Cumulative Effects Interactions with local environment Route of - PDF document

12/4/2014 Cumulative Effects • Interactions with local environment • Route of exposure • Life stage effects • Prior stress history • Oxygen stress and osmotic relationships • Trophic changes • Energetic capacity • ….. 1

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12/4/2014 Polycyclic Aromatic Hydrocarbons (PAHs) Deepwater Horizon - DWH Exposure (days of oiling) 3

12/4/2014 PAH Seawater vs freshwater environmental and risk differences Drinking rates, elimination systems Micro habitat, etc. Hypothetical model 4

12/4/2014 Immunotoxicity Codfish Model from Couillard et al. 5

12/4/2014 Whitehead model and use of DEB Do you remember our discussion paper??? Monitoring and Mitigation • Limitations of present monitoring systems? • Dispersants? • What do you think would work? 6