Why Is The Gulf Of Mexico A Dead Zone? Human activities in urban and agricultural areas throughout the Mississippi River watershed primarily cause the annual “dead zone.” Excess nutrients flow into the Gulf of Mexico and stimulate an overgrowth of algae, which die and decompose. The algae deplete oxygen as they sink to the bottom.
Is The Gulf Of Mexico Polluted? The annual Gulf of Mexico dead zone is primarily caused by excess nutrient pollution from human activities in urban and agricultural areas throughout the Mississippi River watershed. … In May 2021, discharge in the Mississippi and Atchafalaya rivers was about 2% below the long-term average between 1980 and 2020.
Where Is The Second Largest Dead Zone In The World? The second largest dead zone in the world is located in the U.S., in the northern Gulf of Mexico. What is the largest Deadzone in the world? The largest dead zone in the world lies in the Arabian Sea, covering almost the entire 63,700-square mile