Hypoxia is a drastic reduction in the amount of oxygen dissolved in water—a state that can be fatal to fish and other gill-breathing animals. Hypoxia is most often caused by pollution from nitrogen and phosphorus compounds derived from...

Hypoxia or oxygen depletion is a phenomenon that occurs in aquatic environments as dissolved oxygen (DO; molecular oxygen dissolved in the water) becomes reduced in concentration to a point detrimental to aquatic organisms living in the system....

In the last 10 years, naval aviation recorded more than three dozen episodes of hypoxia, 12 of which involved the FA-18. Three of the Hornet episodes resulted in Class-A mishaps. In one instance, the first report of the mishap's scenario seemed peculiar: The...

The task force from Ohio State University is set up to study Mississippi river watershed. The task force recommends upto 24 million acres of wetland and buffers along the Mississippi river course. Task force recommends up to 24 million acres of wetlands and...

The oxygen-poor "dead zone" off the Louisiana and Texas coasts isn't quite as big as predicted this year, but it is still the third-largest ever mapped, a scientist said Saturday.Crabs, eels and other creatures usually found on the bottom of the Gulf of Mexico are...

Fresh water pouring into the Gulf of Mexico after weeks of flooding in Texas has created an oxygen-depleted "dead zone" that threatens sea life, a researcher said Tuesday.Steve DiMarco, a professor of oceanography at Texas A&M University, said freshwater runoff from the swollen Brazos River...