In Dead Water

Figure 4. The continental shelves and under-water mountain ranges, so called seamounts (light blue shaded areas), are of immense importance to fisheries. Indeed, over half of the World’s marine landings are associated with ca 7.5% of the oceans, concentrated on the continental shelves.

Figure 5. Primary production in the World’s oceans provide a quite similar pattern to the World’s fisheries (see Figure 6), concentrated along the continental shelves.


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