How the soil chemical composition is affected by seven tree species planted at a contaminated and remediated site

IF 2.3 3区 环境科学与生态学 Q2 ECOLOGY Web Ecology Pub Date : 2015-11-26 DOI:10.5194/WE-15-45-2015
T. Marañón, C. M. Navarro-Fernández, M. Domínguez, P. Madejón, J. Murillo
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引用次数: 6

Abstract

Abstract. Trees modify the physico-chemical and biological properties of the soil underneath. Here we present results for seven tree species planted at a site that was contaminated by a mine spill – after which soil was cleaned up and remediated – and later was afforested. We studied the chemical composition (24 elements) in five ecosystem compartments (leaves, forest floor, roots, topsoil and deep soil). The variation in chemical concentration was highest at the level of canopy leaves and lowest at deep soil. The identity of tree species significantly affected the composition of all elements in the canopies but none in the deep soil underneath. Although the observed tree effects on topsoil chemistry were weak, the footprint is expected to be reinforced with age of the plantation, contributing to the phytostabilization of contaminating elements and to the carbon sequestration.
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在污染和修复地点种植的7种树种对土壤化学成分的影响
摘要树木改变了地下土壤的物理化学和生物特性。在这里,我们展示了在一个被矿泄漏污染的地点种植的7种树种的结果——之后土壤被清理和修复——后来又被造林。我们研究了5个生态系统区室(叶、林底、根、表层土和深层土)的化学成分(24种元素)。化学物质浓度在冠层叶片水平变化最大,在深层土壤水平变化最小。树种特性对冠层土壤中各元素的组成有显著影响,而对深层土壤中各元素的组成无显著影响。虽然观察到的树木对表层土壤化学的影响较弱,但预计随着人工林的年龄增长,足迹将得到加强,有助于污染元素的植物稳定和碳固存。
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来源期刊
Web Ecology
Web Ecology Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
4.60
自引率
0.00%
发文量
6
审稿时长
17 weeks
期刊介绍: Web Ecology (WE) is an open-access journal issued by the European Ecological Federation (EEF) representing the ecological societies within Europe and associated members. Its special value is to serve as a publication forum for national ecological societies that do not maintain their own society journal. Web Ecology publishes papers from all fields of ecology without any geographic restriction. It is a forum to communicate results of experimental, theoretical, and descriptive studies of general interest to an international audience. Original contributions, short communications, and reviews on ecological research on all kinds of organisms and ecosystems are welcome as well as papers that express emerging ideas and concepts with a sound scientific background.
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