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Studies on the Ecological Physiology of Midwater Animals

Studies on the Ecological Physiology of Midwater Animals
中层水域动物的生态生理学研究
批准号:
9115551
负责人:
James Childress
金额:
$0.0万
依托单位国家:
美国
项目类别:
Continuing grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-01-01 至 1995-12-31

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中文摘要
翻译
这项研究将使用代谢功能的酶指标和呼吸频率的直接测量来描述中水动物代谢潜力的模式,作为发生深度、中深氧最低值的存在和身体大小的函数。初步数据表明,以前基于生理复杂、视觉定向的鱼类和甲壳类动物的概括一般不适用于其他类群的微型浮游动物和浮游动物,这些生物在以前的研究中基本上被忽视。这项研究将使我们能够调查比以前更广泛的动物,特别是那些结构更脆弱的动物,使我们能够将代谢潜力变化模式的描述扩展到所有主要的中水类群(重点是毛丝虫、水母、蠕虫和软体动物,以及关于线虫和管水母的更肤浅的工作)。这项研究旨在通过这个生态系统实现碳通量的合成。这项研究的应用将通过收集加州目前4100米水柱中主要中水动物群体的生物量数据,并使用代谢数据来估计该群落中浮游动物和微型浮游动物的呼吸碳通量,来检验这项研究的应用。
英文摘要
This study will use enzymatic indicators of metabolic function and direct measurements of respiratory rates to describe the pattern of metabolic potentials of midwater animals as a function of depth of occurrence, the presence of mid-depth oxygen minima, and body size. Preliminary data suggest that previous generalizations based on physiologically complex, visually-orienting fishes and crustaceans are not generally applicable to micronekton and zooplankton of other taxa which have largely been ignored in previous studies. This study will allow investigation of a broader range of animals than previously possible, especially those which are more fragile in structure, enabling us to extend the description of the patterns of variation in metabolic potential to all of the major midwater groups (with emphasis on chaetognaths, medusae, worms and molluscs and more superficial work on ctenophores and siphonophores). The research is directed at achieving a synthesis of the carbon fluxes through this ecosystem. This application of the research will be tested by collecting data on the biomass of the major groups of midwater animals in a 4100 m California Current water column and using the metabolic data to estimate respiratory carbon flux due to zooplankton and micronekton in this community.
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SGER: Studies on the Physiological Ecology of Hydrothermal Vent Chemoautotrophic Symbioses
Collaborative Research: Studies on the Physiological Ecology of Hydrothermal Vent Chemoautotrophic Symbioses
Studies on the Physiological Ecology of Hydrothermal Vent Chemoautotrophic Symbioses
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