|本期目录/Table of Contents|

[1]王琳,张雪萍.含油污水对土壤线虫群落功能结构的影响[J].应用与环境生物学报,2014,20(01):30-34.[doi:10.3724/SP.J.1145.2014.00030]
 WANG Lin,ZHANG Xueping.Impacts of petroleum-containing wastewater on soil nematode community functional structure[J].Chinese Journal of Applied & Environmental Biology,2014,20(01):30-34.[doi:10.3724/SP.J.1145.2014.00030]
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含油污水对土壤线虫群落功能结构的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
20卷
期数:
2014年01期
页码:
30-34
栏目:
研究论文
出版日期:
2014-02-25

文章信息/Info

Title:
Impacts of petroleum-containing wastewater on soil nematode community functional structure
作者:
王琳张雪萍
1哈尔滨师范大学地理科学学院 哈尔滨 150025 2黑龙江省普通高等学校地理环境遥感监测重点实验室,哈尔滨师范大学 哈尔滨 150025
Author(s):
WANG Lin ZHANG Xueping
1College of Geographical Science, Harbin Normal University, Harbin 150025, China 2Key Laboratory of Remote Sensing Monitoring of Geographic Environment of Heilongjiang Province, Harbin Normal University, Harbin 150025, China
关键词:
含油污水土壤线虫c-p类群功能结构
Keywords:
petroleum-containing wastewater soil nematodes c-p group function structure
分类号:
S154.38+6 : X174
DOI:
10.3724/SP.J.1145.2014.00030
文献标志码:
A
摘要:
为了解污染程度不同的湿地中线虫群落功能结构的变化,于2011年10月对大庆油田附近受含油污水影响程度不同的4个典型湿地进行调查. 共分离得到4 229条土壤线虫,隶属于24科32属,其中,食细菌性线虫和食真菌性线虫是研究区域的主要营养类群. 研究结果表明,不同污染程度的含油污水中土壤线虫群落的个体数量、种类组成和营养类群均存在一定差异,其中,随着污染程度的增加,土壤线虫的个体密度呈递减趋势,且群落间差异显著(P<0.01). c-p类群组成结构特征结果表明:c-p2类群所占比例最大,其次是c-p1和c-p3类群,生活策略以r-对策为主,受含油污水的影响,线虫通过大量繁殖来应对环境的干扰. 各污染样地土壤线虫的富集指数(EI)均大于50,结构指数(SI)均小于50,表明受污染样地受干扰程度较高,土壤食物网受一定程度干扰,而未污染样地富集指数(EI)小于50,结构指数(SI)大于50,表明未污染样地无干扰,食物网处于结构化状态. 土壤理化性状与线虫营养类群及c-p类群存在明显的相关关系. 本研究表明含油污水对土壤线虫群落功能结构存在一定的影响,土壤线虫可作为受含油污水污染的土壤生态系统中一个重要的生物指示因子.
Abstract:
Soil nematodes were surveyed in water areas of different petroleum-containing levels in October, 2011. The aim of this study was to evaluate the impact of petroleum-containing wastewater on soil nematode function structure. A total of 4 229 nematodes, which were classified to 32 genera from 24 families, were collected during the surveys. Bacterivorous and fungivorous nematodes were the major nematode communities in the area. The research indicated great differences of the soil nematode individual number, species composition and trophic groups in wastewater of different petroleum-containing levels. With increasing pollution levels, soil nematodes showed a decreasing trend in the number of individuals, with the number of individuals significantly different among communities. The constitution of c-p groups showed that the largest proportion of nematodes belonged to the life story strategy c-p2, followed by c-p1 and c-p3 guilds. Nematodes in different levels of petroleum-containing soil were mostly of the r-strategists, indicating their relative resistance to environmental stress. Thus nematodes adapted to the interference and stress of petroleum-containing wastewater by increased reproduction. The different levels of petroleum-containing wastewater had certain influence on soil nematode function structure. The enrichment indices of nematode communities were more than 50, with the structure indices less than 50 in all contaminated plots, showing that the degree of interference of all contaminated plots was high and the soil food-web in the soil tended to be degraded. But in the uncontaminated plot the enrichment index of nematode communities was less than 50 and the structure index more than 50, showing that the uncontaminated plot had no interference, and the food web was forming. There were significant correlations between the soil physical and chemical characteristics and the nematode trophic groups and c-p groups. Our results demonstrated that petroleum-containing wastewater have certain influence on soil nematode function structure and could be used as an indicator of the petroleum-containing wastewater soil ecosystem.

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备注/Memo

备注/Memo:
国家自然科学基金项目(41371072)和哈尔滨市科委项目(2011RFXXN039)资助
更新日期/Last Update: 2014-03-06