The usefulness of a mathematical model of exposure for environmental risk assessment
2011

Usefulness of a Mathematical Model for Environmental Risk Assessment

publication Evidence: moderate

Author Information

Author(s): Perry J. N., Devos Y., Arpaia S., Bartsch D., Gathmann A., Hails R. S., Kiss J., Lheureux K., Manachini B., Mestdagh S., Neemann G., Ortego F., Schiemann J., Sweet J. B.

Hypothesis

How effective is a mathematical model in assessing the environmental risks of Bt-maize pollen on non-target Lepidoptera?

Conclusion

The estimated environmental impact of MON810 pollen on non-target Lepidoptera is low.

Supporting Evidence

  • The model emphasizes precaution and identifies multiple sources of variability.
  • Mortality estimates are highly sensitive to the slope of the probit/logit regression line.
  • Data showed no evidence of nonlinearity in the relationship between mortality and dose.

Takeaway

This study looks at how a math model helps us understand the risks of Bt-maize pollen to butterflies, showing that the risks are actually quite small.

Methodology

The study involved sensitivity analysis of a mathematical model regarding the exposure of non-target Lepidoptera to Bt-maize pollen.

Potential Biases

Potential bias due to reliance on worst-case scenario assumptions and limited experimental data.

Limitations

The model's predictions are sensitive to certain parameters, and there is limited data on the sensitivities of different butterfly species.

Statistical Information

P-Value

p < 0.001

Statistical Significance

p < 0.001

Digital Object Identifier (DOI)

10.1098/rspb.2010.2667

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