Effects of crude oil residuals on soil chemical properties in oil sites, Momoge Wetland, China

被引：0

作者：

Xiaoyu Wang

Jiang Feng

Jimin Zhao

机构：

[1] Northeast Normal University,Key Laboratory for Wetland Ecology and Vegetation Restoration of National Environmental Protection

[2] Northeast Normal University,College of Urban and Environmental Science

[3] Northeast Normal University,Key Laboratory of Vegetation Ecology of Education Ministry, Institute of Grassland Science

[4] Changchun Normal University,School of Life Science

来源：

Environmental Monitoring and Assessment | 2010年 / 161卷

关键词：

Hydrocarbon; Momoge Wetland; Petroleum exploration and production; Soil contamination; Wetland degradation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Crude oil exploration and production has been the largest anthropogenic factor contributing to the degradation of Momoge Wetland, China. To study the effects of crude oil on wetland soils, we examined the total petroleum hydrocarbon (TPH), total organic carbon (TOC), total nitrogen (TN), and total phosphorus (TP), as well as pH and electricity conductivity (EC) from oil sites and uncontaminated areas in the Momoge Wetland. All contaminated areas had significantly higher (p < 0.05) contents of TPH and TOC, but significantly lower (p < 0.05) TN contents than those of the uncontaminated areas. Contaminated sites also exhibited significantly higher (p < 0.05) pH values, C/N and C/P ratios. For TP contents and EC, no significant changes were detected. The level of soil contamination and impact of oil residuals on soil quality greatly depended on the length of time the oil well was in production. Oil residuals had caused some major changes in the soils’ chemical properties in the Momoge Wetland.

引用

页码：271 / 280

页数：9

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