生长的可能性。通过现代电子传感器对湖泊进行持续监测,将检测到预警信号。在进一步的实验中,研究人员将对指示即将发生变化的信号做出反应,并停止向一个湖泊添加营养物质,以试图避免藻类繁殖到滋扰水平。对其他湖泊的治理将继续进行,以便包括所有可能的反应。该项目将确定是否可以开发检测早期预警信号的方法。这项研究的发现将扩展到一个研究人员网络,他们已经在世界各地的湖泊上建立了连续测量系统。如果成功,结果应该广泛适用于一系列自然系统的管理,而不仅仅是湖泊。该项目将培训研究生和本科生,并为弗吉尼亚州和威斯康星州的大学课程提供教材,以及纽约卡里生态系统研究所的高级专题课程。

项目成果

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Stephen Carpenter其他文献

Resilience: Now more than ever
  • DOI:
    10.1007/s13280-020-01487-6
  • 发表时间:
    2021-03-15
  • 期刊:
  • 影响因子:
    5.100
  • 作者:
    Carl Folke;Stephen Carpenter;Thomas Elmqvist;Lance Gunderson;Brian Walker
  • 通讯作者:
    Brian Walker
Of Salmon and Dams
鲑鱼和水坝
  • DOI:
    10.1126/science.290.5493.933c
  • 发表时间:
    2000
  • 期刊:
  • 影响因子:
    56.9
  • 作者:
    J. Collie;S. Saila;C. Walters;Stephen Carpenter
  • 通讯作者:
    Stephen Carpenter
Issue : Is there a global tipping point for planet Earth ? Multiscale regime shifts and planetary boundaries
问题:地球是否存在全球临界点?
  • DOI:
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Terry P. Hughes;Stephen Carpenter;Johan Rockströ;M. Scheffer;Brian Walker
  • 通讯作者:
    Brian Walker
Askö 1995: Commentary by Stephen Carpenter
Askö 1995:斯蒂芬·卡彭特的评论
  • DOI:
    10.1007/978-90-481-9476-6_14
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Stephen Carpenter
  • 通讯作者:
    Stephen Carpenter

Stephen Carpenter的其他文献

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{{ truncateString('Stephen Carpenter', 18)}}的其他基金

OPUS: Collaborative Research: Analysis of Cross-Boundary Fluxes, Trophic Cascades and Ecosystem Stability Based on 32 Years of Whole-Lake Experiments
OPUS:合作研究:基于 32 年全湖实验的跨界通量、营养级联和生态系统稳定性分析
  • 批准号:
    1455461
  • 财政年份:
    2015
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Standard Grant
Collaborative Resarch: Terrestrial Support of Lake Food Webs: A Multi-Isotope Approach
合作研究:湖泊食物网的陆地支持:多同位素方法
  • 批准号:
    0917858
  • 财政年份:
    2009
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Standard Grant
FSML: Improving the Chemistry Laboratory Capabilities at the University of Wisconsin Trout Lake Station
FSML:提高威斯康星大学特劳特湖站化学实验室能力
  • 批准号:
    0829323
  • 财政年份:
    2008
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Standard Grant
Collaborative Research: Leading Indicators of Regime Shift - an Ecosystem Experiment
合作研究:政权转变的先行指标——生态系统实验
  • 批准号:
    0715042
  • 财政年份:
    2007
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Standard Grant
Collaborative Research: Terrestrial Carbon Subsidies of Aquatic Food Webs
合作研究:水生食物网的陆地碳补贴
  • 批准号:
    0414258
  • 财政年份:
    2004
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Continuing Grant
DISSERTATION RESEARCH: Ecosystem Drivers of Disease Emergence: Linking Aquatic Eutrophication and Amphibian malformations
论文研究:疾病出现的生态系统驱动因素:水生富营养化与两栖动物畸形的联系
  • 批准号:
    0411760
  • 财政年份:
    2004
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Standard Grant
LTER: Comparative Study of a Suite of Lakes in Wisconsin
LTER:威斯康星州一系列湖泊的比较研究
  • 批准号:
    0217533
  • 财政年份:
    2002
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Continuing Grant
Biocomplexity: Divergent Dynamics: Complex Interactions of Riparian Land, People and Lakes
生物复杂性:发散动态:河岸土地、人类和湖泊的复杂相互作用
  • 批准号:
    0083545
  • 财政年份:
    2000
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Standard Grant
Collaborative Research: Alternative Carbon Source for Lake Food Webs
合作研究:湖泊食物网的替代碳源
  • 批准号:
    0075107
  • 财政年份:
    2000
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Continuing Grant
Comparative Study of a Suite of Lakes in Wisconsin
威斯康星州一组湖泊的比较研究
  • 批准号:
    9632853
  • 财政年份:
    1996
  • 资助金额:
    $ 44.01万
  • 项目类别:
    Continuing Grant

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