ACIDIFICATION, METALS AND MACROPHYTES

被引：65

作者：

CROWDER, A

机构：

[1] Department of Biology, Queen's University, Kingston

来源：

ENVIRONMENTAL POLLUTION | 1991年 / 71卷 / 2-4期

关键词：

D O I：

10.1016/0269-7491(91)90032-R

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Plant-specific and metal-specific uptake of Al, Cd, Pb and Hg are reviewed, using examples from bryophytes, lichens, wetland plants, woody plants and crop plants. Ranges of plant metal concentration, toxic thresholds and effects, and effects of metal on biomass are derived from the literature. Relationships of metal in plants to metals in sediment, soil, water and air are discussed. Plant Al is negatively correlated with pH of water in lakes and with soil pH. Cadmium in crop plants is negatively related to soil pH. Lead in submergents is related negatively to sediment pH at 4.5 to 6. Little information on plant Hg was available. Factors affecting plant uptake include soil or sediment organic content, carbon exchange capacity, oxide and carbonate content, and Eh as well as total metal content.

引用

页码：171 / 203

页数：33

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