Coastal Upwelling Often Occurs at Sites of the Most Productive

question 110

Multiple Choice

Coastal upwelling often occurs at sites of the most productive marine fisheries.However, production in these fisheries may vary greatly from year to year, depending on the strength and location of the upwelling.Which factor would be most likely to affect year-to-year upwelling, and therefore fishery production?

• A) Coastline topography
• B) Underwater topography
• C) Wind strength and direction
• D) Species of fish in the ecosystem
• E) Presence of phytoplankton blooms

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