首页|Eutrophication of Jiangsu Coastal Water and Its Role in the Formation of Green Tide

Eutrophication of Jiangsu Coastal Water and Its Role in the Formation of Green Tide

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Since 2007,the large-scale green tide caused by Ulva prolifera(U.prolifera)have occurred as a recurrent phenomenon in the southern Yellow Sea of China.Field surveys and satellite remote sensing showed that the small scattered patches of green tide algae were first observed along the Porphyra agriculture area of the Subei Shoal in late April.In this study,we attempted to identify the role of eutrophication in the origin of the green tide in the Subei Shoal and its adjacent area.Subei Shoal and its adjacent area are characterized by rich nutrients,especially NO3--N,NH4+-N,PO43--P,and other bioavailable components(such as urea-N and amino acids).In the spring of 2017,the average concentrations of NO3--N were 19.01±11.01 μmol L-1,accounting for 86.68%of the dis-solved inorganic nitrogen(DIN).In addition,the average concentration of NH4+-N was 2.51±1.60 μmol L-1.PO43--P had an average concentration of 0.14±0.13 μmol L-1.The average concentrations of urea-N and total hydrolyzed amino acids(THAA)were 1.73±1.36 μmol L-1 and 1.33±0.80 μmol L-1,respectively.Rich nutritive substances play a key role in the rapid production of U.prolifera and make the Jiangsu coastal water an incubator for green tide.

green tidenutrientsalgaeUlva proliferaeutrophicationSubei Shoal

XIAO Mingyan、SONG Weina、ZHANG Haibo、SHI Xiaoyong、SU Rongguo

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Key Laboratory of Marine Chemistry Theory and Technology,Ministry of Education,Ocean University of China,Qingdao 266100,China

National Marine Environmental Monitoring Center,Dalian 116000,China

National Marine Hazard Mitigation Service,Beijing 100194,China

Joint Fund between NSFC and Shandong ProvinceChina National Key Research and Development Programcooperation fund project of China and Association of Southeast Asian Nations(ASEAN)Ministry of Natural Resources of the People's Republic of China

U19062102016YFC1402101

2024

10.1007/s11802-024-5507-2

中国海洋大学学报(自然科学英文版)
中国海洋大学

中国海洋大学学报(自然科学英文版)

CSTPCD
影响因子：0.268
ISSN：1672-5182
年,卷(期)：2024.23(1)
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