Assessment on Sediment Environmental Quality of Mangrove Forest in Qinglan Harbour,Hainan Province

Abstract

Abstract: Using the potential ecological risk index,the heavy metal pollution of mangrove sediment in nearly 20 years is evaluated.The result shows that average content of single heavy metal is sequenced as Cr>Zn>Pb>As>Cu.The total content of heavy metal is sequenced as W_{xiapo village} >W_{baitouwei village} >W_guanyuan>W_{danchang village} >W_{gangdong village} >W_{xiachang village}. The average value of plots is sequenced as As>Pb>Cr >Cu>Zn.The RI value is sequenced as Xiapo village>Baitouwei village>Guanyuan>Danchang village>Gangdong village>Xiachang village.The ecological hazards of each site are slight.The average content of heavy metal and ecological risk of Xiapo village and Baitouwei village is significantly higher than the other four plots.The main ecological risk of heavy metal pollutant is As,followed by Pb.

Key words: Qinglan Harbour, mangrove sediments, heavy metal pollution, assessment

CLC Number:

X132

GUO Julan, ZHU Yaojun, WU Gaojie, GUO Zhihua. Assessment on Sediment Environmental Quality of Mangrove Forest in Qinglan Harbour,Hainan Province[J]. FOREST RESOURCES WANAGEMENT, 2013, (6): 121-126.

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