广西茅尾海入海河口表层沉积物重金属分布及风险评价

阎琨, 庞国涛, 李伟, 毛方松

Assessing the distribution and ecological risks of heavy metals in surface sediments of the Maowei Sea estuary, Guangxi

YAN Kun, PANG Guo-Tao, LI Wei, MAO Fang-Song

表3 茅尾海河口沉积物中各重金属元素之间及其与中值粒径的相关系数(n=13)

Table 3 Correlation coefficients of heavy metal elements and median particle size in sediments of MaoWei Sea estuary

元素 Mz As Cd Cr Cu Hg Pb Zn Mz 1 As 0.737** 1 Cd 0.621* 0.664* 1 Cr 0.731** 0.856** 0.738** 1 Cu 0.567* 0.689** 0.671* 0.897** 1 Hg 0.723** 0.866** 0.744** 0.721** 0.531 1 Pb 0.747** 0.882** 0.756** 0.978** 0.833** 0.754** 1 Zn 0.692** 0.802** 0.787** 0.985** 0.908** 0.667* 0.972** 1