Dissertation Research: Species Distributions and Population Structure of Escarpia Cold Seep Vestimentiferans

论文研究：Escarpia Cold Seep Vestementiferans 的物种分布和种群结构

• 批准号: 1209688
• 负责人: Stephen Schaeffer
• 金额: $ 1.5万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-06-01 至 2014-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1209688&HistoricalAwards=false
• 关键词: Dissertation; Research; Species; Distributions; Population

Deep-sea hydrocarbon cold seeps are unlike most environments on Earth, as life there is not reliant on the sun for energy. Despite the lack of sunlight, cold seeps support a diverse collection of organisms that rely on the seepage of oil and gas from the sea floor. Tubeworms are a group of animals that are important for these habitats as they form bushes that provide food, living space and protection for a variety of other animals. Due to their dependence on irregularly occurring seepage, tubeworm communities can be separated by hundreds of kilometers. Currently, there is little information available about how tubeworms are transported to inhabit these patchy environments. The proposed research will identify different tubeworm species as well as determine how transport and colonization of tubeworms connects the various cold seep sites in the Gulf of Mexico, West Angolan Basin (West Africa) and the eastern Pacific off of California. This research uses genetic tools and environmental data to improve human understanding of how unique cold seep communities are established and maintained.Cold seep organisms use oil and gas as energy sources, illustrating that life can thrive even under the most extreme conditions. This work will determine how natural and anthropogenic factors impact these specialized ecosystems. Given that the future of deep-sea habitats remains uncertain, it is critical to increase knowledge of these organisms, as they are vital to the foundation of these remarkable habitats.

深海碳氢化合物冷渗漏与地球上的大多数环境不同，因为那里的生命不依赖太阳的能量。尽管缺乏阳光，但冷泉支持着依赖海底石油和天然气渗出的各种生物。管虫是一群对这些栖息地很重要的动物，因为它们形成灌木丛，为各种其他动物提供食物，生活空间和保护。由于它们依赖于不规则发生的渗漏，管虫群落可以相隔数百公里。目前，关于管虫如何被运送到这些不完整的环境中栖息的信息很少。拟议的研究将确定不同的管虫物种，并确定管虫的运输和殖民地如何连接墨西哥湾，西安哥拉盆地（西非）和加州外的东太平洋的各种冷泉点。这项研究使用遗传工具和环境数据，以提高人类对独特的冷泉群落是如何建立和维持的理解。冷泉生物使用石油和天然气作为能源，说明即使在最极端的条件下，生命也可以茁壮成长。这项工作将确定自然和人为因素如何影响这些专门的生态系统。鉴于深海生境的未来仍然不确定，增加对这些生物的了解至关重要，因为它们对这些非凡的生境的基础至关重要。