DISSERTATION RESEARCH: Spatial and Temporal Patterns of Ponderosa Pine Migration

论文研究：黄松迁移的时空模式

• 批准号: 0910173
• 负责人: Stephen Jackson
• 金额: $ 1.27万
• 依托单位: University of Wyoming
• 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: 2009-07-15 至 2011-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0910173&HistoricalAwards=false
• 关键词: DISSERTATION; RESEARCH; Spatial; Temporal; Patterns

Many species are predicted to shift their ranges over the coming decades in response to changing climate. While much is understood about the climatic controls on species' ranges, little is known about the temporal, ecological, or genetic factors that influence range shifts. This project will examine the expansion of ponderosa pine into the Bighorn Basin of north-central Wyoming to gain an understanding of these factors. This study combines tree-ring analysis and molecular genetic tools to assess species migration and establishment and reveal the patterns of population growth over the landscape over a roughly 500 year time span. Project data will be used to evaluate the ecological and genetic factors that influence colonization, range expansion, and long-term viability of populations at their range margins. The results of this project provide information on how climate change may influence plant migrations and how these migrations in turn may alter ecosystem structure and function at local to regional scales. This project will foster dialogue between the natural resource management and academic communities through organization of a workshop to communicate findings. A high school student will gain research experience and interdisciplinary training through participation in the project.

预计许多物种会在未来几十年中转移其范围，以应对气候变化。尽管对物种范围的气候控制有很多了解，但对影响范围变化的时间，生态或遗传因素知之甚少。该项目将研究黄松的扩展到怀俄明州中北部中西部的大角盆地，以了解这些因素。这项研究结合了树环分析和分子遗传工具，以评估物种迁移和建立，并揭示了大约500年的时间范围内人口增长的模式。项目数据将用于评估影响人群范围内的殖民化，范围扩展和长期生存能力的生态和遗传因素。该项目的结果提供了有关气候变化如何影响植物迁移的信息，以及这些迁移如何依次改变生态系统的结构和功能在本地到区域尺度。该项目将通过组织研讨会来传达发现，促进自然资源管理与学术社区之间的对话。高中生将通过参与该项目获得研究经验和跨学科培训。