How is a dead zone created?
Dead zones are low-oxygen, or hypoxic, areas in the world’s oceans and lakes.
That is why these areas are called dead zones.
Dead zones occur because of a process called eutrophication, which happens when a body of water gets too many nutrients, such as phosphorus and nitrogen..
Where do dead zones form?
Dead zones, facts and information. Large zones of low-oxygen water—dead zones—form annually in the Gulf of Mexico, as well as many other areas around the world.
Can a dead zone recover How?
Coastal waters contain the vast majority, though some exist in inland waterways. A handful of the 166 dead zones have since bounced back through improved management of sewage and agricultural runoff, but as fertilizer use and factory farming increase, we are creating dead zones faster than nature can recover.
How can we prevent dead zones?
Managing Runoff to Reduce the Dead ZoneNutrient management: The application of fertilizers can vary in amount, timing, and method with varying impacts on water quality. … Cover Crops: Planting of certain grasses, grains or clovers, called cover crops can recycle excess nutrients and reduce soil erosion, keeping nutrients out of surface waterways.More items…•