El Nino affects the fishing industry by decreasing the number of fishes. This is because the nutrients no longer come to the surface, then the fish migrates or dies in that region.
Further Explanation:
Warm current in the Pacific Ocean is caused due to change in the temperature of the water that is called El Nino. It is related to the belt of warm ocean water developed in the central and eastern-central equatorial Pacific that includes the area of South America's Pacific coast.
El Nino is conveyed by western Pacific high air pressure and eastern Pacific low air pressure. The countries that are under the developing stage get most affected by it, particularly those countries that depend on fishing and agriculture. El-Nino decreases the rate of upwelling of water on the coast. Upwelling occurs when nutrient-rich or cold water “wells up” from the surface. If this process is disrupted manly due to El Nino, the movement of marine life is also affected. That’s why fish either migrate or die due to lesser nutrients coming up on the surface.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Ecology
Keywords:
El Nino, pressure, pacific, air pressure, fishing, agriculture, souther America, central, equatorial, earth, pacific ocean, marine, upwelling, water, nutrient.
