Federico Borella

Of water and people
Location: bologna
Nationality: Italian
Biography: Federico Borella is a photojournalist working for QN (Quotidiano Nazionale ), national newspaper in Bologna, Italy. Since 2009 to date—he has also contributed to La Repubblica and L'Espresso Group.  Internationally published ,... MORE
Public Story
Of water and people
Copyright Federico Borella 2023
Date of Work Sep 2019 - Ongoing
Updated Nov 2019
Location missi delta
Topics Abundance, Agriculture, Animals, Business, Capitalism, climate change, Community, Dying/Death, Environment, Globalization, Oil, Science, Water
Each year, excess nutrients from cities and farms are drained into the Gulf of Mexico trough the Mississippi River.

An overabundance of nitrates and phosphorus can cause algae to grow abnormally fast. When algal blooms die, the decaying matter consumes the oxygen and kills out fish, shellfish, coral and vegetation, causing a hypoxic area, or “Dead zone. 

Nutrient runoff is a considerable threat to North America’s marine and fresh water systems, threatening natural areas and wildlife habitat, tainting drinking water supplies, and imposing tremendous water treatment costs on communities.     
The largest human-caused hypoxic zone currently affecting the United States, and the second largest worldwide, occurs in the northern Gulf of Mexico adjacent to the Mississippi River on the Louisiana and Texas continental shelf. In 2017, it has been measured with the record size of 8,776 square miles, approximately the same size as the state of Massachusetts. 

The Gulf’s hypoxic zones are caused by excess nutrient pollution, primarily from human activities such as agriculture, wastewater treatment, urbanization and burning of fossil fuels.

The cause for much of this fertilizer pollution is also deeply related to a high demand for meat in the U.S. where areas of native grassland are being converted into soy and corn fields to feed livestock.
The dead zone threatens the commercial and recreational fisheries of the Gulf, valued at almost $1 billion.

According with a study led by the Duke University, it also drives up the price of large shrimp relative to smaller sizes, causing economic ripples that can affect consumers, fishermen and seafood markets alike. But dead zones are not confined to U.S. waters: They affect dozens of coral reefs around the world stretching from South America to Japan and elsewhere and threaten hundreds more, according to a new study by Smithsonian scientists published in Proceedings of the National Academy of Sciences.                              

Scientists are also worried that warming waters in the Gulf of Mexico could increase rates of hypoxia, reducing the oxygen levels. Climate change is also expected to cause more intense precipitation and flooding in the Midwest, which will contribute to the amount of chemical fertilizer washed into the ocean. In July 2019, a bloom of toxic algae has forced Mississippi to close 25 beaches along its Gulf Coast. State environmental officials say people can still visit the sandy beaches but they should avoid any contact with the water. The blue-green algae “can cause rashes, stomach cramps, nausea, diarrhea and vomiting,” the Mississippi Department of Environmental Quality says.    

Policymakers developed goals to reduce the area of hypoxic extent because of its ecological, economic, and commercial fisheries impacts. However, the goals remain elusive after 30 years of research and monitoring and 15 years of goal-setting and assessment be- cause there has been little change in river nitrogen concentrations. The Mississippi /Gulf of Mexico Hypoxia Task force (established in 1997) along with several organizations like The nature conservancy, are working with farmers, academia, governments, and the agriculture industry to tackle the challenge of nutrient runoff.                                                                            
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Of water and people by Federico Borella
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