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Risks to the stability of coral reefs in the South China Sea: An integrated biomarker approach to assess the physiological responses of Trochus niloticus to ocean acidification and warming
Zhang, Tianyu1,2,3; Qu, Yi1,2,3; Zhang, Qianqian1,2; Tang, Jia1,2,3; Cao, Ruiwen1,2; Dong, Zhijun1,2,4; Wang, Qing1,2,4; Zhao, Jianmin1,2,4
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
2021-08-15
Volume782Pages:11
KeywordTrochus niloticus Ocean acidification Ocean warming Integrated biomarker responses
DOI10.1016/j.scitotenv.2021.146876
Corresponding AuthorZhao, Jianmin(jmzhao@yic.ac.cn)
AbstractScientific researches have clearly indicated that ocean acidification and warming poses serious threats to coral reef ecosystems. In coral reef ecosystems, herbivorous gastropods have an important function in maintaining the stability of the ecosystem due to controlling the abundance and growth of macroalgal, which compete for nutrients and space with coral. However, limited knowledge is available on the physiological responses of the specific keystone species to the increased ocean acidity and thermal stress. In this study, we evaluated the effects of ocean acidification (OA) and warming (OW) on an herbivorous gastropod Trochus niloticus commonly found on intertidal and shallow subtidal coral reefs in the South China Sea, on the aspect of immune responses (total hemocyte counts, reactive oxygen species level and apoptosis rate), oxidative stress (lipid peroxidation level, antioxidant enzyme activities), neurotoxicity (acetylcholinesterase activity), and energy metabolism (respiration rate and cellular energy allocation), after a 28-day exposure experiment to acidic (pH 7.6) and/or thermal (30 degrees C) seawater. Our results demonstrated that both OA and OW could lead to physiological disturbances of the herbivorous top-shells, including impaired immune functions and oxidative balance, neurotoxicity, and disorder of energy metabolism. Furthermore, results of integrated biomarker response (IBR) confirmed that the overall fitness of T. niloticus were deleteriously impacted by OA and OW, and were more stressed under the co-exposure condition. These results indicated that increased acidity and temperature in the future ocean might impair the viability of T. niloticus in the long-run, which will indulge the proliferation of macroalgae and lead to degradation of the coral reef ecosystem. (C) 2021 Elsevier B.V. All rights reserved.
Funding OrganizationNational Key Research and Development Program of China ; Chinese Academy of Sciences ; Two-Hundred Talents Plan of Yantai ; Youth Innovation Promotion Association, Chinese Academy of Sciences
Indexed BySCI
Language英语
WOS KeywordOXIDATIVE STRESS ; CLIMATE-CHANGE ; PACIFIC OYSTER ; MYTILUS-GALLOPROVINCIALIS ; SEAWATER ACIDIFICATION ; ANTIOXIDANT DEFENSES ; HEALTH-ASSESSMENT ; ENERGY BUDGET ; TERM EXPOSURE ; REDUCED PH
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000655626900008
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/29313
Collection海岸带生物学与生物资源利用重点实验室
海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
支撑部门_中国科学院黄河三角洲滨海湿地试验站
海岸带生物学与生物资源利用重点实验室_海岸带生物资源高效利用研究与发展中心
Corresponding AuthorZhao, Jianmin
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Muping Coastal Environm Res Stn, Yantai 264117, Shandong, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Biol Resources Utilizat, Yantai 264003, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Tianyu,Qu, Yi,Zhang, Qianqian,et al. Risks to the stability of coral reefs in the South China Sea: An integrated biomarker approach to assess the physiological responses of Trochus niloticus to ocean acidification and warming[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,782:11.
APA Zhang, Tianyu.,Qu, Yi.,Zhang, Qianqian.,Tang, Jia.,Cao, Ruiwen.,...&Zhao, Jianmin.(2021).Risks to the stability of coral reefs in the South China Sea: An integrated biomarker approach to assess the physiological responses of Trochus niloticus to ocean acidification and warming.SCIENCE OF THE TOTAL ENVIRONMENT,782,11.
MLA Zhang, Tianyu,et al."Risks to the stability of coral reefs in the South China Sea: An integrated biomarker approach to assess the physiological responses of Trochus niloticus to ocean acidification and warming".SCIENCE OF THE TOTAL ENVIRONMENT 782(2021):11.
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