首页|Characterization of Nutrients,Heavy Metals,Petroleum and Their Impact on Phytoplankton in Laizhou Bay:Implications for Environmental Management and Monitoring

Characterization of Nutrients,Heavy Metals,Petroleum and Their Impact on Phytoplankton in Laizhou Bay:Implications for Environmental Management and Monitoring

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The Laizhou Bay(LB)represents a substantial ecological area that is vulnerable to human activities and confronts di-verse environmental challenges.This study provides a comprehensive characterization of nutrients,petroleum,heavy metals,and phytoplankton community structure across seven distinct areas in LB.The results indicate relatively high concentrations of NO2-N,SiO4-Si,and NO3-N in the Southwest Laizhou Bay(SWLB)and Huanghe River Estuary(HRE).In contrast,the East Laizhou bay(ELB)and the North of Huanghe River Estuary(NHRE)exhibit the highest concentrations of heavy metals(As,Cr and Hg).The areas with high phytoplankton density and community diversity are mainly located in the SWLB.After adjusting for basic environ-mental factors,phytoplankton density and Margalef richness index D are significantly associated with nutrients(NO3-N,NO2-N,NH4-N,SiO4-Si),and heavy metal(Cr)concentrations.We highlight that,in addition to Xiaoqinghe River,nutrients brought by the Mihe River in the SWLB and heavy metal(Cr)pollution in the ELB resulting from industrial and mining activities along the coast significantly influence phytoplankton growth and community structure.Therefore,it is recommended that more monitoring and management efforts be focused on these regions in the future.

Huanghe River EstuaryLaizhou Baynutrientsheavy metalsphytoplanktonbiodiversity

WANG Kai、ZHAO Linlin、ZHU Yugui、YANG Liqiang、WANG Yunfeng、HONG Xuguang

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College of Marine Life Science,Ocean University of China,Qingdao 266003,China

First Institute of Oceanography,Ministry of Natural Resources,Qingdao 266061,China

College of Fisheries,Ocean University of China,Qingdao 266003,China

Southern Marine Science and Engineering Guangdong Laboratory,Guangzhou 511458,China

Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaChinese Arctic and Antarctic Creative ProgramKey Special Project for Introduced Talents Team of Southem Marine Science and Engineering Guangdong Laboratory(Guangzhou)

4217623442130403JDXT2018-01GML2019ZD0402

2024

10.1007/s11802-024-5617-x

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(3)
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