Study: Sewage-Derived Nitrogen Increasingly Polluting Caribbean Ecosystems
Washington, D.C. - May 16, 2011 20:03 EST
Nitrogen pollution in our coastal ecosystems, the result of widespread use of synthetic agricultural fertilizers and of human sewage, leads to decreased water transparency, the loss of desirable fish species, and the emergence of toxic phytoplankton species—such as the algae...
Researchers Searching For War Of 1812 Shipwrecks In Lake Ontario
Indiana, Pennsylvania - May 16, 2011 11:00 EST
The Titanic may be disintegrating, but if two Indiana University of Pennsylvania professors have their way, shipwrecks from the War of 1812 won't face the same fate.
Dr. Katie Farnsworth, IUP Geoscience Department, and Dr. Ben Ford, Anthropology Department, are preparing...
Study: Darkness Stifles Reproduction Of Surface-Dwelling Fish
Raleigh, North Carolina - May 11, 2011 20:59 EST
There's a reason to be afraid of the dark.
Fish accustomed to living near the light of the water's surface become proverbial "fish out of water" when they move to dark environments like those found in caves, according to a study...
CO2 Makes Life Difficult For Algae: Coccoliths Dissolve When Seawater Acidifies
fCopenhagen, Denmark - May 10, 2011 23:16 EST
The acidification of the world's oceans could have major consequences for the marine environment. New research shows that coccoliths, which are an important part of the marine environment, dissolve when seawater acidifies.
Associate Professor Tue Hassenkam and colleagues at the...
Researchers: Mercury Converted To Its Most Toxic Form In Ocean Waters
Edmonton, Alberta - Apr 30, 2011 18:47 EST
University of Alberta-led research has confirmed that a relatively harmless inorganic form of mercury found worldwide in ocean water is transformed into a potent neurotoxin in the seawater.
After two years of testing water samples across the Arctic Ocean, the...
Scalloped Hammerheads Declared Overfished In U.S. Atlantic; 83% Population Decline
Washington, D.C. - Apr 29, 2011 18:48 EST
Shark Advocates International is highlighting a new National Marine Fisheries Service (NMFS) determination that U.S. Atlantic scalloped hammerhead sharks are overfished and subject to excessive fishing pressure. Scientists estimate that the population has declined by more than 80% from its...
Researchers: Eddies Found To Be Deep, Powerful Modes Of Ocean Transport
Woods Hole, Massachusetts - Apr 29, 2011 18:14 EST
Researchers from Woods Hole Oceanographic Institution (WHOI) and their colleagues have discovered that massive, swirling ocean eddies—known to be up to 500 kilometers across at the surface—can reach all the way to the ocean bottom at mid-ocean ridges, some 2,500...
Eat Your Anchovies: Fish Livers Contain Beneficial Fatty Acids
Almeria, Spain - Apr 28, 2011 15:27 EST
The fishing industry usually discards fish livers, but a team of researchers from the University of Almeria (Spain) has confirmed that they are a good source of polyunsaturated fatty acids, which are beneficial to health. Anchovies are one of the...
Research: Fish Can Detect And Record Marine 'Dead Zones'
Syracuse, New York - Apr 28, 2011 10:48 EST
The discovery that fish can pick up — and physically record — evidence of "dead zones" in oceans and coastal waters could help scientists understand how fish deal with the growing problem of low-oxygen areas that threaten fisheries and tourism...