By PETER KERFebruary 22, 2010 Close to 300 kilometres of the Murray River has been declared off limits to humans and animals, as a toxic algal bloom worsened yesterday. As the river between Wodonga and Echuca was elevated to ”red alert” for algal bloom, there were concerns the risks to human health were not being […]
February 17, 2010 PEOPLE are being warned to avoid contact with the Murray River for the second time in less than a year, as a toxic algal bloom takes hold in the river’s upper reaches. A ”red alert” has been issued for more than 150 kilometres between Hume Dam and Cobram, while the stretch from […]
By Martin Mittelstaedt From Wednesday’s Globe and Mail Published on Tuesday, Feb. 09, 2010 10:11PM EST Last updated on Thursday, Feb. 11, 2010 3:11AM EST Scientists studying burbot in the Mackenzie River, one of the country’s most pristine rivers, have been surprised to discover that mercury, PCBs and DDT in the fish are rising rapidly, […]
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 Matt Weisermweiser@sacbee.comPublished: Sunday, Dec. 27, 2009 – 12:00 am | Page 1BLast Modified: Sunday, Dec. 27, 2009 – 1:31 am Lake Tahoe, Clear Lake and four other large lakes in Northern California and Nevada are warming faster than the surrounding atmosphere, suggesting climate change may affect aquatic environments faster and sooner. The findings […]
The mysterious bird-killing algae that coated Washington’s ocean beaches this fall with slimy foam was the biggest and longest-lasting harmful algal bloom in Northwest history. Now the phenomenon that killed at least 10,000 seabird has scientists consumed by questions: Was it a rogue occurrence, rarely if ever to be repeated, or a sign of some […]
Caption by Holli Riebeek with information provided by Kenneth Duda, USGS Earth Resources Observation and Science (EROS) Center. Normally a picturesque blue lake surrounded by steep volcanoes and Mayan settlements, Guatemala’s Lake Atitlán acquired a film of green scum in October and November 2009. A large bloom of cyanobacteria, more commonly known as blue-green algae, […]
By JOHN ELDERNovember 15, 2009 THOUSANDS of muttonbirds – upon arriving in Australia to breed – have been found dead along the Victorian and NSW coasts in the past two weeks. The birds, properly known as short-tailed shearwaters, probably died from exhaustion and malnutrition following their migratory flight to Australia from the Arctic Pacific. The […]
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 […]
By JUDITH KOHLER, Associated Press Writer Judith Kohler, Associated Press Writer – Thu Nov 5, 4:51 pm ET DENVER – Airborne nitrogen pollution from vehicle exhaust and farm fertilizer is turning algae in the alpine lakes of Rocky Mountain National Park into junk food for fish, a study says. A similar phenomenon is occurring in […]
