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The response of calcareous organism to temperature from continental shelf sediments under culture experiment-A case of benthic foraminifera
Li, Haotian1; Lei, Yanli1,2,3; Wu, Tianzhen1,3; Chen, Shun4; Dong, Shuaishuai1,5
2023-12-01
Source PublicationJOURNAL OF SEA RESEARCH
ISSN1385-1101
Volume196Pages:9
Corresponding AuthorLei, Yanli(leiyanli@qdio.ac.cn)
AbstractCalcareous foraminifera are significant indicators of past temperatures, but their ecological characteristics and relationship with temperature have not been extensively studied under culture experiment, particularly in continental shelf environments. In this research, we focused on Jiaozhou Bay (9-26 m) as a case study and collected surface sediments. For the first time, we cultured living foraminifera under five different temperature gradients (6, 12, 18, 24, and 30 degrees C) to investigate the impact of temperature changes on calcareous foraminifera in continental shelf sediments. Each treatment was replicated three times, and the experiment lasted for 80 days. A total of 4162 live foraminifera were collected. As the culture temperature increased, the foraminiferal parameters (abundance, species diversity, and Shannon-Wiener index) initially increased and then decreased, with the exception of the Margalef index. The study revealed that the ecological inflection point in continental shelf foraminifera occurred at or before 18 degrees C. Furthermore, a linear relationship was established between the Margalef index and temperature, represented by the eq. Y = 0.0038*T + 0.0962. Notably, the study indicated that foraminifera inhabiting the deeper continental shelf exhibited greater sensitivity to temperature variations compared to the intertidal community. This finding suggests that ecosystems located in deeper waters may be more susceptible to potential harm. Based on projections, crossing the temperature inflection point could potentially result in a 20% decrease in the biomass of calcareous foraminifera in shallow waters, as well as an 8.6 million ton decline in carbonate sedimentation in the future. Overall, this research provides novel insights and contributes to a better understanding of the response of calcareous organisms to temperature, as well as aids in paleotemperature reconstruction efforts.
KeywordBenthic foraminifera Continental shelf Laboratory culture Climate change Paleotemperature reconstruction
DOI10.1016/j.seares.2023.102447
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000] ; Marine S & T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology (Qingdao)[2022QNLM050203] ; Marine S & T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology (Qingdao)[2021WHZZB0804] ; National Nat-ural Science Foundation of China[41976058] ; Science and Technology Program of Nanji Islands National Marine Nature Reserve Administration[NJKJ-2021-006]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectMarine & Freshwater Biology ; Oceanography
WOS IDWOS:001102741000001
PublisherELSEVIER
WOS KeywordGLOBAL OCEAN CARBONATE ; CHANGING STRUCTURE ; JIAOZHOU BAY ; MARINE ; BIODIVERSITY ; COMMUNITIES ; ASSEMBLAGES ; DELTA-O-18 ; MAGNESIUM ; STRONTIUM
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/184020
Collection海洋生物分类与系统演化实验室
Corresponding AuthorLei, Yanli
Affiliation1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao Key Lab Marine Biodivers & Conservat, Qingdao 266071, Peoples R China
2.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Nanji Isl Natl Marine Nat Reserve Adm, Wenzhou, Peoples R China
5.Jiangsu Ocean Univ, Coll Marine Sci & Fisheries, Lianyungang 222005, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Haotian,Lei, Yanli,Wu, Tianzhen,et al. The response of calcareous organism to temperature from continental shelf sediments under culture experiment-A case of benthic foraminifera[J]. JOURNAL OF SEA RESEARCH,2023,196:9.
APA Li, Haotian,Lei, Yanli,Wu, Tianzhen,Chen, Shun,&Dong, Shuaishuai.(2023).The response of calcareous organism to temperature from continental shelf sediments under culture experiment-A case of benthic foraminifera.JOURNAL OF SEA RESEARCH,196,9.
MLA Li, Haotian,et al."The response of calcareous organism to temperature from continental shelf sediments under culture experiment-A case of benthic foraminifera".JOURNAL OF SEA RESEARCH 196(2023):9.
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