The Effects of Forest Litter and Waterlogging on the Ecotoxicity of Soils Strongly Enriched in Arsenic in a Historical Mining Site
| Autor: | Iwona Gruss, Anna Karczewska, Katarzyna Szopka, Bernard Gałka, Agnieszka Dradrach, Dariusz Gruszka, Krzysztof Gediga |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Soil test
Microtox beech litter 0211 other engineering and technologies chemistry.chemical_element pore water 02 engineering and technology 010501 environmental sciences 01 natural sciences complex mixtures Pore water pressure forest mine dump Bioassay Ostracodtox Arsenic 0105 earth and related environmental sciences microbiotests 021110 strategic defence & security studies toxicity Forestry Rapidtox lcsh:QK900-989 incubation Thamnotox chemistry Environmental chemistry Soil water Litter lcsh:Plant ecology Environmental science Ecotoxicity Waterlogging (agriculture) |
| Zdroj: | Forests, Vol 12, Iss 355, p 355 (2021) Forests Volume 12 Issue 3 |
| ISSN: | 1999-4907 |
| Popis: | This study examined the effects of waterlogging and forest litter introduced to soil on chemical properties of soil pore water and ecotoxicity of soils highly enriched in As. These effects were examined in a 21-day incubation experiment. Tested soil samples were collected from Złoty Stok, a historical centre of arsenic and gold mining: from a forested part of the Orchid Dump (19,600 mg/kg As) and from a less contaminated site situated in a neighboring forest (2020 mg/kg As). An unpolluted soil was used as control. The concentrations of As, Fe and Mn in soil pore water were measured together with a redox potential Eh. A battery of ecotoxicological tests, including a bioassay with luminescence bacteria Vibrio fischeri (Microtox) and several tests on crustaceans (Rapidtox, Thamnotox and Ostracodtox tests), was used to assess soil ecotoxicity. The bioassays with crustaceans (T. platyurus, H. incongruens) were more sensitive than the bacterial test Microtox. The study confirmed that the input of forest litter into the soil may significantly increase the effects of toxicity. Waterlogged conditions facilitated a release of As into pore water, and the addition of forest litter accelerated this effect thus causing increased toxicity. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|