Collaborative Research: Energy Sources for Reproduction and Development in a Cold-Seep Mixotrophic Mussel
合作研究:冷泉混合营养贻贝繁殖和发育的能源
基本信息
- 批准号:0118733
- 负责人:
- 金额:$ 42.19万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-01-01 至 2002-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Heterotrophic deep-sea animals require a downward flux of material in order to survive and reproduce, whereas animals with chemoautotrophic symbionts at hydrothermal vents or cold seeps should theoretically be capable of producing gametes more-or-less continuously without the benefit of surface-derived detritus. Mixotrophic mussels at cold seeps are intermediate between these two situations. They can grow and survive using only methane or sulfide as an energy source, but are also capable of filter-feeding on detrital particles or plankton in the benthic boundary layer. Available evidence suggests that supplemental filtration on bacterioplankton may be necessary to provide sufficient nitrogen to the mussels. The cold-seep mussel Bathymodiolus childressi, which lives at methane seeps on the Louisiana slope, demonstrates periodic rather than continuous reproduction, a pattern not predicted by the commonly accepted paradigm that food limitation controls reproductive timing in the deep sea. Thus, mixotrophic mussels present a unique opportunity to investigate the role of detrital input in the control of gametogenic timing in the deep sea. Lipid biomarkers and compound specific stable isotopes will be used to determine if energy from surfacederived detritus is differentially partitioned between the gonads and somatic tissues of B. childressi. In the deep-sea megafauna, seasonal breeders virtually always produce feeding larvae, suggesting a possible mechanistic or evolutionary link between surface production and larval success. Crisp's rule, the prediction that animals with planktotrophic larvae will time their breeding to assure optimal nutrition for the larvae, is one such possible link. Crisp's Rule will be examined in this study by rearing the larvae of B. childressi in natural water collected at various depths.
异养深海动物需要向下流动的物质才能生存和繁殖,而在热液喷口或冷泉处具有化能自养共生体的动物理论上应该能够或多或少连续地产生配子,而不需要表面产生的碎屑。在冷泉混合营养贻贝是这两种情况之间的中间。它们可以只利用甲烷或硫化物作为能源来生长和生存,但也能够滤食底栖边界层的碎屑颗粒或浮游生物。现有证据表明,补充过滤浮游细菌可能是必要的,以提供足够的氮的贻贝。生活在路易斯安那州斜坡甲烷渗漏处的冷渗漏贻贝Bathymodiolus childressi表现出周期性而不是连续性的繁殖,这种模式不是由普遍接受的范式预测的,即食物限制控制深海的繁殖时间。因此,混合营养贻贝提供了一个独特的机会,调查在深海配子发生时间的控制碎屑输入的作用。脂质生物标志物和化合物特异性稳定同位素将用于确定来自表面衍生碎屑的能量是否在B的性腺和体细胞组织之间差异分配。孩子们在深海巨型动物群中,季节性繁殖者几乎总是产生喂养的幼虫,这表明在表面生产和幼虫成功之间可能存在机械或进化联系。克里斯普法则(Crisp's rule)是一种可能的联系,它预测了有营养不良幼虫的动物会选择繁殖的时间,以确保幼虫获得最佳营养。本研究将通过饲养B的幼虫来检验克里斯普法则。childressi在自然水中收集在不同的深度。
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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Craig Young其他文献
Pre-Participation Medical Evaluation for Adventure and Wilderness Watersports
- DOI:
10.1016/j.wem.2015.09.008 - 发表时间:
2015-12-01 - 期刊:
- 影响因子:1.2
- 作者:
Andrew T. Nathanson;Justin Mark J. Young;Craig Young - 通讯作者:
Craig Young
Local government, local economic development and quality of life in Poland
- DOI:
10.1023/a:1007197330116 - 发表时间:
2000-01-01 - 期刊:
- 影响因子:1.900
- 作者:
Craig Young;Sylwia Kaczmarek - 通讯作者:
Sylwia Kaczmarek
Heritage tourism in Central and Eastern Europe
中欧和东欧的遗产旅游
- DOI:
10.4324/9780203877753-23 - 发表时间:
2009 - 期刊:
- 影响因子:13.2
- 作者:
D. Light;Craig Young;Mariusz Czepczyn´Ski - 通讯作者:
Mariusz Czepczyn´Ski
Intra-urban connectedness, policy mobilities and creative city-making: national conservatism vs. urban (neo)liberalism
城市内连通性、政策流动性和创意城市建设:国家保守主义与城市(新)自由主义
- DOI:
10.1177/0969776420913096 - 发表时间:
2020 - 期刊:
- 影响因子:3.1
- 作者:
T. Borén;P. Grzyś;Craig Young - 通讯作者:
Craig Young
SEMIOTICS AND GEOSEMIOTICS IN VEXILLOLOGICAL UNDERSTANDING
旗帜学理解中的符号学和地地符号学
- DOI:
- 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
D. Medway;D. Light;G. Warnaby;John Byrom;Craig Young - 通讯作者:
Craig Young
Craig Young的其他文献
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{{ truncateString('Craig Young', 18)}}的其他基金
Using media and technology to advance public awareness of research on microscopic larvae in the deep ocean
利用媒体和技术提高公众对深海微小幼虫研究的认识
- 批准号:
2215692 - 财政年份:2022
- 资助金额:
$ 42.19万 - 项目类别:
Continuing Grant
Collaborative Research: dispersal depth and the transport of deep-sea, methane-seep larvae around a biogeographic barrier
合作研究:生物地理屏障周围深海甲烷渗漏幼虫的扩散深度和运输
- 批准号:
1851383 - 财政年份:2019
- 资助金额:
$ 42.19万 - 项目类别:
Standard Grant
Collaborative Research: the impact of symbiont-larval interactions on species distributions across southwestern Pacific hydrothermal vents
合作研究:共生体-幼虫相互作用对西南太平洋热液喷口物种分布的影响
- 批准号:
1737145 - 财政年份:2018
- 资助金额:
$ 42.19万 - 项目类别:
Standard Grant
On encountering corpses: political, socio-economic and cultural aspects of contemporary encounters with dead bodies.
关于遭遇尸体:当代遭遇尸体的政治、社会经济和文化方面。
- 批准号:
ES/M002071/1 - 财政年份:2014
- 资助金额:
$ 42.19万 - 项目类别:
Research Grant
Modernization and expansion of seawater facilities at the Oregon Institute of Marine Biology
俄勒冈海洋生物研究所海水设施的现代化和扩建
- 批准号:
1227196 - 财政年份:2012
- 资助金额:
$ 42.19万 - 项目类别:
Standard Grant
Collaborative Research: Connectivity in western Atlantic seep populations: Oceanographic and life-history processes underlying genetic structure
合作研究:西大西洋渗透种群的连通性:遗传结构背后的海洋学和生活史过程
- 批准号:
1030453 - 财政年份:2010
- 资助金额:
$ 42.19万 - 项目类别:
Continuing Grant
FSML: A safe sampling and survey tool for subtidal research and education on the Oregon Coast.
FSML:用于俄勒冈海岸潮下带研究和教育的安全采样和调查工具。
- 批准号:
1034864 - 财政年份:2010
- 资助金额:
$ 42.19万 - 项目类别:
Standard Grant
Collaborative Research: Deep-sea larvae as grazers in the midwater microbial loop
合作研究:深海幼虫作为中层微生物循环中的食草动物
- 批准号:
0527139 - 财政年份:2006
- 资助金额:
$ 42.19万 - 项目类别:
Standard Grant
Housing and Facility Enhancements for Visiting Scientists and Students at the Oregon Institute of Marine Biology
俄勒冈海洋生物学研究所访问科学家和学生的住房和设施增强
- 批准号:
0435692 - 财政年份:2005
- 资助金额:
$ 42.19万 - 项目类别:
Standard Grant
Collaborative Research: Energy Sources for Reproduction and Development in a Cold-Seep Mixotrophic Mussel
合作研究:冷泉混合营养贻贝繁殖和发育的能源
- 批准号:
0243688 - 财政年份:2002
- 资助金额:
$ 42.19万 - 项目类别:
Continuing Grant
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