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Influence of soil properties on copper toxicity for two soil invertebrates Criel, P.; Lock, K.; Van Eeckhout, H.; Oorts, K.; Smolders, E.; Janssen, C.R. (2008). Influence of soil properties on copper toxicity for two soil invertebrates. Environ. Toxicol. Chem. 27(8): 1748-1755. https://dx.doi.org/10.1897/07-545.1 In: Environmental Toxicology and Chemistry. Setac Press: New York. ISSN 0730-7268; e-ISSN 1552-8618

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Beschikbaar in	Auteurs
VLIZ: Non-open access 354092 [ aanvragen ]

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Trefwoorden

Algorithms Analysis > Mathematical analysis > Statistical analysis > Regression analysis Bioavailability Cation exchange Characteristics > Availability > Characteristics > Bioavailability Chemical compounds > Manganese compounds Chemical compounds > Oxygen compounds > Oxides Chemical elements > Metals Chemical elements > Metals > Transition elements > Heavy metals > Copper Food processing Ions > Cations Monitoring > Environmental monitoring Organic matter > Carbon > Organic carbon Processing fishery products > Curing Processing fishery products > Drying Properties > Biological properties > Toxicity Properties > Physical properties > Weight > Dry weight Reproduction Risk assessment Risk management Risk management Separation processes > Ion exchange Soil properties Soil testing Soils Standards Techniques > Estimation > Assessment > Risk assessment Testing > Soil testing Vulnerability assessment > Risk assessment Invertebrata [Ongewervelden]; Oligochaeta [WoRMS]

Author keywords

copper; actual cation-exchange capacity; bioavailability; Folsomiacandida; Eisenia fetida

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Auteurs		Top
Criel, P. Lock, K. Van Eeckhout, H.	Oorts, K. Smolders, E. Janssen, C.R.

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Abstract

Although a large body of evidence indicates that metal toxicity to soil organisms is affected by physicochemical soil properties, use of this knowledge in ecological risk assessments is limited because of the lack of a model applicable to a wide range of soils. To study the effect of soil characteristics on the toxicity of copper to terrestrial invertebrates, chronic toxicity tests with Eisenia fetida and Folsomia candida were performed in 19 European field soils. These soils were carefully selected to cover the range of toxicity-influencing parameters encountered in the European Union. Toxicity values varied greatly among soils, with 28-d median effect concentrations ranging from 72.0 to 781 mg Cu/kg dry weight for E. fetida and from 45.4 to 2,270 mg Cu/kg dry weight for F. candida. For both species, variation in copper toxicity values was best explained by differences in the actual cation-exchange capacity (CEC) at soil pH. Using the obtained regression algorithms, the observed toxicity could, in most cases, be predicted within a factor of two for E. fetida and within a factor of three for F. candida. The developed models were validated in three additional European field soils, a standard artificial soil and a standard field soil. The presented regression equations, based on the actual CEC, offer an easy-to-apply method for taking the influence of soil properties on metal toxicity into account.

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