Zooplankton feed on phytoplankton, so their distribution areas are very close. Many fish feed on zooplankton, so most of the world's major fishing areas are distributed with phytoplankton productivity.<br>1. Although the pelagic zone accounts for about 90% of the global ocean area, its catch is less than 1%.<br>2. About 90% of the global catch comes from coastal areas, especially in coastal upwelling areas. In fact, 98% of the world's catch is captured within the 300 km / 185 mile coastline, which explains the current global concern over territorial issues.<br>
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