Why are many successful fisheries located near areas of upwelling?

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because they have high nutrient levels. These nutrients are used by alage, which is then eaten by zooplankton. The zooplankton become Why_are_upwelling_zones_usually_home_to_schools_of_fishfor the fish, and so there is a large food source in these areas. This plentiful food source can then support huge schools of fish. And stuff like that.

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