NSF Postdoctoral Fellowship in Biology FY 2017: THE ROLE OF THE NORTH AMERICAN MONSOON IN THE ANNUAL MOLT OF MIGRATORY BIRDS
2017 财年 NSF 生物学博士后奖学金:北美季风在候鸟每年换羽中的作用
基本信息
- 批准号:1711245
- 负责人:
- 金额:$ 13.8万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Fellowship Award
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-09-01 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This is an NSF Postdoctoral Research Fellowship in Biology for FY, under the program Research Using Biological Collections. The fellowship supports research and training of the fellow that will utilize biological collections in innovative ways. The research will study how migratory birds use a seasonal rainfall event, the North American Monsoon (NAM), for resources in their annual feather replacement. Many species of birds that breed in Western North America use this monsoon as a region to replace their feathers, but where these birds come from, and how dependent they are on these monsoonal rains, is not well understood. Replacing feathers is important for birds, and all birds replace their feathers at least once a year. Migratory birds face the challenge of breeding, molting, and fueling for migration throughout the year. Breeding and migration have been well studied in these birds, but little research has been dedicated to molt. Furthermore, climate change is affecting the timing and intensity of the monsoon, and there is currently no data that can inform how this will affect the birds that use the monsoon for feather molt, and this study will combine analysis of the genomes of birds with a unique collection of specimens from this region to assess how birds use the monsoon for feather molt. To understand how various populations employ this strategy, the fellow will establish the migratory connectivity of birds using this region to molt by constructing a reference database of genomic DNA from breeding populations of 13 species of birds that are known to follow this molt migration strategy, then sequencing DNA from molting birds in the NAM region. These data will allow the fellow to understand the relative proportions of breeding populations using this molt-migration strategy. The fellow will also investigate how the NAM has influenced molt phenology and plasticity of molt timing and location by conducting this migratory connectivity analysis in two species of common molt-migrants across a time series spanning 80 years from a heritage collection at Occidental College. Occidental College houses the largest collection of birds from Mexico in the world, and is active in development and use of ultraconserved elements (UCEs) for phylogenetic and population inference; and is the ideal setting for this research. The fellow will be trained in field and laboratory techniques in specimen preparation and DNA extraction, as well as mentoring and publication skills, and specimen curatorial and data analysis.
这是美国国家科学基金会在生物学博士后研究奖学金的财政,根据该计划的研究使用生物收集。该研究金支持研究员的研究和培训,以创新的方式利用生物收藏。这项研究将研究候鸟如何利用季节性降雨事件,北美季风(NAM),在他们的年度羽毛更换资源。 在北美西部繁殖的许多鸟类都利用这个季风区来更换羽毛,但这些鸟类从何而来,以及它们对季风雨的依赖程度,目前还不清楚。更换羽毛对鸟类很重要,所有鸟类每年至少更换一次羽毛。候鸟全年都面临着繁殖、换羽和为迁徙加油的挑战。繁殖和迁徙已经在这些鸟类中得到了很好的研究,但很少有研究致力于蜕皮。此外,气候变化正在影响季风的时间和强度,目前还没有数据可以说明这将如何影响利用季风进行羽毛换羽的鸟类,这项研究将联合收割机结合对鸟类基因组的分析和对该地区独特标本的收集,以评估鸟类如何利用季风进行羽毛换羽。为了了解不同种群如何采用这种策略,该研究员将通过构建已知遵循这种蜕皮迁移策略的13种鸟类繁殖种群的基因组DNA参考数据库,建立鸟类使用该区域蜕皮的迁移连接性,然后对NAM地区蜕皮鸟类的DNA进行测序。这些数据将使研究员了解使用这种蜕皮迁移策略的繁殖种群的相对比例。该研究员还将调查如何不结盟运动影响蜕皮物候和蜕皮时间和位置的可塑性进行这种迁移连接分析在两个物种的共同蜕皮移民跨越时间序列跨越80年的遗产收集在西方学院。西方学院拥有世界上最大的墨西哥鸟类收藏,并积极开发和使用超保守元素(UCEs)进行系统发育和种群推断;是这项研究的理想环境。该研究员将接受标本制备和DNA提取方面的实地和实验室技术培训,以及指导和出版技能、标本管理和数据分析方面的培训。
项目成果
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