CAREER: Unraveling the evolutionary history of toothed whale acoustic communication
职业:揭开齿鲸声音通讯的进化史
基本信息
- 批准号:2335991
- 负责人:
- 金额:$ 115.65万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2024
- 资助国家:美国
- 起止时间:2024-04-15 至 2029-03-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Toothed whales (dolphins, porpoises, and relatives) are not only among the most acoustically specialized groups of vertebrates, but their communication is potentially one of the most complex in the animal kingdom. This is because toothed whales are open-ended vocal learners, meaning they learn new vocalizations throughout their lifetime. Additionally, their unique sound generator allows them to produce a rich repertoire of acoustic signals. Although toothed whale acoustic signals have been studied extensively for over 70 years, the scope of their vocal repertoire and the underlying factors shaping their repertoire evolution remains largely unknown. This represents an important gap in knowledge that limits our ability to discover the mechanisms underlying the evolution of animal acoustic communication. Furthermore, the question of how diverse toothed whale vocal repertoires are is relevant to the study of animal ecology and behavior, ocean health, and the global economy. Toothed whales are apex predators and ecosystem engineers that contribute to the maintenance of a healthy ocean and local economies. Because they rely almost entirely on sound for their survival, they are vulnerable to human activities that generate underwater noise. By quantifying the makeup of their vocal repertoire and understanding their evolutionary and ecological drivers, this study can improve our ability to monitor their populations and predict the impacts of an increasingly warmer and noisier ocean, particularly in areas where they serve an economic role. The study integrates artificial intelligence and machine learning approaches to quantify toothed whales’ vocal repertoires with phylogenetic tools and field studies, to test hypotheses about the role of social and environmental factors in repertoire diversity and composition. Across the five-year period of the award, the PI will train 105 undergraduates in bioacoustics, animal behavior, and soundscape ecology through a semester Course-based Undergraduate Research Experiences (CURE), ten undergraduate students through a 3-week paid field research experience, two Ph.D. students, one technician, and one postdoc. The PI’s goal is to recruit a diverse student cohort to work in a deeply collaborative format to help students develop feelings of confidence, belonging, equity, and community. By intentionally creating a synergistic environment for exchange of ideas and research opportunities, the program will foster innovation and creativity, empowering students to select careers in STEM and broader job market opportunities within and outside academia. The contribution of this research program is significant because it will generate novel computational approaches with transferable applications to the study of animal communication. This grant was co-funded by the Systematics & Biodiversity Science Cluster, Division of Environmental Biology, and the Behavioral Systems Cluster, Division of Integrative Organismal Systems, Directorate of Biological Sciences.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
齿鲸(海豚,鼠海豚和亲戚)不仅是脊椎动物中声学最专业的群体之一,而且它们的交流可能是动物王国中最复杂的交流之一。这是因为齿鲸是开放式的发声学习者,这意味着它们在一生中都会学习新的发声方式。此外,他们独特的声音发生器使他们能够产生丰富的声音信号。虽然齿鲸的声音信号已经被广泛研究了70多年,但它们的声音曲目范围和形成其曲目演变的潜在因素仍然在很大程度上未知。这代表了知识上的一个重要空白,限制了我们发现动物声学通信进化机制的能力。此外,齿鲸的声音曲目有多多样的问题与动物生态学和行为,海洋健康和全球经济的研究有关。 齿鲸是顶级掠食者和生态系统工程师,有助于维护健康的海洋和当地经济。由于它们几乎完全依赖声音生存,因此它们很容易受到产生水下噪音的人类活动的影响。通过量化它们的声音组成并了解它们的进化和生态驱动因素,这项研究可以提高我们监测它们种群的能力,并预测日益变暖和嘈杂的海洋的影响,特别是在它们发挥经济作用的地区。该研究整合了人工智能和机器学习方法,通过系统发育工具和实地研究来量化齿鲸的声乐曲目,以测试关于社会和环境因素在曲目多样性和组成中的作用的假设。在为期五年的奖项期间,PI将通过一个学期的课程为基础的本科生研究经验(CURE),10名本科生通过3周的带薪实地研究经验,两名博士学位,105名本科生在生物声学,动物行为和声景生态学。学生,一名技术人员和一名博士后。PI的目标是招募一个多元化的学生群体,以深度合作的形式工作,帮助学生培养自信,归属感,公平和社区感。通过有意创造一个交流思想和研究机会的协同环境,该计划将促进创新和创造力,使学生能够在学术界内外选择STEM职业和更广泛的就业市场机会。这项研究计划的贡献是显着的,因为它将产生新的计算方法与可转移的应用程序的动物交流的研究。该奖项由环境生物学部系统生物多样性科学组和生物科学理事会综合有机体系统部行为系统组共同资助。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Laura May Collado其他文献
Laura May Collado的其他文献
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{{ truncateString('Laura May Collado', 18)}}的其他基金
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2246323 - 财政年份:2023
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$ 115.65万 - 项目类别:
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1656460 - 财政年份:2017
- 资助金额:
$ 115.65万 - 项目类别:
Standard Grant
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