Oribatid mite communities in contaminated soils nearby a lead and zinc smelting plant in Zanjan, Iran

M.K. Jamshidian, A. Saboori, M.A. Akrami, N.M. van Straalen

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Many studies have shown that the composition of invertebrate communities in soil changes under the influence of stressors in the soil ecosystem. Conversely, an observed altered community structure may be indicative of stress. In this study we aimed to investigate responses of oribatid mite communities to heavy metal (zinc, copper and cadmium) contamination of grasslands nearby a lead and zinc smelting plant at Zanjan, Iran. Soil analysis showed that the Zanjan plant is a major source of zinc and cadmium in the area. No relationship could be found between metal pollution and total density of oribatids, but the number of species and the Shannon diversity index were lowest in the sites polluted by zinc and cadmium. Species diversity was significantly negatively correlated with zinc and cadmium, but not with copper concentrations. Oribatula (Zygoribatula) connexa connexa Berlese, 1904, was a dominant species at all sites; the percentage dominance of this species was highest at the most polluted site. Our survey confirms that oribatid mite communities display a great variety of responses to heavy metals, depending on the species.
Original languageEnglish
Pages (from-to)251-262
JournalSystematic & Applied Acarology
Volume20
Issue number3
DOIs
Publication statusPublished - 2015

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