Global pattern in the development of coastal hypoxia. Each red dot represents a documented case related to human activities. Number of hypoxic sites is cumulative through time. Black lines represent continental shelf areas threatened with hypoxia from expansion of OMZ and upwelling. Modified from Díaz and Rosenberg (2008) and Levin et al. (2009a). Over the […]
By CORNELIA DEANPublished: May 15, 2007 Scientists have known for years that when fishing trawlers drag nets and gear across the ocean bottom they trap or kill almost all the fish, mollusks and other creatures they encounter. And the dragging destroys underwater features like reefs, turning the bottom to mud. Now, scientists have used satellite […]
By Les Blumenthal | McClatchy Newspapers • Published November 07, 2009 WASHINGTON — Off the coast of Washington state, mysterious algae mixed with sea foam have killed more than 8,000 seabirds, puzzling scientists. A thousand miles off California, researchers have discovered the Great Pacific Garbage Patch, a swirling vortex roughly twice the size of Texas […]
Stream protection rules await action as seasonal problem endures By BRIAN NEARING, Staff writer LAKE GEORGE — With new rules to protect Lake George’s streams still to be unveiled, this summer marked the 23rd in a row in which a pollution-fueled “dead zone” formed in deep water at the southernmost end of the lake. From […]
CORVALLIS, Oregon, October 8, 2009 (ENS) – Climate change is likely responsible for the formation of a large dead zone that has formed off the coast of Oregon and Washington for the past eight years, researchers from Oregon State University said today. Dead zones are ocean expanses that lose most of their marine life during […]
World’s nations must drastically reduce greenhouse-gas emissions, author says By MONIQUE BEAUDIN, The Gazette, Published: Thursday, September 17, 2009 For more than two years, Canadian writer Alanna Mitchell travelled the world’s oceans, meeting scientists whose research was uncovering a crisis in the planet’s large bodies of water. Overfishing, coastal dead zones and rising water temperatures […]
What do the Gulf of Mexico’s “dead zone,” global climate change and acid rain have in common? They’re all a result of human impacts to Earth’s biology, chemistry and geology, and the natural cycles that involve all three. On August 4-5, 2009, scientists who study such cycles – biogeochemists — will convene at a special […]
By Timothy Gardner WASHINGTON (Reuters) – The “dead zone” in the Gulf of Mexico, an area choked by low oxygen levels that threatens marine life, is smaller than expected this year but more deadly, the government said on Monday. The zone, caused by a runoff of agricultural chemicals from farms along the Mississippi River, measured […]
(NOAA Headquarters) NOAA-supported scientists from the Louisiana Universities Marine Consortium, Louisiana State University, and the University of Michigan are forecasting that the "dead zone" off the coast of Louisiana and Texas in the Gulf of Mexico this summer could be one of the largest on record. Scientists are predicting the area could measure between 7,450 […]
By Anna Salleh Giant jelly fish are taking over parts of the world’s oceans due to overfishing and other human activities, say researchers. Dr Anthony Richardson of CSIRO Marine & Atmospheric Research and colleagues, report their findings in the journal Trends in Ecology and Evolution. “We need to take management action to avert the marine […]
