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Answers to your recommendations
Summary
This is a response to reviewer comments in an open-access peer review process about the relevance of microplastic exposure concentrations used in soil experiments. It questions whether lab concentrations match real-world contamination levels, a key issue for interpreting the ecological significance of microplastic toxicity findings.
Lines 20-21: "Most of the studies applied MP concentrations similar to amounts in slightly to very heavily polluted soils."This sentence makes the reader expect that generally, the concentrations in the experimental environments are mostly the same as expected in the environment, but is this really the case?I would suggest showing the percentage of experiments with high microplastic exposure that is not C1 SOILD Interactive commentPrinter-friendly version Discussion paper representative of most soils.-> Thanks a lot for this point.We now write: "About 58 % of the studies thereby use inappropriate concentrations or units, but 42 % applied MP concentrations similar to amounts in slightly to very heavily polluted soils."