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Environmental Sciences

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

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Environmental Sciences

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  1. Environmental Sciences

  2. 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. Human and Environmental Risk Assessment (HERA): Substances • Staff Dr. Ad Ragas, Dr. Mark Huijbregts Prof. Dik v.d. Meent/Ton Breure (RIVM), Prof. Jan Hendriks • Aim Environmental risk management • Topics risk assessment, uncertainty analysis critical body burdens, valuation • CO2, CH4, N, PCB, Cd, H+ …

  4. Nature and Water Management (NWM): Rivers and Estuaries • Staff Dr. Rob Leuven, Dr. Rob Lenders • Dr. Marieke van Katwijk, Prof. Peter • Herman (NIOO), Prof. Jan Hendriks • Aim Integrated river-coastal management • Topics Development and restoration, rivers- • estuaries, multi-stress, sea grass meadows, eco-engineering, bio-invasions

  5. Uncertainty in a risk assessment framework • 1. Expertise RU • - EUTGD spreadsheet, Simplebox • Monte Carlo simulation1-4 • Comparison with field data5-8 • Uncertainty versus variability2,9 • 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. 2003. ETC 22 (6): 1387-1393. 2. Hauck et al. Chemosphere 72 (6): 959-967. 3. Harbers et al. 2006. EST 40 (5): 1573-1580. 4. Henning-de Jong et al. 2008. ETC 27 (3):737-745. 5. Smitkova et al. 2005. SAR QSAR Research 16 (5): 483–493. 6. Hauck et al. 2007. EST 41 (8): 2738-2744. 7 Hendriks et al. 2007. Chemosphere 70 (1): 46-56. 8. De Vos et al. 2008. Chemosphere 70 (10): 1766-1773. 9. Ragas et al. 2009. IEAM 5 (1): 27–37.

  6. Valuation of substitution of chemicals • 1. Expertise RU • - Mechanistic population/ecosystem models1-3 • Multivariate statistical analysis4 • 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. 2008. Science of the Total Environment 406 (3): 530-536. 2. Hendriks, 2007. Ecological Modelling 2007; 205: 196-208. 3 Hendriks and Enserink, 1996. Ecological Modelling 88 (1-3): 247-262. 4. Schipper et al. 2008. Environmental Pollution 151: 17-26.

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