Collaborative Research: Integrating Geological, Chemical, and Biological Processes: Implications for Ecological Succession on the East Pacific Rise

合作研究：整合地质、化学和生物过程：对东太平洋海隆生态演替的影响

• 批准号: 0937324
• 负责人: George Luther
• 金额: $ 3.65万
• 依托单位: University of Delaware
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-09-01 至 2010-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0937324&HistoricalAwards=false
• 关键词: Collaborative; Research; Integrating; Geological; Chemical

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).The goal of the Integrated Studies theme of the Ridge 2000 (R2K) Program is to understand the interdependence of component linkages of the mid-ocean ridge system, including the impact of hydrothermal fluid flux on the overlying biological system. In 2003, the investigators initiated integrated multidisciplinary studies to investigate the geochemical-biological interactions, faunal succession, and microbial colonization of basalt at deep-sea hydrothermal vents. Between 2004 and 2005, they conducted navigated down-looking image surveys, deployed digital time-lapse camera systems, examined habitat variability using submersible-mounted and autonomous in-situ chemical sensors, sampled microbial and macrofaunal communities in diffuse-flow vent habitats chemically characterized and occupied by different foundation species (i.e., Riftia pachyptila and Bathymodiolus thermophilus). They also designed and conducted mussel-clearance and exclusion-cage experiments to investigate the variability of vent fluid flux and chemistry in controlling ecological succession. However, on-going studies and deployed experiments were destroyed by seafloor eruption(s) in late 2005/early 2006. Through the opportunity of this eruptive event, in particular the initiation of venting and fresh lava substrates for colonization, the investigators continued their studies of the fundamental linkages and interaction of fluid chemistry, microbial communities, and macrofauna through additional photographic documentation, diverse habitat sampling, and deployment of a integrated colonization experiment. Through continued multi-disciplinary data integration, they will fully achieve their initial goals by characterizing the pre- and post-eruption environmental context of chemical, microbial and metazoan colonization over time, with the additional goal of identifying the relevant scales of integration and synthesis of our ecological observations and experiments for future investigations of community dynamics at hydrothermal vents. To maximize active interaction and integration of our multi-disciplinary data, they have coordinated their experimental design with seismologists and chemists working at the R2K EPR ISS and have focused their integrated habitat characterization, in situ chemistry, and colonization studies on discrete vent fields and regions of interest to various on-going and proposed programs. More broadly, the continued integration and synthesis of microbial, faunal, and chemical interactions will provide information that significantly advances our knowledge on the establishment, development, and maintenance of populations in patchy and ephemeral environments and will begin the process of enabling these linkages to be parameterized in models of energy and mass transfer through vent habitats and into the ocean.The research objectives fit well with the themes and current goals of the Ridge 2000 Program, and to enable others to fully integrate our datasets in other synthesis efforts, the investigators have posted their field data and will continue to upload derived data from shore-based analyses, including annual reports of diffuse fluid temperature and chemical variations, vent imagery and analysis, and preliminary results of the characterization of microbial and metazoan communities to the R2K Data Portal and participate in upcoming R2K workshops. All of the PIs are committed to involvement in educational and public outreach activities, including the mentorship of students and early-career scientists. They will continue to provide the R2K Education and Public Outreach coordinator with curriculum materials (e.g., integrative graphics and lecture presentations) for the FLEXE (From Local to EXtreme Environments) program, an innovative program formally partnered with GLOBE, a large-scale, web-based, international science education program that joins students, teachers and scientists in studying earth systems science. An additional component of our proposed effort will be supporting formal and informal education and outreach activities associated with the IMAX film Volcanoes of the Deep Sea. Over the coming years, the film will be playing at numerous IMAX theaters throughout the world and a DVD version of the film has been released and disseminated to K12 educators across the United States. The investigators understand the necessity of reaching and exciting the broader public, and envision that the results of their work will provide a powerful educational supplement to materials already designed to be an integral part of educational activities to classroom curricula throughout the United States.

该奖项是根据2009年的《美国复苏与再投资法》（公法111-5）资助的。山脊2000（R2K）计划的综合研究主题的目标是了解中元山脊系统的组件联系的相互依存关系，包括水热流体对上层生物学系统的影响。 2003年，研究人员启动了综合多学科研究，以研究深海水热通风孔的玄武岩的地球化学相互作用，动物传统和微生物定植。在2004年至2005年之间，他们进行了导航的外观俯视图像调查，部署的数字延时摄像机系统，使用潜水的和自主的现场化学传感器检查栖息地变异性，在漫游不平的栖息地（i.ee and oftio and of bather）（i.ee pach and Pachiia）（i.ee，i.ee，reiftia）中，微生物和大型群社区取样的微生物和大型群落群落，i.ee，refiftia，refift。嗜热）。他们还设计并进行了贻贝清除率和排除笼实验，以研究控制生态继承过程中排气流体通量和化学的变化。然而，在2005年底/2006年初，海底喷发破坏了正在进行的研究和部署的实验。通过这一喷发事件的机会，特别是启动排气和新鲜的熔岩底物进行定殖，调查人员继续研究了对流体，多样性的相互作用，微生物和麦克拉群岛的基本联系和相互作用的研究综合定植实验的部署。通过持续的多学科数据集成，它们将通过表征随着时间的流逝的化学，微生物和后生动物殖民的爆发前和发作的环境环境，并为我们的生态观察和实验确定相关的整合量表，以识别我们的生态观察和实验的相关尺度，以实现与水平疗法的社区动态研究的未来研究。为了最大程度地利用我们的多学科数据的积极相互作用和整合，他们与在R2K EPR IS上工作的地震学家和化学家协调了实验设计，并将其集成的栖息地表征，原位化学，殖民化学研究和殖民研究集中在各种正在进行的和建议的计划上的离散vent和地区。更广泛地说，微生物，动物和化学相互作用的持续整合和综合将提供信息，可以显着提高我们在斑点和短暂环境中人口的建立，发展和维持方面的知识，并将开始使这些链接能够在能量和大众中逐渐适应启用的能量和大量的目标。 to fully integrate our datasets in other synthesis efforts, the investigators have posted their field data and will continue to upload derived data from shore-based analyses, including annual reports of diffuse fluid temperature and chemical variations, vent imagery and analysis, and preliminary results of the characterization of microbial and metazoan communities to the R2K Data Portal and participate in upcoming R2K workshops.所有的PI都致力于参与教育和公共外展活动，包括学生和早期职业科学家的指导。他们将继续为R2K教育和公共外展协调员提供课程材料（例如，综合图形和讲座演示），为Flexe（从本地到极端环境）计划，这是一项与Globe正式合作的创新计划，该计划与大规模的，网络，基于网络的，基于网络的，国际科学教育计划，旨在加入学生，教师，教师，教师，教师和科学家研究地球体系科学。我们拟议的努力的另一个组成部分将是支持与深海IMAX电影火山相关的正规和非正式教育和外展活动。在接下来的几年中，这部电影将在世界各地的众多IMAX剧院上映，并将这部电影的DVD版本发行并传播给美国各地的K12教育者。调查人员了解到达到和激发更广泛的公众的必要性，并设想他们的工作结果将为已经设计的材料提供强大的教育补充，以成为整个美国课堂课程的教育活动的组成部分。