| 项目编号: | 1638861
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| 项目名称: | Collaborative Research: Dimensions: Diversification of sensory systems in novel habitats: enhanced vision or compensation in other modalities? |
| 作者: | Johann '; Hans'; Hofmann
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| 承担单位: | University of Texas at Austin
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| 批准年: | 2016
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| 开始日期: | 2016-10-01
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| 结束日期: | 2021-09-30
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| 资助金额: | 325000
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| 资助来源: | US-NSF
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| 项目类别: | Standard Grant
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| 国家: | US
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| 语种: | 英语
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| 特色学科分类: | Biological Sciences - Environmental Biology
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| 英文关键词: | sensory system
; research
; project
; genetic dimension
; research study adaptation
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| 英文摘要: | Understanding what helps and hinders rapid adaptation is crucial to predict organism responses to changing environments. Iceland's dynamic landscape provides a natural laboratory of fast-paced changes shaped by glaciers, volcanoes, and severe oceanic storms. The focus of this project is marine stickleback fish that have colonized multiple freshwater lakes, and thus have evolved in waters differing dramatically in clarity. The research examines sensory system evolution to ask if eyes get better at seeing in murky water, or if fish instead evolve better senses of smell and touch. The project identifies how genes and environment contribute to sensory system adaptation in different environments. The project gives young scientists cutting-edge training in multiple disciplines, generating a scientific workforce to help deal with large-scale environmental issues our society faces. Outreach efforts in museums and schools educate young and old alike on evolutionary changes driven by environmental change.
This research studies adaptation of sight, smell, and touch in extreme sensory environments. It assesses how differences in sensory systems affect survival from predators in murky glacial and clear lakes. The research reveals how genetic variation and gene expression differ, and reconstructs the history of colonization and the extent of parallel evolution of these traits in multiple lakes. It also uses transplant experiments to evaluate the extent of plasticity in sensory systems. This research combines the phenotypic and functional with the genetic dimensions of biodiversity, all within a historical context. Each dimension informs the other to help understand sensory adaptation. |
| 资源类型: | 项目
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/90869
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| Appears in Collections: | 全球变化的国际研究计划
科学计划与规划
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| Recommended Citation: | |
Johann ',Hans',Hofmann. Collaborative Research: Dimensions: Diversification of sensory systems in novel habitats: enhanced vision or compensation in other modalities?. 2016-01-01.
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