Collaborative Research: An International Professional-Development Workshop in Dendrochronology: North American Dendroecological Fieldweek (NADEF)

合作研究：树木年代学国际专业发展研讨会：北美树木生态学现场周（NADEF）

• 批准号: 1061808
• 负责人: James Speer
• 金额: $ 20.64万
• 依托单位: Indiana State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-05-01 至 2017-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1061808&HistoricalAwards=false
• 关键词: Collaborative; Research; International; Professional; Development

The North American Dendroecological Fieldweek (NADEF) has been providing advanced education in tree-ring research through project-based learning for 20 years. The current project will provide funding for the next five years to acquire state-of-the-art equipment and includes funds to offset participant fees to students to make attendance easier for undergraduate and graduate students. Tree-ring research (or dendrochronology) uses the annual growth of trees to record environmental variables such as climate, fires, or insect outbreaks. Anything that affects tree-growth could potentially be dated using tree rings. The fieldweek teaches the skills of crossdating (matching the pattern of wide and narrow rings to apply exact dates to every ring) and the statistical techniques necessary to interpret what is affecting tree growth by using hands-on teaching techniques that enable learners to understand the process more fully and to comprehend the practice of dendrochronology on a research project from start to finish. NADEF is a nine-day workshop that has approximately 40 participants. The participants choose to become a member of the research team on one of five original research projects that are conducted during the fieldweek under the guidance of experienced dendrochronologists. Participants are divided into groups on fire history, climate reconstruction, stand-age structure, insect outbreak histories, dating archaeological dwellings, among other activities. With respect to broader impacts, the fieldweeks have given researchers as well as undergraduate and graduate students the opportunity to interact and network with others. Furthermore, the research that is completed each year contributes to the local resource management knowledge base and can grow into long-term research agendas. Past fieldweek projects have also been the kernel for further work on a thesis or dissertation and have become published papers. As the fieldweek comes to an end, participants from each group present their findings back to the whole group and turn in a short research paper describing their methods and findings.

北美树木生态实地周 (NADEF) 20 年来一直通过基于项目的学习提供树木年轮研究的高级教育。 当前的项目将为未来五年提供资金，用于购买最先进的设备，并包括抵消学生参加费用的资金，以使本科生和研究生更容易​​入学。 树木年轮研究（或树木年代学）利用树木的年度生长来记录气候、火灾或昆虫爆发等环境变量。 任何影响树木生长的事物都可以通过树木年轮来确定年代。 Fieldweek 教授交叉约会的技能（匹配宽环和窄环的模式，以将精确的日期应用于每个环）以及解释影响树木生长的因素所必需的统计技术，通过使用实践教学技术，使学习者能够更全面地理解该过程，并从开始到结束的研究项目中理解树木年代学的实践。 NADEF 是一个为期 9 天的研讨会，约有 40 名参与者。参与者选择成为研究团队的成员，参与五个原创研究项目之一，这些项目在实地周期间在经验丰富的树木年代学家的指导下进行。 参与者被分为不同的小组，主题包括火灾历史、气候重建、年龄结构、昆虫爆发历史、考古住宅年代测定等。就更广泛的影响而言，实地考察周为研究人员以及本科生和研究生提供了与他人互动和建立联系的机会。此外，每年完成的研究有助于当地资源管理知识库的发展，并可以发展成为长期的研究议程。过去的现场周项目也是论文或论文进一步工作的核心，并已发表论文。 当实地考察周结束时，每个小组的参与者向整个小组展示他们的发现，并提交一篇简短的研究论文，描述他们的方法和发现。