Collaborative Research: Synergistic effects of Elevated Carbon Dioxide (CO2) and Temperature on the Metabolism, Growth, and Reproduction of Antarctic Krill (Euphausia Superba)
合作研究:二氧化碳 (CO2) 升高和温度升高对南极磷虾 (Euphausia Superba) 代谢、生长和繁殖的协同效应
基本信息
- 批准号:1246349
- 负责人:
- 金额:$ 25.09万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-05-01 至 2016-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Climate change projections for this century suggest that the Southern Ocean will be the first region to be affected by seawater chemistry changes associated with enhanced carbon dioxide (CO2). Additionally, regions of the Southern Ocean are warming faster than any other locations on the planet. Ocean acidification and warming may act synergistically to impair the performance of different organisms by simultaneously increasing metabolic needs and reducing oxygen transport. However, no studies have measured krill acid-base regulation, metabolism, growth, or reproduction in the context of ocean acidification or synergistic ?greenhouse? conditions of elevated CO2 and temperature. In the present project, the investigators will conduct both short and prolonged exposure experiments at Palmer Station, Antarctica to determine the responses of Euphausia superba to elevated CO2 and temperature. The investigators will test hypotheses related to acid-base compensation and acclimation of various life stages of krill to elevated CO2 and temperature. Furthermore, they will determine these impacts on feeding, respiration, metabolism, growth, and reproduction.The Antarctic krill, Euphausia superba, is a key species in Antarctic food webs as they are a primary food source for many of the top predators in the Southern Ocean including baleen whales, seals, penguins, and other sea birds. This project will determine the responses of Antarctic krill exposed to elevated CO2 and temperature and whether or not krill have the capacity to fully compensate under future ocean conditions. The proposed field effort will be complemented by an extensive broader impact effort focused on bringing marine science to both rural and urban high school students in the Midwest (Kansas). The core educational objectives of this proposal are to 1) instruct students about potential careers in marine science, 2) engage students and promote their interest in the scientific process, critical thinking, and applications of science, mathematics, and technology, and 3) and increase student and teacher awareness and understanding of the oceans and global climate change, with special focus on the Western Antarctic Peninsula region. Finally, this project will engage undergraduate and graduate students in the production, analysis, presentation and publication of datasets.
本世纪的气候变化预测表明,南大洋将是第一个受到与二氧化碳(CO2)增加相关的海水化学变化影响的地区。此外,南大洋各地区变暖的速度比地球上任何其他地方都快。海洋酸化和变暖可能通过同时增加新陈代谢需求和减少氧气运输而协同作用,损害不同生物体的表现。然而,还没有研究在海洋酸化或协同温室的背景下测量磷虾的酸碱调节、新陈代谢、生长或繁殖。二氧化碳和温度升高的条件。在本项目中,研究人员将在南极洲帕尔默站进行短期和长期暴露实验,以确定Euphausia Superba对二氧化碳和温度升高的反应。研究人员将测试与酸碱补偿和磷虾不同生命阶段对升高的二氧化碳和温度的适应有关的假设。此外,他们还将确定这些对摄食、呼吸、新陈代谢、生长和繁殖的影响。南极磷虾是南极食物链中的关键物种,因为它们是南大洋许多顶级捕食者的主要食物来源,包括须鲸、海豹、企鹅和其他海鸟。该项目将确定南极磷虾对二氧化碳和温度升高的反应,以及磷虾是否有能力在未来的海洋条件下进行充分补偿。拟议的实地工作将得到广泛的更广泛的影响努力的补充,重点是将海洋科学带给中西部(堪萨斯州)的农村和城市高中生。这一建议的核心教育目标是:1)指导学生在海洋科学方面的潜在职业;2)吸引学生并促进他们对科学过程、批判性思维以及科学、数学和技术的应用的兴趣;3)提高学生和教师对海洋和全球气候变化的认识和理解,特别是对南极半岛西部地区的认识和理解。最后,该项目将使本科生和研究生参与数据集的制作、分析、介绍和出版。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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Brad Seibel其他文献
Multi-sensor observation of a rapidly dispersing micronekton thin layer
快速分散的微游生物薄层的多传感器观测
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
Benjamin Grassian;Chris Roman;M. Omand;K. Wishner;Brad Seibel - 通讯作者:
Brad Seibel
Poles Apart: The ‘‘Bipolar’’ Pteropod Species Limacina helicina is Poles Apart: The ‘‘Bipolar’’ Pteropod Species Limacina helicina is Genetically Distinct between the Arctic and Antarctic Oceans Genetically Distinct between the Arctic and Antarctic Oceans
两极差异:“双极”翼手足类物种 Limacina helicina 两极差异:“双极”翼手目物种 Limacina helicina 在北冰洋和南极海洋之间存在遗传差异 北冰洋和南极海洋在基因上存在差异
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
Brian Hunt;Jan Strugnell;N. Bednaršek;Katrin Linse;R. J. Nelson;Evgeny Pakhomov;Brad Seibel;Dirk Steinke;Laura Wu¨rzberg - 通讯作者:
Laura Wu¨rzberg
Climate-induced reduction in metabolically suitable habitat for U.S. northeast shelf marine species
气候导致美国东北部陆架海洋物种代谢适宜栖息地减少
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Emily Slesinger;H. du Pontavice;Brad Seibel;Vincent Saba;Josh Kohut;Grace K. Saba - 通讯作者:
Grace K. Saba
Brad Seibel的其他文献
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{{ truncateString('Brad Seibel', 18)}}的其他基金
Collaborative Research: Metabolic habitat barriers imposed on tropical diel vertical migrators
合作研究:对热带昼夜垂直迁徙者施加的代谢栖息地障碍
- 批准号:
2127538 - 财政年份:2022
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Ocean Acidification: Oxygen-limited CO2 Tolerance in Squids (Ommastrephidaw and Loliginidae)
海洋酸化:鱿鱼(Ommastrephidaw 和 Loliginidae)对氧气有限的 CO2 耐受性
- 批准号:
1641200 - 财政年份:2016
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Collaborative Research: Synergistic effects of Elevated Carbon Dioxide (CO2) and Temperature on the Metabolism, Growth, and Reproduction of Antarctic Krill (Euphausia Superba)
合作研究:二氧化碳 (CO2) 升高和温度升高对南极磷虾 (Euphausia Superba) 代谢、生长和繁殖的协同效应
- 批准号:
1641198 - 财政年份:2015
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Ocean Acidification: Oxygen-limited CO2 Tolerance in Squids (Ommastrephidaw and Loliginidae)
海洋酸化:鱿鱼(Ommastrephidaw 和 Loliginidae)对氧气有限的 CO2 耐受性
- 批准号:
1316113 - 财政年份:2013
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Collaborative Research: Hypoxia and the ecology, behavior and physiology of jumbo squid, Dosidicus gigas
合作研究:缺氧与大乌贼 Dosidicus gigas 的生态、行为和生理学
- 批准号:
0851043 - 财政年份:2009
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Collaborative Research: Midwater animal models: Optical measurement of metabolic transitions in pelagic biota
合作研究:中层水域动物模型:远洋生物群代谢转变的光学测量
- 批准号:
0852160 - 财政年份:2009
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Collaborative Research: Impacts of Elevated pCO2 on a Dominant Aragonitic Pteropod (Thecosomata) and its Specialist Predator (Gymnosomata) in the Ross Sea
合作研究:pCO2 升高对罗斯海主要文石翼足类动物 (Thecosomata) 及其专业捕食者 (Gymnosomata) 的影响
- 批准号:
0538479 - 财政年份:2006
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
Collaborative research: physiological limits to vertical migrations of the pelagic, jumbo squid, Dosidicus gigas in the Gulf of California
合作研究:加利福尼亚湾中上层巨型鱿鱼和 Dosidicus gigas 垂直迁移的生理限制
- 批准号:
0526493 - 财政年份:2005
- 资助金额:
$ 25.09万 - 项目类别:
Standard Grant
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