The world's major oceanic fisheries are in upwelling zones because
A) this is where the warmest and thus most productive waters are found.
B) deep water is forced up in these zones bringing fish to depths where they are more economically fished.
C) deep water is forced up in these zones bringing nutrients to phytoplankton near the surface.
D) the deep water forced up in these zones contains high levels of phosphorous.
E) deep water is forced up in these zones bringing phytoplankton to fish near the surface.

Question

Quizplus · Accepted Answer

Upwelling zones are areas where deep, nutrient-rich water is brought to the surface. This process supplies essential nutrients to phytoplankton, the base of the oceanic food chain, leading to high productivity and supporting large populations of fish and other marine life.

The World's Major Oceanic Fisheries Are in Upwelling Zones Because