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Figure 27. The locations of major problem areas for invasive species infestations or occurrence of exotic species in the ma-
rine environment.
The impacted areas are concurrent with the areas subjected to the worst pollution, the most intensive
fisheries and bottom trawling, and major shipping routes.
Figure 28. The major pathways and origins of invasive or exotic species infestations in the marine environment.
These
patterns are strikingly concurrent with major shipping routes.