Natural Recovery of Soil and Vegetation Covers on Industrial Dumps

被引:2
|
作者
Shergina, O. V. [1 ]
Mikhailova, T. A. [1 ]
Kalugina, O. V. [1 ]
Proidakova, O. A. [2 ]
机构
[1] Russian Acad Sci, Siberian Branch, Siberian Inst Plant Physiol & Biochem, Irkutsk 664003, Russia
[2] Russian Acad Sci, Siberian Branch, Inst Geochem, Irkutsk 664003, Russia
关键词
industrial dump of chemical production; stages of technogenic soil formation; embryozems; vegetation;
D O I
10.1134/S1875372815020067
中图分类号
P9 [自然地理学]; K9 [地理];
学科分类号
0705 ; 070501 ;
摘要
Within the boundaries of the industrial dump of a large chemical production facility, we investigated the state of the soils and vegetation for a set of parameters. The study identified several types of embryozems (initial, organic-accumulative, soddy, and humus-accumulative) which can be regarded as consecutive stages of technogenic soil formation. High alkalinity of the soils (pHwat.) of the dump was found to vary from 11-13 in initial embryozem to 8-9 in humus-accumulative embryozem, and a substantial imbalance of elements was detected in the soil absorption complex, which is due to considerable content levels of calcium carbonates. It is concluded that the technogenic dump involves the ongoing interconnected transformation of embryozems and vegetation, with a trend toward self-recovery of the disturbed territory.
引用
收藏
页码:146 / 153
页数:8
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