Evaluation of Exposure Metrics for Effect Assessment of Soil Invertebrates

Peijnenburg, Willie J.G.M.; Capri, E.; Kula, Christine; Liess, Matthias; Luttik, Robert; Montforts, Mark; Nienstedt, Karin M.; Römbke, Jörg; Sousa, José Paulo; Jensen, John

doi:10.1080/10643389.2011.574100

Cited by 58 publications

(38 citation statements)

References 64 publications

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“…For oral uptake, it is hard to distinguish the contributions of porewater and soil particles. Isopods mainly obtain water needs from the diet, but they can also absorb water from humid surfaces [42]. From our data, it seems that porewater concentrations do affect toxicity, at least when the EC50 values are considered, but that other routes of exposure cannot be excluded.…”

Section: Toxicity To Porcellionides Pruinosusmentioning

confidence: 77%

Influence of soil pH on the toxicity of zinc oxide nanoparticles to the terrestrial isopod Porcellionides pruinosus

Tourinho

Gestel²,

Lofts

et al. 2013

Enviro Toxic and Chemistry

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Section: Toxicity To Porcellionides Pruinosusmentioning

confidence: 77%

Influence of soil pH on the toxicity of zinc oxide nanoparticles to the terrestrial isopod Porcellionides pruinosus

Tourinho

Gestel²,

Lofts

et al. 2013

Enviro Toxic and Chemistry

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“…As a soft-bodied soil living invertebrate, uptake is made not only via ingestion (e.g. food and soil particles) but also via the body surface or skin (used for respiration and water uptake) (Peijnenburg et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Cu-nanoparticles ecotoxicity – Explored and explained?

Gomes

Murphy²,

Nielsen

et al. 2015

Chemosphere

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The nano-form of copper (Cu-NPs) is already extensively used. In this paper the toxic effect of Cu in the worm Enchytraeus crypticus (Oligochaeta: Enchytraeidae) was assessed following exposure to (1) Cu-salt: freshly spiked soil with copper-nitrate, (2) Cu-NPs: freshly spiked soil with Cu nanoparticles (80nm), and (3) Cu-field: historically Cu contaminated soil (80years ago). Our main aims were to compare the three different exposure regimes and respective toxicity, and to determine how the oxidation state of the Cu and dissolution state of the particles differed. Characterization of in situ-exposure included identification of oxidation states with synchrotron generated X-ray absorption near-edge spectroscopy (XANES) analysis, activity of free Cu(2+) in soil-solution (Ion Selective Electrode), and the relative distribution of the labile Cu-fractions (Sequential Extraction). Freshly spiked Cu-salt was the most toxic for reproductive output of the worms, followed by Cu-NPs and then Cu-field. XANES indicated only one oxidation state (II) in Cu-salt and Cu-field soil, whereas in Cu-NPs soil it was present in all oxidation states (0, I and II). The partial oxidation of the Cu-NPs (in soil) was evident and with limited dissolution.

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“…Our results are supported by those of other authors [18], who worked with Cd, and found increased metal content in soil solutions with increased soil moisture. Although use of the total metal is often criticized in risk assessment [10,37], it is still the standard practice. A few studies have shown that the mobile and exchangeable (CaCl 2 extracted) or mobilizable (extracted with diethylene triamine pentaacetic acid) form could better predict toxicity of metals to soil invertebrates [12,38]; however, the present study showed that the total metal is a better predictor of toxicity than the exchangeable metal.…”

Section: Discussionmentioning

confidence: 99%

The potentiation of zinc toxicity by soil moisture in a boreal forest ecosystem

Owojori

Siciliano

2015

Enviro Toxic and Chemistry

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Northern boreal forests often experience forest dieback as a result of metal ore mining and smelting. The common solution is to lime the soil, which increases pH, reducing metal toxicity and encouraging recovery. In certain situations, however, such as in Flin Flon, Manitoba, Canada, liming has yielded only moderate benefits, with some locations responding well to liming and other locations not at all. In an effort to increase the effectiveness of the ecorestoration strategy, the authors investigated if these differences in liming responsiveness were linked to differences in toxicity. Toxicity of metal-impacted Flin Flon soils on the oribatid mite Oppia nitens and the collembolan Folsomia candida was assessed, with a view toward identifying the metal of concern in the area. The effects of moisture content on metal sorption, uptake, and toxicity to the invertebrates were also investigated. Toxicity tests with the invertebrates were conducted using either Flin Flon soils or artificial soils with moisture content adjusted to 30%, 45%, 60%, or 75% of the maximum water-holding capacity of the soil samples. The Relative to Cd Toxicity Model identified Zn as the metal of concern in the area, and this was confirmed using validation tests with field contaminated soils. Furthermore, increasing the moisture content in soils increased the amount of mobile Zn available for uptake with the ion exchange resin. Survival and reproduction of both invertebrates were reduced under Zn exposure as moisture level increased. Thus, moisture-collecting landforms, which are often also associated with high Zn concentrations at Flin Flon, have, as a result, higher Zn toxicity to the soil ecosystem because of increases in soil moisture.

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Evaluation of Exposure Metrics for Effect Assessment of Soil Invertebrates

Cited by 58 publications

References 64 publications

Influence of soil pH on the toxicity of zinc oxide nanoparticles to the terrestrial isopod Porcellionides pruinosus

Influence of soil pH on the toxicity of zinc oxide nanoparticles to the terrestrial isopod Porcellionides pruinosus

Cu-nanoparticles ecotoxicity – Explored and explained?

The potentiation of zinc toxicity by soil moisture in a boreal forest ecosystem

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