SCSIO OpenIR  > 中科院海洋生物资源可持续利用重点实验室
Response of coralline algae Porolithon onkodes to elevated seawater temperature and reduced pH
Lei, Xinming1; Jiang, Lei1; Zhang, Yuyang1; Zhou, Guowei2; Lian, Jiansheng1; Huang, Hui1,2
2020
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Volume39Issue:2Pages:132
AbstractCoralline algae (CA), a type of primary calcifying producer presented in coastal ecosystems, are considered one of the highly sensitive organisms to marine environmental change. However, experimental studies on coralline algae responses to elevated seawater temperature and reduced pH have documented either contradictory or opposite results. In this study, we analysed the growth and physiological responses of coralline algae Porolithon onkodes to the elevated temperature (30.8 degrees C) and reduced pH (7.8). The aim of this analysis was to observe the direct and combined effects, while elucidating the growth and photosynthesis in this response. It was demonstrated that the algae thallus growth rate and photosynthesis under elevated temperature were depressed by 21.5% and 14.9% respectively. High pCO(2) enhanced the growth and photosynthesis of the thallus at ambient temperature, while they were deceased when both temperature and pCO(2) were elevated. CA is among the most sensitive organisms to ocean acidification (OA) because of their precipitate high Mg-calcite. We hypothesize that coralline algae could increase their calcification rate in order to counteract the effects of moderate acidification, but offset by the effect of elevated temperature. Accordingly, our results also support the conclusion that global warming (GW) is a stronger threat to algal performance than OA. Our findings are also proposed that coralline algae may be more resilient under OA than GW.
DepartmentLMB
Keywordcrustose coralline algae response elevated temperature reduced pH effects
Funding OrganizationNational Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [41306144, 41676150]; National Key Research and Development Plan [2017YFC0506301]; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA13020402]; Guangdong Basic and Applied Basic Research Foundation [2019A1515011532] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [41306144, 41676150]; National Key Research and Development Plan [2017YFC0506301]; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA13020402]; Guangdong Basic and Applied Basic Research Foundation [2019A1515011532]
DOI10.1007/s13131-020-1548-6
Funding OrganizationNational Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [41306144, 41676150]; National Key Research and Development Plan [2017YFC0506301]; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA13020402]; Guangdong Basic and Applied Basic Research Foundation [2019A1515011532] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [41306144, 41676150]; National Key Research and Development Plan [2017YFC0506301]; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA13020402]; Guangdong Basic and Applied Basic Research Foundation [2019A1515011532]
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Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/18499
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Peoples R China
2.Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, Guangzhou 510301, Peoples R China
3.Chinese Acad Sci, South China Sea Inst Oceanol, CAS Trop Marine Biol Res Stn Hainan, Sanya 572000, Peoples R China
Recommended Citation
GB/T 7714
Lei, Xinming,Jiang, Lei,Zhang, Yuyang,et al. Response of coralline algae Porolithon onkodes to elevated seawater temperature and reduced pH[J]. ACTA OCEANOLOGICA SINICA,2020,39(2):132, 137.
APA Lei, Xinming,Jiang, Lei,Zhang, Yuyang,Zhou, Guowei,Lian, Jiansheng,&Huang, Hui.(2020).Response of coralline algae Porolithon onkodes to elevated seawater temperature and reduced pH.ACTA OCEANOLOGICA SINICA,39(2),132.
MLA Lei, Xinming,et al."Response of coralline algae Porolithon onkodes to elevated seawater temperature and reduced pH".ACTA OCEANOLOGICA SINICA 39.2(2020):132.
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