大气CO2浓度升高条件下土壤镐污染对土壤酶及微生物群落多样性的影响*

南京大学学报(自然科学版) ›› 2011, Vol. 47 ›› Issue (6): 713–717.

大气CO2浓度升高条件下土壤镐污染对土壤酶及微生物群落多样性的影响*

田然1，周辉1，黄娟2 朱建国3，尹颖1，孙媛媛1，王晓蓉1，郭红岩1. 3 **

出版日期:2015-05-07 发布日期:2015-05-07
作者简介: (1南京大学环境学院，污染控制与资源化研究国家重点实验室，南京，210093;2江苏省环境监测中心，南京，
210036;3中国科学院南京上壤研究所，上壤与农业可持续发展国家重点实验室，南京，210008)
基金资助:
基金项日:国家自然科学基金(2117708,20777034)

Effect of elevated atmospheric CO₂concentration on the soil enzymes and microbial communities under stress of Cd pollution

Tian Ran¹,Zhou Hui¹,Huang Juan²,Zhu Jian-Guo²,Yin Ying¹,Sun Yuan-Yuan¹,Wang Xiao-Rong¹,Guo Hong-Yan^1,2

Online:2015-05-07 Published:2015-05-07
About author: (1 .School of Fnvironmcnt，Nanjing University, State Key Laoratory of Pollution Control and Resource Reuse, Nanjing, 210093，China;2. Jiangsu Environment Monitoring Center, Nanjing, 210036，China; 3. State Key
Laboratory of Soil and Sustainable Agriculture, institute of Soil Science, Chinese Academy of Seience Nanjing, 210008，China)

摘要/Abstract

摘要： 摘要:木文利用开放式空气二氧化碳(CO₂)浓度增加FACE(frec air concentration enrichment)平台，研究不同大气CO₂浓度条件下，Cd污染胁迫对稻麦轮作上壤中上壤酶及上壤微生物群落多样性的
影响.结果表明，在清洁上壤中，大气CO₂浓度升高显著诱导蛋白酶、眠酶、尿酸酶的活性以及上壤微生物群落的多样性.在低Cd污染组中，CO₂浓度升高显著抑制了上壤眠酶和蛋白酶活性.与正常大气条件
相比，FACE圈上壤微生物多样性在低浓度和高浓度Cd条件卜均降低.上述结果初步表明大气CO₂浓度升高后，Cd污染对上壤中酶系统、微生物系统的胁迫作用有加剧趋势，其影响机制及最终胁迫程度有待进一步研究.

Abstract: Using a free air concentration enrichment (FACE) sytem,we studied the effects of Cd pollution stress on soil enzymes and microbial communities in a rice-wheat rotation system under the different concentrations of atmspheric CO2 in China. The results showed that:in clean soil, elevated CO2 concentration induced mainly an Cd polluted soil (0.5 mg/kg),protease activity and urease activities at elevated O3 concentration had significantly decreased than the control.Compared with the ambience condition,the diversity of soil microbial communities was decreased in Cd polluted soil when elevated CO2 concentration.The above results preliminarily indicated that:while atmospheric CO2 concentration were elevated,the stress of Cd pollution on soil enzymes,microbial systems will be exacetbated.however,the mechanism and the ultimate stress level need to be further studied.

田然1，周辉1，黄娟2 朱建国3，尹颖1，孙媛媛1，王晓蓉1，郭红岩1. 3 **
. 大气CO2浓度升高条件下土壤镐污染对土壤酶及微生物群落多样性的影响*
[J]. 南京大学学报(自然科学版), 2011, 47(6): 713–717.

Tian Ran¹,Zhou Hui¹,Huang Juan²,Zhu Jian-Guo²,Yin Ying¹,Sun Yuan-Yuan¹,Wang Xiao-Rong¹,Guo Hong-Yan^1,2. Effect of elevated atmospheric CO₂concentration on the soil enzymes and microbial communities under stress of Cd pollution
[J]. Journal of Nanjing University(Natural Sciences), 2011, 47(6): 713–717.

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