BE/CNH: Understanding and Modeling the Scope for Adaptive Management in Agroecosystems in the Pampas: Response to Interannual and Decadal Climate Variability and Other Risk Factors

BE/CNH:了解潘帕斯草原农业生态系统适应性管理的范围并对其进行建模:对年际和十年间气候变化和其他风险因素的响应

基本信息

  • 批准号:
    0410348
  • 负责人:
  • 金额:
    $ 160万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2004
  • 资助国家:
    美国
  • 起止时间:
    2004-09-01 至 2010-02-28
  • 项目状态:
    已结题

项目摘要

Agricultural ecosystems combine the complexity, multiplicity of scales, and feedbacks of biophysical interactions in natural ecosystems with the additional intricacies of human decision making. Climate variability is one of the top sources of risk to agricultural production. In particular, climate fluctuations on seasonal-to-interannual and interdecadal scales are relevant to decision-making, resource management, and infrastructure planning. On seasonal-to-interannual scales, the emerging ability to forecast regional climate variability associated with the El Nino-Southern Oscillation (ENSO) phenomenon offers a natural laboratory to learn how a complex system such as agriculture may respond. An excellent site to study such responses is the Pampas of central-eastern Argentina, a major agricultural region that shows marked interannual and interdecadal climate signals. On interdecadal scales, an increase in spring-summer precipitation since the 1970s has contributed to significant changes in land-use patterns and a large increase in Argentine agricultural output. There are growing concerns about the environmental consequences and the sustainability of production and life support systems, however. This interdisciplinary research project will address these issues, which are part of the dynamic interactions of natural and human components in agroecosystems. Special emphasis will be placed on assessing the scope for adaptive management in response to newly available knowledge on climate variability and recent insights on human decision making. The project will (1) map key components of the decision landscape in agricultural systems of the Pampas; (2) build plausible scenarios of interannual and interdecadal climate variability; (3) assess impacts and outcomes of climate variability; (4) seek to understand how probabilistic climate information and uncertainty about outcomes are received and acted upon; (5) explore best practices for the design and communication of climate information and the characterization of uncertainty; (6) assess consequences on natural systems of human actions; and (7) conduct a self-reflective analysis of factors that promote or impede integrative science research and outreach with stakeholder participation. The project involves linked modeling approaches for generation of climate scenarios and decision outcomes, controlled experiments on decision making and behavior, and participatory research that will draw on contextual knowledge and agricultural stakeholders' experiences and preferences.The link between climate variability and decision making is a fundamental issue that influences resource management in many regions and sectors. This project will provide an integrated analysis of an important and prevalent complex system (agricultural production) that involves interactions between several natural and human systems. From a perspective of scientific innovation, the project will develop conceptual and procedural approaches to bridge the spatial and temporal scales of climate scenarios and the scales associated with regional impact assessment and resource management. Scale mismatch has been at the heart of problems of climate impact assessment. The project will include a fully probabilistic characterization of uncertainty based on modern statistical and computational techniques. The availability of uncertainty estimates will enhance the salience of project findings for stakeholders. Finally, a reflective analysis of the challenges of interdisciplinary, multiple-place collaboration, and stakeholder involvement in integrative science will stimulate theory development relevant to biocomplexity problems elsewhere. The similarity in production scale, crops grown, and technology of the Pampas to those in other major production areas (such as the U.S. Midwest, Brazil, and Canada) with comparable climate signals suggest a broader relevance of results from the project. This project is supported by an award resulting from the FY 2004 special competition in Biocomplexity in the Environment focusing on the Dynamics of Coupled Natural and Human Systems.
农业生态系统将自然生态系统中生物物理相互作用的复杂性、多样性和反馈与人类决策的额外错综复杂结合在一起。气候多变性是农业生产的最大风险来源之一。特别是,季节到年际和年代际尺度上的气候波动与决策、资源管理和基础设施规划有关。在季节到年际尺度上,预测与厄尔尼诺-南方涛动(ENSO)现象有关的区域气候变异性的新能力为研究农业等复杂系统可能如何反应提供了一个天然的实验室。研究这种反应的绝佳地点是阿根廷中东部的潘帕斯,这是一个显示出明显的年际和年代际气候信号的主要农业区。在年代际尺度上,自1970年代以来春夏降水量的增加促进了土地利用模式的重大变化和阿根廷农业产量的大幅增加。然而,人们越来越担心环境后果以及生产和生命支持系统的可持续性。这一跨学科研究项目将解决这些问题,这些问题是农业生态系统中自然和人类成分动态相互作用的一部分。将特别重视评估适应管理的范围,以回应关于气候变化的新知识和对人类决策的最新见解。该项目将:(1)绘制潘帕斯大草原农业系统决策格局的主要组成部分;(2)建立年际和年代际气候变异性的合理情景;(3)评估气候变异性的影响和结果;(4)设法了解如何接收和处理气候信息的概率和不确定性;(5)探讨设计和交流气候信息和不确定性的最佳做法;(6)评估人类行动对自然系统的影响;(7)对促进或阻碍综合性科学研究和推广以及利益攸关方参与的外联活动的因素进行自我反思分析。该项目涉及气候情景和决策结果的关联建模方法,决策和行为的受控实验,以及将利用背景知识和农业利益攸关方的经验和偏好进行参与性研究。气候变异性与决策之间的联系是影响许多地区和部门资源管理的根本问题。该项目将对一个重要而普遍的复杂系统(农业生产)进行综合分析,该系统涉及几个自然和人类系统之间的相互作用。从科学创新的角度来看,该项目将制定概念和程序办法,以弥合气候情景的空间和时间尺度以及与区域影响评估和资源管理相关的尺度。规模不匹配一直是气候影响评估问题的核心。该项目将包括以现代统计和计算技术为基础的不确定性的完全概率特征。不确定性估计的可获得性将提高项目结果对利益攸关方的重要性。最后,对跨学科、多地点合作和利益相关者参与综合科学的挑战进行反思分析,将促进与其他地方的生物复杂性问题相关的理论发展。潘帕斯的生产规模、作物种植和技术与其他主要产区(如美国中西部、巴西和加拿大)的生产规模、作物种植和技术相似,具有类似的气候信号,这表明该项目成果具有更广泛的相关性。该项目得到了2004财年环境中生物复杂性特别竞赛的一个奖项的支持,该竞赛的重点是自然和人类耦合系统的动态变化。

项目成果

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Guillermo Podesta其他文献

Guillermo Podesta的其他文献

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{{ truncateString('Guillermo Podesta', 18)}}的其他基金

CNH: From Farm Management to Governance of Landscapes: Climate, Water, and Land-Use Decisions in the Argentine Pampas
CNH:从农场管理到景观治理:阿根廷潘帕斯草原的气候、水和土地利用决策
  • 批准号:
    1211613
  • 财政年份:
    2012
  • 资助金额:
    $ 160万
  • 项目类别:
    Standard Grant
Collaborative Research:Integration of Decadal Climate Predictions, Ecological and Human Decision-Making Models to Support Climate-Resilient Agriculture in the Argentine Pampas
合作研究:十年气候预测、生态和人类决策模型的整合,支持阿根廷潘帕斯草原的气候适应型农业
  • 批准号:
    1049109
  • 财政年份:
    2011
  • 资助金额:
    $ 160万
  • 项目类别:
    Standard Grant
CNH: Collaborative Research: Interactions Between Changing Climate and Technological Innovations in Agricultural Decision Making: Implications for Land Use and Sustainability
CNH:合作研究:气候变化与农业决策技术创新之间的相互作用:对土地利用和可持续性的影响
  • 批准号:
    0709681
  • 财政年份:
    2007
  • 资助金额:
    $ 160万
  • 项目类别:
    Standard Grant
BE/CNH: Climate Information and Forecasts in Agricultural Production Systems of the Argentine Pampas: Planning for Their Effective Use in Decision Making
BE/CNH:阿根廷潘帕斯草原农业生产系统的气候信息和预测:规划其在决策中的有效利用
  • 批准号:
    0119851
  • 财政年份:
    2001
  • 资助金额:
    $ 160万
  • 项目类别:
    Standard Grant
Regional Assessment of the Effect of ENSO-Related Climate Variability on the Agricultural Sector of Argentina and Uruguay-Implication for Adoption of Climate Forecasts
与 ENSO 相关的气候变率对阿根廷和乌拉圭农业部门影响的区域评估——对采用气候预报的影响
  • 批准号:
    9711629
  • 财政年份:
    1997
  • 资助金额:
    $ 160万
  • 项目类别:
    Continuing Grant
South Atlantic Confluence Data Analysis
南大西洋汇流数据分析
  • 批准号:
    9102112
  • 财政年份:
    1991
  • 资助金额:
    $ 160万
  • 项目类别:
    Continuing Grant

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