12/4/2014 1 Cumulative Effects • Interactions with local environment • Route of exposure • Life stage effects • Prior stress history • Oxygen stress and osmotic relationships • Trophic changes • Energetic capacity • …..
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12/4/2014
1
Cumulative Effects
• Interactions with local environment
• Route of exposure
• Life stage effects
• Prior stress history
• Oxygen stress and osmotic relationships
• Trophic changes
• Energetic capacity
• …..
12/4/2014
2
12/4/2014
3
Polycyclic Aromatic Hydrocarbons (PAHs)
Deepwater Horizon - DWH
Exposure (days of oiling)
12/4/2014
4
PAH
Seawater vs freshwater environmental and
risk differences
Drinking rates, elimination systems
Micro habitat, etc.
Hypothetical model
12/4/2014
5
Immunotoxicity
Codfish Model from Couillard et al.
12/4/2014
6
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?
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