气候变化领域集成服务门户(CCPortal): Manganese co-limitation of phytoplankton growth and major nutrient drawdown in the Southern Ocean

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DOI	10.1038/s41467-021-21122-6
	Manganese co-limitation of phytoplankton growth and major nutrient drawdown in the Southern Ocean
	Browning T.J.; Achterberg E.P.; Engel A.; Mawji E.
发表日期	2021
ISSN	2041-1723
卷号	12 期号:1
英文摘要	Residual macronutrients in the surface Southern Ocean result from restricted biological utilization, caused by low wintertime irradiance, cold temperatures, and insufficient micronutrients. Variability in utilization alters oceanic CO2 sequestration at glacial-interglacial timescales. The role for insufficient iron has been examined in detail, but manganese also has an essential function in photosynthesis and dissolved concentrations in the Southern Ocean can be strongly depleted. However, clear evidence for or against manganese limitation in this system is lacking. Here we present results from ten experiments distributed across Drake Passage. We found manganese (co-)limited phytoplankton growth and macronutrient consumption in central Drake Passage, whilst iron limitation was widespread nearer the South American and Antarctic continental shelves. Spatial patterns were reconciled with the different rates and timescales for removal of each element from seawater. Our results suggest an important role for manganese in modelling Southern Ocean productivity and understanding major nutrient drawdown in glacial periods. © 2021, The Author(s).
语种	英语
scopus关键词	iron; manganese; sea water; iron; manganese; carbon sequestration; concentration (composition); dissolved matter; drawdown; growth rate; iron; irradiation; manganese; photosynthesis; phytoplankton; pollutant removal; seawater; algal growth; Antarctica; Article; controlled study; ecosystem; glacial period; macronutrient; nonhuman; phytoplankton; South American; Southern Ocean; carbon cycle; chemistry; growth, development and aging; metabolism; microbiology; photosynthesis; phytoplankton; sea; South America; Drake Passage; Southern Ocean; Antarctic Regions; Carbon Cycle; Iron; Manganese; Nutrients; Oceans and Seas; Photosynthesis; Phytoplankton; Seawater; South America
来源期刊	Nature Communications
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/251517
作者单位	Marine Biogeochemistry Division, GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany; National Oceanography Centre Southampton, Southampton, United Kingdom
推荐引用方式 GB/T 7714	Browning T.J.,Achterberg E.P.,Engel A.,et al. Manganese co-limitation of phytoplankton growth and major nutrient drawdown in the Southern Ocean[J],2021,12(1).
APA	Browning T.J.,Achterberg E.P.,Engel A.,&Mawji E..(2021).Manganese co-limitation of phytoplankton growth and major nutrient drawdown in the Southern Ocean.Nature Communications,12(1).
MLA	Browning T.J.,et al."Manganese co-limitation of phytoplankton growth and major nutrient drawdown in the Southern Ocean".Nature Communications 12.1(2021).