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Combined effects of ocean acidification and phosphorus limitation on physiological characteristics of the coccolithophores Emiliania huxleyi
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Shuai Ma1, Yong Zhang1, Xiang Yang1, Yinrui Wang1, Rongrong Xie1, 2, Jiabing Li1, 2, Hong Zhang1, 2, Yonghe Han1, 2, Yong Zhang1, 2, *
Haiyang Xuebao | 2023, 45(8) : 120 - 129
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Haiyang Xuebao | 2023, 45(8): 120-129
• Article •
Combined effects of ocean acidification and phosphorus limitation on physiological characteristics of the coccolithophores Emiliania huxleyi
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Shuai Ma1, Yong Zhang1, Xiang Yang1, Yinrui Wang1, Rongrong Xie1, 2, Jiabing Li1, 2, Hong Zhang1, 2, Yonghe Han1, 2, Yong Zhang1, 2, *
Affiliations
  • 1College of Environmental and Resource Sciences · College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350117, China
  • 2Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350117, China
Published: 2023-08-31 doi: 10.12284/hyxb2023108
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Coccolithophores can produce particulate organic carbon (POC) via photosynthesis and synthesize particulate inorganic carbon (PIC) via calcification; they also make an important contribution to marine carbon cycle. Some studies have reported that ocean acidification generally increases POC content and decreases PIC content of coccolithophores, however, most of the studies show these results under nutrient replete conditions, and a few studies focus on the combined effects of nutrient limitation and ocean acidification on coccolithophores. In this study, we investigated the physiological responses of the coccolithophore Emiliania huxleyi to ocean acidification under dissolved inorganic phosphorus (DIP) limitation. Our data show that ocean acidification and DIP limitation act synergistically to reduce growth rate, relative photosynthetic electron transport rate and light use efficiency of photosynthetic system II of E. huxleyi. Dissolved inorganic phosphorus limitation dominantly increases cellular POC content and offsets the negative effect of ocean acidification on cellular PIC content and the ratio of PIC : POC. Our results suggest that DIP limitation changed the response trends of POC and PIC contents to ocean acidification, which indicates that the contributions of coccolithophores to marine carbon cycle are different in these ocean areas with different DIP concentrations.

coccolithophore  /  Emiliania huxleyi  /  ocean acidification  /  phosphorus limitation  /  growth rate  /  calcification  /  photosynthesis
Shuai Ma, Yong Zhang, Xiang Yang, Yinrui Wang, Rongrong Xie, Jiabing Li, Hong Zhang, Yonghe Han, Yong Zhang. Combined effects of ocean acidification and phosphorus limitation on physiological characteristics of the coccolithophores Emiliania huxleyi[J]. Haiyang Xuebao, 2023 , 45 (8) : 120 -129 . DOI: 10.12284/hyxb2023108
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Year 2023 volume 45 Issue 8
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Article Info
doi: 10.12284/hyxb2023108
  • Receive Date：2023-01-10
  • Online Date：2025-12-28
  • Published：2023-08-31
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  • Received：2023-01-10
  • Revised：2023-04-25
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Affiliations
    1College of Environmental and Resource Sciences · College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350117, China
    2Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350117, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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