Stable Carbon and Nitrogen Isotope Analysis of Eastern Canadian Arctic Populations with 14C Chronologies

加拿大东部北极种群的 14C 年代的稳定碳和氮同位素分析

• 批准号: 9726126
• 负责人: Joan Coltrain
• 金额: $ 9.89万
• 依托单位: University of Utah
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-02-01 至 2000-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9726126&HistoricalAwards=false
• 关键词: Stable; Carbon; Nitrogen; Isotope; Analysis

Stable Carbon and Nitrogen Isotope analysis of Eastern Canadian Arctic Populations with 14C Chronologies The role of bowheads whales (Balaena mysticetus) in eastern Arctic economies has been a topic of particular interest over the past two decades. It is widely recognized that the composition of animal bone assemblages from sites under study is not representative of bowhead predation intensities. Proposed research will address this issue, employing stable carbon and nitrogen isotope chemistry to analysis a series of Dorset, Thule and proto-historic skeletal remains for dietary differences. Stable isotope techniques are well suited to distinguish intake of caribou from marine mammals and marine planktivores, such as bowheads, from marine carnivores in sampled populations. Radiocarbon dating will establish temporal affiliation.

加拿大东部北极种群14C年代学的稳定碳和氮同位素分析 北极露脊鲸（Balaena mysticetus）在北极东部经济中的作用是过去二十年来特别感兴趣的一个主题。 人们普遍认为，动物骨骼组合从网站正在研究的组成是不代表弓头鲸捕食强度。 拟议的研究将解决这一问题，采用稳定的碳和氮同位素化学分析一系列的多塞特，图勒和原始历史的骨骼遗骸的饮食差异。 稳定同位素技术非常适合于区分驯鹿和海洋哺乳动物的摄入量，以及在采样种群中区分弓头鲸等海洋食肉动物和海洋食肉动物的摄入量。 放射性碳测年法将确定时间关系。