An upwelling zone off the coast of Peru, in South America, has a very high net productivity.The factor that probably contributes most to the region's high NPP is its

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The upwelling zone off the coast of Peru is known for the nutrient-rich water that rises from deep ocean currents. This nutrient-rich water supports photosynthetic organisms, such as phytoplankton, which form the base of the marine food web. The increased nutrients from deep water, therefore, are the most significant factor contributing to the region's high net productivity.

An Upwelling Zone Off the Coast of Peru, in South