Cu and Zn accumulation in earthworm Lumbricus terrestris L. in sewage sludge amended soil and fractions of Cu and Zn in casts and surrounding soil

被引：106

作者：

Kizilkaya, R ^{[1
]}

机构：

[1] Ondokuz Mayis Univ, Fac Agr, Dept Soil Sci, TR-55139 Kurupelit, Turkey

来源：

ECOLOGICAL ENGINEERING | 2004年 / 22卷 / 02期

关键词：

earthworm body; municipal sewage sludge; organically complexed; water soluble; exchangeable; cast; soil;

D O I：

10.1016/j.ecoleng.2004.04.002

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 [生物信息与计算生物学]; 0713 [生态学];

摘要：

In this study, the bioaccumulation of Cu and Zn by the earthworm Lumbricus terrestris L. and Cu and Zn fractions in casts and surrounding soil of soil amended with different doses of sewage sludge have been explored. The total and fractions of Cu and Zn contents were increased by sewage sludge amendments at all doses. Thirty days after sewage sludge amendment, the soil. cast, and earthworm bodies receiving the highest dose (400 g kg(-1)) showed significantly higher Cu and Zn content than the non-amended soil. In particular exchangeable (EX)-Zn and organically complexed (OM)-Cu contents of casts and surrounding soil were hi-her than the other fractions at all sewage sludge amended soils. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：141 / 151

页数：11

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