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

作　　者：WANG Kai ZHAO Linlin ZHU Yugui YANG Liqiang WANG Yunfeng HONG Xuguang 

机构地区：[1]College of Marine Life Science,Ocean University of China,Qingdao 266003,China [2]First Institute of Oceanography,Ministry of Natural Resources,Qingdao 266061,China [3]College of Fisheries,Ocean University of China,Qingdao 266003,China [4]Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China [5]Southern Marine Science and Engineering Guangdong Laboratory,Guangzhou 511458,China

出　　处：《Journal of Ocean University of China》2024年第3期822-834,共13页中国海洋大学学报（英文版）

基　　金：the National Natural Science Foundation of China(Nos.42176234 and 42130403);the Chinese Arctic and Antarctic Creative Program(No.JDXT2018-01);the Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou)(No.GML2019ZD0402).

摘　　要：The Laizhou Bay(LB)represents a substantial ecological area that is vulnerable to human activities and confronts diverse 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 NO_(2)-N,SiO_(4)-Si,and NO_(3)-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 environmental factors,phytoplankton density and Margalef richness index D are significantly associated with nutrients(NO_(3)-N,NO_(2)-N,NH_(4)-N,SiO_(4)-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.

关 键 词：Huanghe River Estuary Laizhou Bay NUTRIENTS heavy metals PHYTOPLANKTON BIODIVERSITY 

分 类 号：X55[环境科学与工程—环境工程] Q948.8[生物学—植物学]