PostDoctoral Research Fellowship

博士后研究奖学金

• 批准号: 0817711
• 负责人: Nicole Misarti
• 金额: $ 14.92万
• 依托单位: Misarti Nicole
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-08-01 至 2010-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0817711&HistoricalAwards=false
• 关键词: PostDoctoral; Research; Fellowship

Title: 55° North, 55° South: Effects of global climate change on prehistoric coastal populations and marine ecosystems of the eastern pacificThe archaeological records of the Northeast Pacific and Tierra del Fuego coastlines are well known and provide data critical to understanding the effects of climate change on humans and the marine ecosystems they relied upon. Using thousands of fish, bird, sea mammal and shellfish samples from archaeological sites spanning 5000 years in both regions, stable isotopes of carbon, nitrogen and oxygen will be used to investigate the effects of climate change on marine ecosystems in 100-500 year time scales. These data will be correlated with extant data from archaeological, ice core, pollen, and lake core records to investigate the effects of ecosystem disruptions on human adaptive strategies, the long-term dynamics of marine ecosystems, and marine responses to global and regional climatic events. The data will reveal important long-term relationships between overall marine productivity, oceanic food webs, and climatic change while human responses to these changes will be studied through changes in settlement and demographic patterns, socio-political organization and adaptive strategies. This project is the first comparison of ecosystem and paleoclimate change and human responses to these changes between the sub-Arctic and sub-Antarctic regions. The long-term records can be applied to better understanding how to insure the future of fisheries and the fishing communities themselves in both these areas.

标题：55°北，55°南：全球气候变化对东太平洋史前沿海人口和海洋生态系统的影响东北太平洋和火地岛海岸线的考古记录是众所周知的，为了解气候变化对人类及其所依赖的海洋生态系统的影响提供了至关重要的数据。利用这两个地区跨越5000年的考古遗址中的数千条鱼、鸟、海洋哺乳动物和贝类样本，将使用碳、氮和氧的稳定同位素来调查100-500年时间尺度上气候变化对海洋生态系统的影响。这些数据将与考古、冰芯、花粉和湖泊岩心记录的现有数据相关联，以调查生态系统破坏对人类适应战略的影响、海洋生态系统的长期动态以及海洋对全球和区域气候事件的反应。这些数据将揭示总体海洋生产力、海洋食物网和气候变化之间的重要长期关系，同时将通过改变住区和人口模式、社会政治组织和适应战略来研究人类对这些变化的反应。该项目首次对亚北极和亚南极地区的生态系统和古气候变化以及人类对这些变化的反应进行了比较。长期记录可以用来更好地了解如何在这两个地区确保渔业和渔业社区本身的未来。