Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification
Ocean acidification (OA) caused by excessive CO2 is a potential ecological threat to marine organisms. The impacts of OA on echinoderms are well-documented, but there has been a strong bias towards sea urchins, and limited information is available on sea cucumbers. This work examined the effect of m...
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ftchinacasciocas:oai:ir.qdio.ac.cn:337002/131041 2023-05-15T17:50:12+02:00 Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification Yuan, Xiutang Shao, Senlin Yang, Xiaolong Yang, Dazuo Xu, Qinzeng Zong, Humin Liu, Shilin 2016-05-01 http://ir.qdio.ac.cn/handle/337002/131041 https://doi.org/10.1007/s11356-016-6071-0 英语 eng ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH Yuan, Xiutang,Shao, Senlin,Yang, Xiaolong,et al. Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(9):8453-8461. http://ir.qdio.ac.cn/handle/337002/131041 doi:10.1007/s11356-016-6071-0 Sea Cucumber Apostichopus Japonicus Ocean Acidification Energy Budget Physiology Feeding Growth Article 期刊论文 2016 ftchinacasciocas https://doi.org/10.1007/s11356-016-6071-0 2022-06-27T05:37:39Z Ocean acidification (OA) caused by excessive CO2 is a potential ecological threat to marine organisms. The impacts of OA on echinoderms are well-documented, but there has been a strong bias towards sea urchins, and limited information is available on sea cucumbers. This work examined the effect of medium-term (60 days) exposure to three pH levels (pH 8.06, 7.72, and 7.41, covering present and future pH variability) on the bioenergetic responses of the sea cucumber, Apostichopus japonicus, an ecologically and economically important holothurian in Asian coasts. Results showed that the measured specific growth rate linearly decreased with decreased pH, leading to a 0.42 %.day(-1) decrease at pH 7.41 compared with that at pH 8.06. The impacts of pH on physiological energetics were variable: measured energy consumption and defecation rates linearly decreased with decreased pH, whereas maintenance energy in calculated respiration and excretion were not significantly affected. No shift in energy allocation pattern was observed in A. japonicus upon exposure to pH 7.72 compared with pH 8.06. However, a significant shift in energy budget occurred upon exposure to pH 7.41, leading to decreased energy intake and increased percentage of energy that was lost in feces, thereby resulting in a significantly lowered allocation into somatic growth. These findings indicate that adult A. japonicus is resilient to the OA scenario at the end of the twenty-first century, but further acidification may negatively influence the grazing capability and growth, thereby influencing its ecological functioning as an "ecosystem engineer" and potentially harming its culture output. Article in Journal/Newspaper Ocean acidification Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR Environmental Science and Pollution Research 23 9 8453 8461 |
institution |
Open Polar |
collection |
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR |
op_collection_id |
ftchinacasciocas |
language |
English |
topic |
Sea Cucumber Apostichopus Japonicus Ocean Acidification Energy Budget Physiology Feeding Growth |
spellingShingle |
Sea Cucumber Apostichopus Japonicus Ocean Acidification Energy Budget Physiology Feeding Growth Yuan, Xiutang Shao, Senlin Yang, Xiaolong Yang, Dazuo Xu, Qinzeng Zong, Humin Liu, Shilin Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification |
topic_facet |
Sea Cucumber Apostichopus Japonicus Ocean Acidification Energy Budget Physiology Feeding Growth |
description |
Ocean acidification (OA) caused by excessive CO2 is a potential ecological threat to marine organisms. The impacts of OA on echinoderms are well-documented, but there has been a strong bias towards sea urchins, and limited information is available on sea cucumbers. This work examined the effect of medium-term (60 days) exposure to three pH levels (pH 8.06, 7.72, and 7.41, covering present and future pH variability) on the bioenergetic responses of the sea cucumber, Apostichopus japonicus, an ecologically and economically important holothurian in Asian coasts. Results showed that the measured specific growth rate linearly decreased with decreased pH, leading to a 0.42 %.day(-1) decrease at pH 7.41 compared with that at pH 8.06. The impacts of pH on physiological energetics were variable: measured energy consumption and defecation rates linearly decreased with decreased pH, whereas maintenance energy in calculated respiration and excretion were not significantly affected. No shift in energy allocation pattern was observed in A. japonicus upon exposure to pH 7.72 compared with pH 8.06. However, a significant shift in energy budget occurred upon exposure to pH 7.41, leading to decreased energy intake and increased percentage of energy that was lost in feces, thereby resulting in a significantly lowered allocation into somatic growth. These findings indicate that adult A. japonicus is resilient to the OA scenario at the end of the twenty-first century, but further acidification may negatively influence the grazing capability and growth, thereby influencing its ecological functioning as an "ecosystem engineer" and potentially harming its culture output. |
format |
Article in Journal/Newspaper |
author |
Yuan, Xiutang Shao, Senlin Yang, Xiaolong Yang, Dazuo Xu, Qinzeng Zong, Humin Liu, Shilin |
author_facet |
Yuan, Xiutang Shao, Senlin Yang, Xiaolong Yang, Dazuo Xu, Qinzeng Zong, Humin Liu, Shilin |
author_sort |
Yuan, Xiutang |
title |
Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification |
title_short |
Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification |
title_full |
Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification |
title_fullStr |
Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification |
title_full_unstemmed |
Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification |
title_sort |
bioenergetic trade-offs in the sea cucumber apostichopus japonicus (echinodermata: holothuroidea) in response to co2-driven ocean acidification |
publishDate |
2016 |
url |
http://ir.qdio.ac.cn/handle/337002/131041 https://doi.org/10.1007/s11356-016-6071-0 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH Yuan, Xiutang,Shao, Senlin,Yang, Xiaolong,et al. Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(9):8453-8461. http://ir.qdio.ac.cn/handle/337002/131041 doi:10.1007/s11356-016-6071-0 |
op_doi |
https://doi.org/10.1007/s11356-016-6071-0 |
container_title |
Environmental Science and Pollution Research |
container_volume |
23 |
container_issue |
9 |
container_start_page |
8453 |
op_container_end_page |
8461 |
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1766156863992233984 |