翅碱蓬-沙蚕对土壤中Pb的生物可利用性影响研究
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摘要
用中国北方滩涂湿地优势植物翅碱蓬(Suaeda heteroptera)和潮间带常见物种沙蚕(Nereis succinea)联合处理大连市黑石礁黄海潮间带模拟Pb污染土壤。结果表明,翅碱蓬和沙蚕联合作用,能对Pb~(2+)质量浓度在800mg/kg以下的土壤起到残渣态向可交换态转化的作用,使生物可利用性提高。翅碱蓬和沙蚕联合起协同作用,能显著提高生物体对土壤中总Pb的吸收速率,两者对Pb~(2+)质量浓度800mg/kg以下的土壤30d内都有富集能力,总吸收速率常数随土壤中Pb~(2+)浓度的增大而增大。
Suaeda heteroptera which dominates in the wetland of northern China and Nereis succinea which is universal in seashore were together used to treat Pb polluted simulated soil of the Yellow Sea from Heishijiao,Dalian.Results showed that the combination of Suaeda heteroptera and Nereis succinea promoted the conversion of residual form Pb to exchangeable Pb if only Pb~(2+) mass concentration was below 800 mg/kg,increasing bioavailability.The combination promoted the absorption rate of total Pb in soil by the organisms,too.Both Suaeda heteroptera and Nereis succinea had the ability of 30 daccumulation when Pb~(2+) mass concentration was below 800 mg/kg.The sum of Suaeda heteroptera and Nereis succinea absorption rate constants increased with Pb~(2+) concentration.
Suaeda heteroptera which dominates in the wetland of northern China and Nereis succinea which is universal in seashore were together used to treat Pb polluted simulated soil of the Yellow Sea from Heishijiao,Dalian.Results showed that the combination of Suaeda heteroptera and Nereis succinea promoted the conversion of residual form Pb to exchangeable Pb if only Pb~(2+) mass concentration was below 800 mg/kg,increasing bioavailability.The combination promoted the absorption rate of total Pb in soil by the organisms,too.Both Suaeda heteroptera and Nereis succinea had the ability of 30 daccumulation when Pb~(2+) mass concentration was below 800 mg/kg.The sum of Suaeda heteroptera and Nereis succinea absorption rate constants increased with Pb~(2+) concentration.
引文
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[2]ALIU S,GASHI B,RUSINOVCI I.Effects of some heavy metals in some morpho-physiological parameters in maize seedlings[J].American Journal of Biochemistry and Biotechnology,2013,9(1):27-33.
[3]昝启杰,王勇军,王伯荪.深圳福田红树林无瓣海桑与海桑群落的重金属累积和循环[J].环境科学,2002,23(4):81-88.
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[8]张倩茹,牟文燕,张靖宜,等.石油烃对沙蚕镉生物富集特性及金属硫蛋白诱导的影响[J].应用生态学报,2014,25(9):2683-2694.
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[13]曹勤英,黄志宏.污染土壤重金属形态分析及其影响因素研究进展[J].生态科学,2017,36(6):222-232.
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[16]何洁,高钰婷,王晓庆,等.水培翅碱蓬对重金属吸收的研究[J].环境污染与防治,2012,34(5):10-16.
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[18]蔡立哲,洪华生,洪丽玉.菲律宾蛤仔对锌、铅的积累特征[J].环境科学学报,1999,19(3):319-322.
[19]MOUNEYRAC C,MASTAIN O.Trace-metal detoxification and tolerance of the estuarine worm Hediste diversicolor chronically exposed in their environment[J].Marine Biology,2003,143(4):731-744.
[20]白向玉.剩余污泥中重金属污染的蚯蚓活化-花卉植物修复机理研究[D].徐州:中国矿业大学,2010.
[2]ALIU S,GASHI B,RUSINOVCI I.Effects of some heavy metals in some morpho-physiological parameters in maize seedlings[J].American Journal of Biochemistry and Biotechnology,2013,9(1):27-33.
[3]昝启杰,王勇军,王伯荪.深圳福田红树林无瓣海桑与海桑群落的重金属累积和循环[J].环境科学,2002,23(4):81-88.
[4]鲁先文,丁时和.Cd、Pb污染对油菜种子萌发及幼苗生物量的影响[J].中国农学通报,2011,27(6):124-127.
[5]张华,苏子晓,李明月,等.辽东半岛东南沿海滩涂湿地土壤重金属潜在生态风险评价[J].辽宁师范大学学报(自然科学版),2018,41(1):106-112.
[6]郑小东,荣湘民,罗尊长,等.土壤重金属污染及修复方法研究进展[J].农学学报,2011,1(8):37-43.
[7]何洁,陈旭,王晓庆,等.翅碱蓬对滩涂湿地沉积物中重金属Cu、Pb的累积吸收[J].大连海洋大学学报,2012,27(6):539-545.
[8]张倩茹,牟文燕,张靖宜,等.石油烃对沙蚕镉生物富集特性及金属硫蛋白诱导的影响[J].应用生态学报,2014,25(9):2683-2694.
[9]蔡东亿.沙蚕修复滩涂生境效果的初步研究[D].厦门:集美大学,2014.
[10]HE J,WANG Q Z,JI Z X,et al.The single or combined effects of Suaeda heteroptera and Nereis succinea on the distribution of different Cu forms in sediments[J].Ecological Engineering,2017,99:429-435.
[11]MOHAN B S.Potential phytotoxicity of lead and cadmium to Lemna minor grown in sewage stabilization ponds[J].Environmental Pollution,1997,98(2):233-238.
[12]TESSIER A,CAMPBELL P G C,BISSON M.Sequential extraction procedure for the speciation of particulate trace metals[J].Analytical Chemistry,1979,51(7):844-851.
[13]曹勤英,黄志宏.污染土壤重金属形态分析及其影响因素研究进展[J].生态科学,2017,36(6):222-232.
[14]TU S,MA L Q,MACDONALD G E,et al.Effects of arsenic species and phosphorus on arsenic absorption,arsenate reduction and thiol formation in excised parts of Pteris vittata L.[J].Environmental and Experimental Botany,2004,51(2):121-131.
[15]张夏梅,李永祺.海洋沉积物中生物扰动对微生物降解石油烃的影响[J].青岛海洋大学学报,1993,23(3):55-59.
[16]何洁,高钰婷,王晓庆,等.水培翅碱蓬对重金属吸收的研究[J].环境污染与防治,2012,34(5):10-16.
[17]SINGH R P,TRIPATHI R D,SINGHA S K.Response of higher plants to lead contaminated environment[J].Chemosphere,1997,34(11):2467-2493.
[18]蔡立哲,洪华生,洪丽玉.菲律宾蛤仔对锌、铅的积累特征[J].环境科学学报,1999,19(3):319-322.
[19]MOUNEYRAC C,MASTAIN O.Trace-metal detoxification and tolerance of the estuarine worm Hediste diversicolor chronically exposed in their environment[J].Marine Biology,2003,143(4):731-744.
[20]白向玉.剩余污泥中重金属污染的蚯蚓活化-花卉植物修复机理研究[D].徐州:中国矿业大学,2010.
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