EAPSI: Determining the Impacts of Ocean Acidification on Fish Species that Live in Dynamic Estuaries

EAPSI:确定海洋酸化对动态河口鱼类的影响

基本信息

  • 批准号:
    1614168
  • 负责人:
  • 金额:
    $ 0.54万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Fellowship Award
  • 财政年份:
    2016
  • 资助国家:
    美国
  • 起止时间:
    2016-06-15 至 2017-05-31
  • 项目状态:
    已结题

项目摘要

Ocean acidification (OA) is known to have many detrimental impacts on marine fish species, with early life stages being particularly susceptible. These findings have brought renewed focus onto physiological traits in early development that may bestow resilience to OA. Acid-base balance is one such pathway. This project will investigate the impacts of ocean acidification on the acid-base physiology of early life stage orange-spotted grouper (Epinephelus coiodes), which is a popular commercial fish throughout Asia and inhabits estuaries during early life stages. Estuarine fish have been underrepresented in OA research, yet these animals regularly experience CO2 levels in excess of those predicted for climate change. We predict that estuarine fish, such as the spotted grouper, may be pre-adapted for resilience against OA. The research will be conducted with Dr. Pung-Pung Hwang, a noted faculty member in the field of fish molecular and integrative physiology, at Academia Sinica in Taipei, Taiwan.This study will investigate the development and plasticity of acid-base physiology in early life stages of the orange-spotted grouper. Early life stage studies are critical for understanding the impacts of OA on commercial fisheries because this represents a bottleneck to recruitment from early life stages to reproductive adults. Sensitivity to OA will be measured via analysis of survival, yolk size and standard length, as a consequence of elevated CO2. Acid-base development will be analyzed by measuring gene expression of key proteins over time and under varying CO2 concentrations. In situ hybridization and immunofluorescence microscopy will subsequently determine the location of gene or protein expression. Together these studies will determine the sensitivity of orange-spotted grouper to OA and the role of acid-base physiology in conferring early life resilience. This award under the East Asia and Pacific Summer Institutes program supports summer research by a U.S. graduate student and is jointly funded by NSF and the Ministry of Science and Technology of Taiwan.
已知海洋酸化对海洋鱼类物种有许多不利影响,早期生命阶段特别容易受到影响。这些发现使人们重新关注早期发育中可能赋予OA弹性的生理特征。酸碱平衡就是这样一种途径。该项目将调查海洋酸化对早期生命阶段的橙斑石斑鱼(Epinealodus coiodes)酸碱生理的影响,橙斑石斑鱼是亚洲各地受欢迎的商业鱼类,在早期生命阶段栖息在河口。河口鱼类在OA研究中的代表性不足,但这些动物经常经历超过气候变化预测的二氧化碳水平。我们预测,河口鱼类,如斑点石斑鱼,可能是预先适应的弹性对OA。本研究由中央研究院鱼类分子与整合生理学研究所教授黄凤凤博士主持,探讨橘点石斑鱼早期生命阶段酸碱生理的发育与可塑性。早期生命阶段的研究对于了解OA对商业渔业的影响至关重要,因为这是从早期生命阶段到生殖成年的招募瓶颈。将通过分析CO2升高导致的存活率、蛋黄大小和标准长度来测量对OA的敏感性。将通过测量关键蛋白质随时间推移和不同CO2浓度下的基因表达来分析酸碱发展。 原位杂交和免疫荧光显微镜将随后确定基因或蛋白质表达的位置。这些研究将共同确定橙斑石斑鱼对OA的敏感性以及酸碱生理学在赋予早期生命恢复力中的作用。该奖项在东亚和太平洋夏季研究所计划下支持美国研究生的夏季研究,由NSF和台湾科技部共同资助。

项目成果

期刊论文数量(0)
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Joshua Lonthair其他文献

Smaller body size under warming is not due to gill-oxygen limitation in a cold-water salmonid
变暖条件下较小的体型并不是由于冷水鲑鱼的鳃氧限制造成的
  • DOI:
    10.1242/jeb.246477
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Joshua Lonthair;N. Wegner;Brian S. Cheng;N. Fangue;M. J. O'Donnell;A. Regish;John D. Swenson;Estefany Argueta;Stephen D McCormick;B. Letcher;L. Komoroske
  • 通讯作者:
    L. Komoroske

Joshua Lonthair的其他文献

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