Cd, Hg, Pb, and As in European species of wild growing forest landscape fungi: a review

Samar Al Sayegh-Petkovšek and Boštjan Pokorny (2011) Cd, Hg, Pb, and As in European species of wild growing forest landscape fungi: a review. Zbornik gozdarstva in lesarstva (94). pp. 3-20. ISSN 0351-3114

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Abstract

Metals, which originate from anthropogenic and natural activities, frequently occur in forest landscape with habitats of many European species of wild growing fungi. The presented review focuses on cadmium (Cd), mercury (Hg), lead (Pb), and arsenic (As) levels in fruiting bodies of wild growing European species of fungi of forest landscape. Furthermore, a comparison with studies of this kind performed in Slovenia was made with the aim to assess the metals levels in fungi from differently polluted areas in Slovenia (the Upper Meža Valley, the Šalek Valley, the Poljana Valley). The usual reported levels for most species grown in unpolluted areas are in the following ranges: Cd: < 0,5 mg/kg – 5 mg/kg dry weight (dw), Hg: < 0,5 mg/kg – 10 mg/kg dw, Pb: < 0,5 mg/kg – 5 mg/kg dw, As: < 0,5 mg/kg –1 (2) mg/kg dw (As), respectively. The presented data reveal that cadmium (Cd) and mercury (Hg) have probably been the most detrimental trace elements in fruiting bodies, which can reach increased levels even in unpolluted areas. It is evident for all analyzed trace elements that values can considerably increase in fungi picked in severely polluted areas. According to data regarding Slovene studies and comparison with other European studies, it is obvious that the Šalek Valley is enriched with Cd and As, while the Upper Meža Valley is considerably polluted with Pb and Cd.

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