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DEPARTMENT OF ENVIRONMENTAL SCIENCE FACULTY OF SCIENCE Mark Huijbregts and Aafke Schipper Environmental Sciences.

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Presentation on theme: "DEPARTMENT OF ENVIRONMENTAL SCIENCE FACULTY OF SCIENCE Mark Huijbregts and Aafke Schipper Environmental Sciences."— Presentation transcript:

1 DEPARTMENT OF ENVIRONMENTAL SCIENCE FACULTY OF SCIENCE Mark Huijbregts and Aafke Schipper Environmental Sciences

2 Radboud University Nijmegen Environmental Sciences Introduction Mark Huijbregts Assistent Professor, Department Environmental Science, Radboud University, Nijmegen Field of Expertsise: Risk Assessment of chemicals and Life Cycle Assessment of products Aafke Schipper Postdoc, Department Environmental Science, Radboud University, Nijmegen Field of Expertise: Multistress assessment in river ecosystems

3 Radboud University Nijmegen Environmental Sciences Human and Environmental Risk Assessment (HERA): Substances StaffDr. Ad Ragas, Dr. Mark Huijbregts Prof. Dik v.d. Meent/Ton Breure (RIVM), Prof. Jan Hendriks AimEnvironmental risk management Topicsrisk assessment, uncertainty analysis critical body burdens, valuation CO 2, CH 4, N, PCB, Cd, H + …

4 Radboud University Nijmegen Environmental Sciences Nature and Water Management (NWM): Rivers and Estuaries StaffDr. Rob Leuven, Dr. Rob Lenders Dr. Marieke van Katwijk, Prof. Peter Herman (NIOO), Prof. Jan Hendriks AimIntegrated river-coastal management TopicsDevelopment and restoration, rivers- estuaries, multi-stress, sea grass meadows, eco-engineering, bio-invasions

5 Radboud University Nijmegen Environmental Sciences Uncertainty in a risk assessment framework 1. Expertise RU - EUTGD spreadsheet, Simplebox - Monte Carlo simulation Comparison with field data Uncertainty versus variability 2,9 2. Contribution RU - Assessment of uncertainty in environmental risk outcomes due to uncertainties in the new QSAR regression equations - Identifying dominant sources of uncertainties in the probabilistic analysis - Comparison with field data? References 1. Roelofs et al ETC 22 (6): Hauck et al. Chemosphere 72 (6): Harbers et al EST 40 (5): Henning-de Jong et al ETC 27 (3): Smitkova et al SAR QSAR Research 16 (5): 483– Hauck et al EST 41 (8): Hendriks et al Chemosphere 70 (1): De Vos et al Chemosphere 70 (10): Ragas et al IEAM 5 (1): 27–37.

6 Radboud University Nijmegen Environmental Sciences 1. Expertise RU - Mechanistic population/ecosystem models Multivariate statistical analysis 4 - Valuation from the life cycle assessment of products 2. Contribution RU - Quantifying effects of toxicants on ecosystem services - mechanistic versus statistical - various geographical scales - comparison with other stressors - Value of the ecosystem services affected - Application to the chemical classes included in CADASTER References 1. Breure et al Science of the Total Environment 406 (3): Hendriks, Ecological Modelling 2007; 205: Hendriks and Enserink, Ecological Modelling 88 (1-3): Schipper et al Environmental Pollution 151: Valuation of substitution of chemicals


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