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Yahoo! My Yahoo! Mail More Yahoo! Services Account Options New User? Sign Up Sign In Help Yahoo! Search web search ADVERTISEMENT Home Singapore Asia Pacific World Business Entertainment Sports Technology Weekend Edition Top Stories Most Popular Photos Full Coverage Sitemap Global warming could spur toxic algae, bacteria in seas AFP - Sunday, February 20 Send IM Story Print Global warming could spur toxic algae, bacteria in seas WASHINGTON (AFP) - – Global warming could spur the growth of toxic algae and bacteria in the world's seas and lakes, with an impact that could be felt in 10 years, US scientists said Saturday. Studies have shown that shifts brought about by climate change make ocean and freshwater environments more susceptible to toxic algae blooms and allow harmful microbes and bacteria to proliferate, according to researchers from the National Oceanic and Atmospheric Administration (NOAA). In one study, NOAA scientists modeled future ocean and weather patterns to predict the effect on blooms of Alexandrium catenella, or the toxic "red tide," which can accumulate in shellfish and cause severe symptoms, including paralysis, in humans who eat the contaminated seafood. "Our projections indicate that by the end of the 21st century, blooms may begin up to two months earlier in the year and persist for one month later compared to the present-day time period of July to October," said Stephanie Moore, one of the scientists who worked on the study. But the impact could be felt well before the end of this century -- as early as 2040, she said at the annual meeting of the American Association for the Advancement of Science. "Changes in the harmful algal bloom season appear to be imminent. We expect a significant increase in Puget Sound (off the coast of Washington state where the study was conducted) and similar at-risk environments within 30 years, possibly by the next decade," said Moore. In another study, NOAA scientists found that desert dust, which contains iron, deposited into the ocean from the atmosphere could lead to increases of harmful bacteria in the seawater. Researchers from the University of Georgia found that adding desert dust to seawater significantly stimulated the growth of Vibrios, a group of ocean bacteria that can cause gastroenteritis and infectious diseases in humans. "Within 24 hours of mixing weathered desert dust from Morocco with seawater samples, we saw a huge growth in Vibrios, including one strain that could cause eye, ear and open wound infections, and another strain that could cause cholera," said Erin Lipp, who worked on the study. The amount of iron-containing dust deposited in the sea has increased over the last 30 years and is expected to continue to rise, based on precipitation trends in western Africa that are causing desertification. Rising precipitation in some parts of the world and lack of rain in other parts has been blamed on climate change by some experts. Global warming has also been blamed for rising ocean temperatures, and "a warming ocean, which we know is happening, increases the likelihood of disease that affects both wildlife and humans," NOAA administrator Janet Lubchenco told AFP. Unhealthy oceans impact not only human and animal health but also affect countries' economies, said Lubchenco, noting that US coastal states are home to eight in 10 Americans and generated 83 percent of US GDP in 2007. Last year, Americans got a stark reminder of the key role played by marine ecosystems in their lives and livelihoods when a BP deepwater well ruptured in the Gulf of Mexico, sending millions of barrels of oil spewing into the sea waters and crippling the region's tourism and seafood industries. President Barack Obama for a $2.9 million funding increase for NOAA in his 2012 budget to establish an oil spill research and development program to provide "useful information, methods and tools for prevention, response and assessment of oil spill impacts," noted Lubchenco. NOAA also wants to consolidate its climate change services into a single office, but the Republican-controlled House of Representatives voted Saturday to slash funding to the agency, putting many of its programs in jeopardy. Recommend Send IM Story Print News Search Top Stories Baddeley leads, Couples lurks at Riviera golf open Mourinho home joy as Real close gap on Barca Global warming could spur toxic algae, bacteria in seas US House cuts $61 bn in spending, shutdown looms Libyan regime hits back with deadly crackdown More Top Stories » ADVERTISEMENT Most Popular Most Viewed Britain's Fergie 'not invited to royal wedding' Mourinho home joy as Real close gap on Barca Obama vows US will 'out-hustle' world Global warming could spur toxic algae, bacteria in seas Fewer big fish in the sea, say scientists More Most Viewed » More Most Recommended » Elsewhere on Yahoo! Financial news on Yahoo! Finance Stars and latest movies Best travel destinations More on Yahoo! News Home Singapore Asia Pacific World Business Entertainment Sports Technology Weekend Edition Subscribe to our news feeds Top StoriesMy Yahoo!RSS » More news feeds | What are news feeds? Also on Yahoo! 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