The ocean ecosystem grows due to downwelling currents
A tremendous ecosystem grows along the coast due to downwelling longshore currents because this downwelling longshore currents regulates the bottom region of the ocean. These currents provide oxygen and distributing heat to deeper region of the ocean where majority of aquatic organisms are located. This current also bring nutrients to the surface in order to reduce toxicity of nutrients at the bottom as well as provides nutrients to the surface region.
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