Enormously enhanced particulate organic carbon and nitrogen production by elevated CO<sub>2</sub> and moderate aluminum enrichment in the coccolithophore <i>Emiliania huxleyi</i>

doi:10.1127/fal/2023/1482

	Enormously enhanced particulate organic carbon and nitrogen production by elevated CO₂ and moderate aluminum enrichment in the coccolithophore Emiliania huxleyi
	Gao, Letian 1; Tong, Shanying 1; Zhong, Zhihai 2,3; Qiao, Hongjin 1; Zou, Ning 1; Shi, Xiaomeng 1; Sun, Yuhong 1; Chang, Xing 1
发表期刊	FUNDAMENTAL AND APPLIED LIMNOLOGY
ISSN	1863-9135
	2023-02-01
卷号	196 期号:2 页码:155-163
关键词	CO2 levels aluminium concentrations specific growth rate particulate organic carbon particulate inorganic carbon anthropogenic influence
DOI	10.1127/fal/2023/1482
通讯作者	Tong, Shanying(tongshanying@163.com)
英文摘要	Aluminum (Al) is abundant and ubiquitous in the environment. However, little information is available on its effects on photosynthetic microbes in alkaline seawater. Thus, we investigated the physiological performance in the most cosmopolitan coccolithophorid, viz., Emiliania huxleyi, grown under low (410 mu atm) and high (1000 mu atm) CO2 levels in seawater having none (0 nM, NAl), low (0.2 mu M, LAl) and high (2 mu M, HAl) Al concentrations. Under low CO2 conditions, the specific growth rate showed no significant difference between the NAl and LAl treatments, which was higher than the HAL treatment. Elevated CO2 inhibited the growth rate in the NAl and LAl cultures but did not affect the HAl cultures. The addition of Al had no effects on (LAl) or slightly elevated (HAl) the particulate organic carbon (POC) production rate under low CO2 conditions. With increasing CO2 concentration, the production rate of POC was enhanced by 55.3 % during the NAl treatment and further increased by 22.3 % by adding 0.2 mu M Al. The responses of particulate organic nitrogen (PON) production rate, cellular POC, and PON contents to the different treatments revealed the same pattern as those of the POC production rate. The particulate inorganic carbon (PIC) production rate and PIC/POC ratio were not affected by Al under low CO2 conditions. They were significantly decreased by elevated CO2 in the LAl and HAl cultures. Our results indicate that high CO2 could increase carbon export to ocean depths by elevating the efficiency of the biological pump at low Al levels occurring in natural seawater (0.2 mu M), with potentially significant implications for the carbon cycle of the ocean under accelerating anthropogenic influences.
资助机构	National Natural Science Foundation of China ; Natural Science Foundation of Shandong Province ; Talent Induction Program for Youth Innovation Teams in Colleges and Universities of Shandong Province ; Major Agricultural Application Technology Innovation Project of Shandong Province
收录类别	SCI
语种	英语
关键词[WOS]	OCEAN ACIDIFICATION ; PLANT-GROWTH ; RESPONSES ; TOXICITY ; CALCIFICATION ; PHOSPHORUS ; MECHANISMS ; RADIATION ; IMPACT ; BLOOMS
研究领域[WOS]	Marine & Freshwater Biology
WOS记录号	WOS:001076446100001
引用统计
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/33298
专题	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
通讯作者	Tong, Shanying
作者单位	1.Ludong Univ, Sch Life Sci, Yantai, Peoples R China 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Gao, Letian,Tong, Shanying,Zhong, Zhihai,et al. Enormously enhanced particulate organic carbon and nitrogen production by elevated CO₂ and moderate aluminum enrichment in the coccolithophore Emiliania huxleyi[J]. FUNDAMENTAL AND APPLIED LIMNOLOGY,2023,196(2):155-163.
APA	Gao, Letian.,Tong, Shanying.,Zhong, Zhihai.,Qiao, Hongjin.,Zou, Ning.,...&Chang, Xing.(2023).Enormously enhanced particulate organic carbon and nitrogen production by elevated CO₂ and moderate aluminum enrichment in the coccolithophore Emiliania huxleyi.FUNDAMENTAL AND APPLIED LIMNOLOGY,196(2),155-163.
MLA	Gao, Letian,et al."Enormously enhanced particulate organic carbon and nitrogen production by elevated CO₂ and moderate aluminum enrichment in the coccolithophore Emiliania huxleyi".FUNDAMENTAL AND APPLIED LIMNOLOGY 196.2(2023):155-163.