Description
Environmental risk assessment (ERA) of plant protection
products is carried out in a tiered process. Beside
experimental refinement options to address the risk for
non-target organisms identified at lower tiers (e.g. tests
with modified exposure, more complex community studies such
as micro-/mesocosm studies or field trials), mechanistic
effect models have been increasingly submitted to
authorities during the last years. Compared to experimental
field studies, models are relatively inexpensive and can
depict effects or scenarios that would be difficult to
investigate in the field. Modeling has been identified as an
appropriate methodology for "higher tier" refined risk
assessment in the EFSA Opinion on Protection Goals (EFSA,
2010) as well as in various SETAC workshops. Despite the
uncontested potential of this approach to address important
issues in the risk assessment of pesticides, and despite the
use of these models in research science, their
implementation in the environmental risk assessment of PPP
implies an evaluation of their quality and uncertainty in
the identification and prediction of risks. For this, the
relevant mechanisms that affect the sensitivity of different
biological organization levels need to be known and then
considered in the model. To generate confidence in the model
predictions, the models (and each model application) must be
evaluated using a set of quality criteria, prior to
application in ERA. This allows risk assessors to weight the
results of a model analysis in comparison with other lines
of evidence. In a project funded by the German Ministry of
Environment, Nature conservation, Building and Nuclear
safety (BMUB), a critical evaluation of the suitability of
effect models for their use into ERA is performed.
My role
Contribute to model review and evaluation, with specific
focus on models at the individual level.
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Output: Publications (as first or co-author)
Output: Presentations and posters (as presenter and as
contributor)
- Evaluation of effect models in the environmental risk
assessment of plant protection products. Poster
presented at the 27th
SETAC Europe conference in Brussel, Belgium. 7-11
May 2017. Abstract,
handout.
- Critical evaluation of population models for the
environmental risk assessment of plant protection
products. Platform presentation by Dr. Jeremias Becker
at the at the 29th
SETAC Europe conference in Helsinki, Finland,
26-30 May 2019.
- Individual-level effects . GUTS & DEBtox.
Presentation at the symposium “Evaluation of
toxicological and ecological effect models for risk
assessment of plant protection products.” UBA, Berlin,
Germany, 19-20 September 2019.
- Main outcomes of the symposium “Evaluation of
toxicological and ecological effect models for risk
assessment of Plant Protection Products.” Duquesne S, J
Becker, T Jager, S Kramer-Schadt, M Liess, S Pieper, M
Sole and S Matezki. Poster presentation for the 31st SETAC Europe
conference in virtual space, 3-6 May 2021.
- ...
Related publications (as first or co-author)
- Jager T (2016). Predicting environmental risk: a road
map for the future. J. Toxicol. Environ. Health.
79(13-15):572-584. http://dx.doi.org/10.1080/15287394.2016.1171986
(if you do not have access, email
me to receive a version of the paper).
- Jager T and R Ashauer (2018). How to evaluate the
quality of toxicokinetic-toxicodynamic models in the
context of environmental risk assessment. IEAM
14(5):604-614. https://doi.org/10.1002/ieam.2026
Related presentations (as presenter and as contributor)
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