Cumulative Effects Notes and Pdf/2014... · Fish oriented Goal: protect fish or ecosystem health...

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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 …..

Transcript of Cumulative Effects Notes and Pdf/2014... · Fish oriented Goal: protect fish or ecosystem health...

Page 1: Cumulative Effects Notes and Pdf/2014... · Fish oriented Goal: protect fish or ecosystem health Chemical 1 ... Crude Oil Phenanthrene Effects I Membrane stability I Phagocytosis

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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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Page 3: Cumulative Effects Notes and Pdf/2014... · Fish oriented Goal: protect fish or ecosystem health Chemical 1 ... Crude Oil Phenanthrene Effects I Membrane stability I Phagocytosis

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Polycyclic Aromatic Hydrocarbons (PAHs)

Deepwater Horizon - DWH

Exposure (days of oiling)

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PAH

Seawater vs freshwater environmental and

risk differences

Drinking rates, elimination systems

Micro habitat, etc.

Hypothetical model

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Immunotoxicity

Codfish Model from Couillard et al.

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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?