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Shift of Microbial Composition Structure and Diversity in an Acid Metal Polluted Soil

机译：酸性金属污染土壤中微生物组成结构的变化和多样性

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Effect of acid heavy metal pollution on microbial population levels, composition structure and diversity was determined in soils of Dabao Mountain, China. Our results showed significant alternation in microbial community structure between fungi and bacteria. Bacterial DGGE profiles showed numerous changes in DNA bands. Fungal and bacterial populations were significantly and negatively related to soil acidity and metal contents. The bacteria/fungi ratio had negative correlation with labile metal fractions. Fungal, bacterial DNA bands diversity index was negatively correlated with soil acidity and metal contents. Paddy soil had lower microbial population and diversity, but higher metal concentration than upland soil.

机译：确定了大宝山土壤中酸性重金属污染对微生物种群水平，组成结构和多样性的影响。我们的结果表明真菌和细菌之间的微生物群落结构发生了显着变化。细菌DGGE谱显示DNA条带有许多变化。真菌和细菌种群与土壤酸度和金属含量呈显着负相关。细菌/真菌比率与不稳定金属分数呈负相关。真菌，细菌DNA条带多样性指数与土壤酸度和金属含量呈负相关。稻田土壤微生物种群和多样性较低，但金属含量高于旱地土壤。

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《》|2009年|15-16|共2页
会议地点 Guangzhou(CN)
作者
Li Yongtao; Corrine Rouland; Jun Dai; Patrick Lavelle;
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作者单位

College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China Laboratoire de Geochimie des Eaux, Universite Denis Diderot, case 7052, place Jussieu 75251 Paris Cedex 05, France;

Laboratoire d'Ecologie des Sols Tropicaux (UMR 137), Institut de Recherche pour le Developpement, 93143 Bondy Cedex, France;

College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China;

Laboratoire d'Ecologie des Sols Tropicaux (UMR 137), Institut de Recherche pour le Developpement, 93143 Bondy Cedex, France;

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Shift of Microbial Composition Structure and Diversity in an Acid Metal Polluted Soil

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