Assessment on Heavy Metal Pollution in Sediment of Xixi National \nWetland Park in Hangzhou City

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Assessment on Heavy Metal Pollution in Sediment of Xixi National \nWetland Park in Hangzhou City

Abstract

Heavy metals in sediments of Xixi Wetland were researched. Effects of protection measures, sediment dredging and water types on heavy metal content were discussed. The results indicated that mean contents of Cu, Zn, Cr, Pb, Cd, Hg and As were lower than the second grade standard of Chinese environmental quality standards for soils (GB 15618-1995). Hg and As were lower than the background values of agriculture soils in Hangzhou City, while Zn, Cr, Pb and Cd were higher than that. The various correlations of heavy metals indicated a multi-source of sediment pollutants. Zn and Cd contents in sediments were higher than that in soils, which indicated different sources of heavy metals in sediment and soils. Spatially, the pollutant contents were lower in center wetland (first phase project) than that in outside. And the accumulation of heavy metals had been reduced in center wetland, while it was improved in outside areas which were being disturbed by human activities more frequently. Heavy metal contents were higher in sediment of closed pounds or big pools than that in general watercourses as water types had also effects on the heavy metal contents in sediment. The H kanson integrated potential ecological risk of Xixi was light as the mean integrated index was low (110.9). Cd and Hg were in medium levels, which had the heaviest contribution to integrated potential ecological risk, while other 5 metals had low levels of risk. And the results concluded from American National Oceanic and Atmospheric Administration of Sediment Quality Guidelines for the sediment risk assessment was different comparing with the H kanson's.
- Xixi Wetland,
- heavy metals,
- influencing factors,
- assessment

References

[1]	陈怀满. 土壤中化学物质的行为与环境质量[M]. 北京: 科学出版社, 2002
[2]	崔丽娟, 张曼胤. 鄱阳湖与长江交汇区陆域重金属含量研究[J]. 林业科学研究, 2006, 19(3): 307-310
[3]	陶澍, 骆永明, 曹军, 等. 水生与陆生生态系统中微量金属的形态与生物有效性[M]. 北京: 科学出版社, 2006
[4]	杨丽原, 沈吉, 张祖陆, 等. 南四湖表层底泥重金属污染及其风险性评价[J]. 湖泊科学, 2003, 15(3): 252-256
[5]	Huang K M, Lin S. Consequence and implication of heavy metal spatial variations in sediments of the Keeliung River drainage basin, Taiwan [J]. Chemosphere, 2003, 53: 1113-1121
[6]	Segura R, Arancibia V, Zúiga M C, et al. Distribution of copper, zinc, lead and cadmium concentrations in stream sediments from the Mapocho River in Santiago, Chile[J]. Journal of Geochemical Exploration, 2006, 91(1-3): 71-80
[7]	程乾,吴秀菊. 杭州西溪国家湿地公园1993年以来景观演变及其驱动力分析[J]. 应用生态学报, 2006, 17(9):1677-1682
[8]	高乙梁. 西溪国家湿地公园模式的实践与探索[J]. 湿地科学与管理, 2006, 2(1): 55-59
[9]	国家环保总局. 水和废水监测分析方法[M]. 3版. 北京: 中国环境科学出版社, 1997
[10]	金相灿, 屠清瑛. 湖泊富营养化调查规范[M]. 2版. 北京: 中国环境科学出版社, 1990
[11]	中国环境保护总站. 中国土壤元素背景值[M]. 北京: 中国环境科学出版社,1990
[12]	邵学新, 吴明, 蒋科毅. 西溪湿地土壤重金属分布特征及生态风险评价[J]. 湿地科学, 2007, 5(3): 253-259
[13]	刘恩峰, 沈吉, 朱育新. 西太湖沉积物污染的地球化学记录及对比研究[J]. 地理科学, 2005, 25(1): 102-107
[14]	李仁英, 杨浩, 陈捷, 等. 盘龙江口滇池沉积物重金属的分布及污染评价[J]. 土壤, 2006, 38(2): 186-191
[15]	管东生, 陈玉娟, 阮国标. 广州城市及近郊土壤重金属含量特征及人类活动的影响[J]. 中山大学学报:自然科学版, 2001, 40(4): 93-101
[16]	柴世伟, 温琰茂, 张云霓, 等. 广州市郊区农业土壤重金属含量特征[J]. 中国环境科学, 2003, 23(6): 592-596
[17]	王学松, 秦勇. 徐州城市表层土壤中重金属环境风险测度与源解析[J]. 地球化学, 2006, 35(1): 88-94
[18]	Peterson E, Sanka M, Clark L. Urban soils as pollutant sinks-A case study from Aberdeen, Scotland [J]. Appl Geochem, 1999, 11(1/2): 129-131
[19]	高凤仙,杨仁斌. 饲料中高剂量铜对资源及生态环境的影响[J]. 饲料工业, 2005, 26(12): 49-53
[20]	H kanson L. An ecological risk index for aquatic pollution control: a sedimentological approach[J]. Water Research, 1980, 14:975-1001
[21]	Chapman P M, Mann G S. Sediment quality values (SQVs) and ecological risk assessment (ERA)[J]. Marine Pollution Belletin, 1999, 38(5): 339-344
[22]	Long E R, Field L J, MacDonald D D. Predicting toxicity in marine sediments with numerical sediment quality guidelines [J]. Environmental Toxicology and Chemistry, 1998, 17(4): 714-727
[23]	李莲芳, 曾希柏, 李国学, 等. 北京市温榆河沉积物的重金属污染风险评价[J]. 环境科学学报, 2007, 27(2): 289-297
[24]	范文宏, 张博, 陈静生, 等. 锦州湾沉积物中重金属污染的潜在生物毒性风险评价[J]. 环境科学学报, 2006, 26(6): 1000-1005
[25]	Buchman M F. NOAA screening quick reference tables: NOAA hazardous materials report no.99-1 . Seattle, WA: Coastal Protection and Restoration Division, National Oceanic and Atmospheric Administration, 1999: 9-12

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Assessment on Heavy Metal Pollution in Sediment of Xixi National \nWetland Park in Hangzhou City

Abstract: Heavy metals in sediments of Xixi Wetland were researched. Effects of protection measures, sediment dredging and water types on heavy metal content were discussed. The results indicated that mean contents of Cu, Zn, Cr, Pb, Cd, Hg and As were lower than the second grade standard of Chinese environmental quality standards for soils (GB 15618-1995). Hg and As were lower than the background values of agriculture soils in Hangzhou City, while Zn, Cr, Pb and Cd were higher than that. The various correlations of heavy metals indicated a multi-source of sediment pollutants. Zn and Cd contents in sediments were higher than that in soils, which indicated different sources of heavy metals in sediment and soils. Spatially, the pollutant contents were lower in center wetland (first phase project) than that in outside. And the accumulation of heavy metals had been reduced in center wetland, while it was improved in outside areas which were being disturbed by human activities more frequently. Heavy metal contents were higher in sediment of closed pounds or big pools than that in general watercourses as water types had also effects on the heavy metal contents in sediment. The H kanson integrated potential ecological risk of Xixi was light as the mean integrated index was low (110.9). Cd and Hg were in medium levels, which had the heaviest contribution to integrated potential ecological risk, while other 5 metals had low levels of risk. And the results concluded from American National Oceanic and Atmospheric Administration of Sediment Quality Guidelines for the sediment risk assessment was different comparing with the H kanson's.

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Reference (25)

[1]	陈怀满. 土壤中化学物质的行为与环境质量[M]. 北京: 科学出版社, 2002
[2]	崔丽娟, 张曼胤. 鄱阳湖与长江交汇区陆域重金属含量研究[J]. 林业科学研究, 2006, 19(3): 307-310
[3]	陶澍, 骆永明, 曹军, 等. 水生与陆生生态系统中微量金属的形态与生物有效性[M]. 北京: 科学出版社, 2006
[4]	杨丽原, 沈吉, 张祖陆, 等. 南四湖表层底泥重金属污染及其风险性评价[J]. 湖泊科学, 2003, 15(3): 252-256
[5]	Huang K M, Lin S. Consequence and implication of heavy metal spatial variations in sediments of the Keeliung River drainage basin, Taiwan [J]. Chemosphere, 2003, 53: 1113-1121
[6]	Segura R, Arancibia V, Zúiga M C, et al. Distribution of copper, zinc, lead and cadmium concentrations in stream sediments from the Mapocho River in Santiago, Chile[J]. Journal of Geochemical Exploration, 2006, 91(1-3): 71-80
[7]	程乾,吴秀菊. 杭州西溪国家湿地公园1993年以来景观演变及其驱动力分析[J]. 应用生态学报, 2006, 17(9):1677-1682
[8]	高乙梁. 西溪国家湿地公园模式的实践与探索[J]. 湿地科学与管理, 2006, 2(1): 55-59
[9]	国家环保总局. 水和废水监测分析方法[M]. 3版. 北京: 中国环境科学出版社, 1997
[10]	金相灿, 屠清瑛. 湖泊富营养化调查规范[M]. 2版. 北京: 中国环境科学出版社, 1990
[11]	中国环境保护总站. 中国土壤元素背景值[M]. 北京: 中国环境科学出版社,1990
[12]	邵学新, 吴明, 蒋科毅. 西溪湿地土壤重金属分布特征及生态风险评价[J]. 湿地科学, 2007, 5(3): 253-259
[13]	刘恩峰, 沈吉, 朱育新. 西太湖沉积物污染的地球化学记录及对比研究[J]. 地理科学, 2005, 25(1): 102-107
[14]	李仁英, 杨浩, 陈捷, 等. 盘龙江口滇池沉积物重金属的分布及污染评价[J]. 土壤, 2006, 38(2): 186-191
[15]	管东生, 陈玉娟, 阮国标. 广州城市及近郊土壤重金属含量特征及人类活动的影响[J]. 中山大学学报:自然科学版, 2001, 40(4): 93-101
[16]	柴世伟, 温琰茂, 张云霓, 等. 广州市郊区农业土壤重金属含量特征[J]. 中国环境科学, 2003, 23(6): 592-596
[17]	王学松, 秦勇. 徐州城市表层土壤中重金属环境风险测度与源解析[J]. 地球化学, 2006, 35(1): 88-94
[18]	Peterson E, Sanka M, Clark L. Urban soils as pollutant sinks-A case study from Aberdeen, Scotland [J]. Appl Geochem, 1999, 11(1/2): 129-131
[19]	高凤仙,杨仁斌. 饲料中高剂量铜对资源及生态环境的影响[J]. 饲料工业, 2005, 26(12): 49-53
[20]	H kanson L. An ecological risk index for aquatic pollution control: a sedimentological approach[J]. Water Research, 1980, 14:975-1001
[21]	Chapman P M, Mann G S. Sediment quality values (SQVs) and ecological risk assessment (ERA)[J]. Marine Pollution Belletin, 1999, 38(5): 339-344
[22]	Long E R, Field L J, MacDonald D D. Predicting toxicity in marine sediments with numerical sediment quality guidelines [J]. Environmental Toxicology and Chemistry, 1998, 17(4): 714-727
[23]	李莲芳, 曾希柏, 李国学, 等. 北京市温榆河沉积物的重金属污染风险评价[J]. 环境科学学报, 2007, 27(2): 289-297
[24]	范文宏, 张博, 陈静生, 等. 锦州湾沉积物中重金属污染的潜在生物毒性风险评价[J]. 环境科学学报, 2006, 26(6): 1000-1005
[25]	Buchman M F. NOAA screening quick reference tables: NOAA hazardous materials report no.99-1 . Seattle, WA: Coastal Protection and Restoration Division, National Oceanic and Atmospheric Administration, 1999: 9-12

Assessment on Heavy Metal Pollution in Sediment of Xixi National \nWetland Park in Hangzhou City

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References

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通讯作者: 陈斌, bchen63@163.com

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Assessment on Heavy Metal Pollution in Sediment of Xixi National \nWetland Park in Hangzhou City

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