2. Figure 3. The Deepwater Horizon oil spill presents a vast and complex three-dimensional threat to organisms,
habitats and ecosystems of the northern Gulf of Mexico. Each resource listed above is evaluated by a team of
experts known as a Technical Working Group.

3. Figure 4. Potential pathways by which oil released from the Macondo well moved through the marine and coastal ecosystems and reached the bottom
sediments.32

4. Figure 5. Preliminary conceptual model for selected natural resource exposure and injuries within the Gulf of Mexico marine ecosystem.