the best science on the web about
dead zones (aquatic)

Dead Zones: A Symptom of Nutrient Pollution
Image: NOAA

Dead Zones: A Symptom of Nutrient Pollution

You might think feasting phytoplankton would fill our air with oxygen, since they already give us half our oxygen. But in fact, overfeeding phytoplankton leads to dead zones: vast areas without fish or much else because most of the oxygen is gone.

How do nutrients draining off farms and yards lead to this? What can be done? Dive into aquatic dead zones here.

NOAA
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Dead Zones: Photo Gallery

Dead Zones: Photo Gallery

A guided tour of the world's dead zones is yours for the clicking. You'll go from Lake Erie to the Arabian Sea to Thailand to… Unfortunately, there are lots of dead zones. More...

Images
The Christian Science Monitor
Aquatic Dead Zones

Aquatic Dead Zones

Here's a map showing the world's aquatic dead zones. Notice where they lie — down river from regions where lots of people live crowded together. More...

Images
NASA
Dead Zone: Slideshow

Dead Zone: Slideshow

What we do affects the oceans, even if we live far away from them. Also, what happens to them, affects us. More...

Images
The Nature Conservancy
Dead Zones

Dead Zones

In the 1970s, there were a few dead zones; now there are hundreds. Find out more from the videos on this site. More...

Video
Stony Brook University
The Gulf of Mexico Dead Zone

The Gulf of Mexico Dead Zone

The dead zone in the Gulf of Mexico covers about 7,000 square miles (18,130 square kilometers). How has it formed? Why is it harmful? This site looks at the zone from several angles. More...

Interactive
Science Museum of Minnesota
The Gulf of Mexico Dead Zone

The Gulf of Mexico Dead Zone

If you're doing a project on dead zones, this is the site for you. Make sure to explore the links at the bottom of the page. More...

Article
Carleton College
What Causes Ocean Dead Zones?

What Causes Ocean Dead Zones?

If you're looking for a quick review of dead zones, with the key terms defined, you'll find it here. More...

Article
Scientific American
Why Can’t Humans Breathe Under Water?

Why Can’t Humans Breathe Under Water?

If you think the oxygen being used up in dead zones is the oxygen in water molecules, then you had better read this...quickly. More...

Article
HowStuffWorks
World’s Largest Dead Zone Suffocating Sea

World’s Largest Dead Zone Suffocating Sea

Scientists fear it may be too late to save the Baltic Sea, which harbors 7 of the world's 10 largest dead zones. More...

Article
National Geographic

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