Effects of hypoxia on copepod egg hatching success: An in situ study

IF 2.7 3区地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY

Journal of Marine Systems Pub Date : 2024-04-23 DOI:10.1016/j.jmarsys.2024.103979

Seo Yeol Choi , Genuario Belmonte , Bonggil Hyun , Pung-Guk Jang , Woo-Jin Lee , Ho Young Soh , Min Ho Seo , Jin-Young Seo , Kyoungsoon Shin , Min-Chul Jang

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Abstract

Hypoxia is a global concern, affecting marine ecosystems. In this study, we investigated the effect of low Oxygen concentration on the egg hatching rate of Acartia erythraea in Gamak Bay, where hypoxia frequently occurs in summer. Three in situ experiments were conducted in June and August 2013 and July 2014. Environmental parameters, including the water temperature, salinity, dissolved Oxygen (DO) concentration, and pH, were measured during the experiments. Hypoxic conditions had a significant negative impact on the hatching rate of A. erythraea eggs; hatching rate was positively correlated with the DO concentration (r = 0.843, p < 0.01) and pH (r = 0.600, p < 0.01). These findings suggest that hypoxia has significant negative impacts on recruitment of planktonic A. erythraea, with potential implications for overall plankton and nekton dynamics.

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缺氧对桡足类卵孵化成功率的影响：现场研究

缺氧是一个全球关注的问题，影响着海洋生态系统。在这项研究中，我们调查了低氧浓度对夏季经常出现缺氧的加马克湾红尾鲃卵孵化率的影响。在 2013 年 6 月、8 月和 2014 年 7 月进行了三次原位实验。实验期间测量了水温、盐度、溶解氧（DO）浓度和 pH 值等环境参数。缺氧条件对赤甲鱼卵的孵化率有显著的负面影响；孵化率与溶解氧浓度（r = 0.843，p < 0.01）和 pH 值（r = 0.600，p < 0.01）呈正相关。这些研究结果表明，缺氧对浮游赤潮甲虫的繁殖有显著的负面影响，并可能对整个浮游生物和小型底栖生物的动态产生影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Marine Systems 地学-地球科学综合

CiteScore

6.20

自引率

3.60%

发文量

审稿时长

6 months

期刊介绍： The Journal of Marine Systems provides a medium for interdisciplinary exchange between physical, chemical and biological oceanographers and marine geologists. The journal welcomes original research papers and review articles. Preference will be given to interdisciplinary approaches to marine systems.