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Tag: "algae" at biology news

Scientists discover unique microbe in California's largest lake

...sity of Oregon havediscovered a form of blue-green algae that lives independently inCalifornia's Salton Sea...organism while studying the diversity ofblue-green algae in the hypersaline lake as part of the comprehensivestudy of the Salton Sea coordinated by Professor...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

... big farms can trigger sudden explosions of marine algae capable of disrupting ocean ecosystems and even pr...g the rapid reproduction and growth of microscopic algae called phytoplankton. These algal blooms are natural events that benefit life in the gulf by generat...

Man-made wetland's effectiveness similar to natural marsh

...llution. High levels of these nutrients can cause algae to flourish, often to the detriment of fish and ot...re of a concern in freshwater areas, as freshwater algae thrive on this nutrient, nitrogen is a considerable problem in the Gulf of Mexico. Each spring, the...

Mutation in clams protects against paralytic shellfish poisoning but raises human health risk

...he evolution of shellfish in the presence of toxic algae and increases the risk of PSP to people who eat clams by enabling contaminated clams to survive in the presence of toxins. The report, "Sodium channel mutation leading to saxitoxin resistance in clams increases risk of PSP," was written by a team of...

Scientists find viruses can't stick to sea bugs in the dark

...ainst problematic algal blooms. On hot, sunny days algae can cause massive, toxic blooms, poisoning huge areas of the sea with their waste products and killing fish, sea mammals such as whales, dolphins and seals, and even humans. Control of these blooms is vital to the health of the seas. "Research using...

Evidence of 600-million-year old fungi-algae symbiosis discovered in marine fossils

... numerous reports of fossil discoveries, including algae and animal embryos. Taylor, a member of the Nation... colonize the land. But did cyanobacteria or other algae form similar relationships with fungi in the marine environment, perhaps long before the evolution o...

Roundup®highly lethal to amphibians, finds University of Pittsburgh researcher

...ugh an herbicide, actually increased the amount of algae in the pond because it killed most of the frogs. "It's like killing all the cows in a field and seeing that the field has more grass in it--not because you made the grass grow better, but because you killed everything that eats grass," he said. Pre...

Deep sea algae connect ancient climate, carbon dioxide and vegetation

...ntaining compounds produced by ancient sea surface algae that were recently isolated in deep sea drill cores. The data indicates that between 45 - 34 million years ago the atmospheric carbon dioxide level was up to five times greater than today, with a sharp decrease and then stabilization to near modern ...

Invasive parasite destroying fish species

...ntaining compounds produced by ancient sea surface algae that were recently isolated in deep sea drill cores. The data indicates that between 45 - 34 million years ago the atmospheric carbon dioxide level was up to five times greater than today, with a sharp decrease and then stabilization to near modern ...

Stem cells grown in lab mirror normal developmental steps

...ntaining compounds produced by ancient sea surface algae that were recently isolated in deep sea drill cores. The data indicates that between 45 - 34 million years ago the atmospheric carbon dioxide level was up to five times greater than today, with a sharp decrease and then stabilization to near modern ...

Shark skin saves naval industry money

...mponent on marine life. As barnacles, mussels and algae cause up to 15% increase in the drag resistence of ships, this research is providing an alternative anti-fouling strategy of great importance. ...

Experts discuss use of human stem cells in ape and monkey brains

...mponent on marine life. As barnacles, mussels and algae cause up to 15% increase in the drag resistence of ships, this research is providing an alternative anti-fouling strategy of great importance. ...

Ethical guidelines suggested for research that would put human stem cells in primates

...mponent on marine life. As barnacles, mussels and algae cause up to 15% increase in the drag resistence of ships, this research is providing an alternative anti-fouling strategy of great importance. ...

Three deadly parasite genomes sequenced

...mponent on marine life. As barnacles, mussels and algae cause up to 15% increase in the drag resistence of ships, this research is providing an alternative anti-fouling strategy of great importance. ...

Researchers at UGA provide first look at protein expression in Chagas disease-causing parasites

...mponent on marine life. As barnacles, mussels and algae cause up to 15% increase in the drag resistence of ships, this research is providing an alternative anti-fouling strategy of great importance. ...

Study shows eutrophic lakes may not recover for a millennium

...nto lakes and streams. It stimulates the growth of algae and has transformed many of the world's lakes from... Carpenter notes, have a higher incidence of toxic algae blooms, which would make the lake unfit for swimming or exposure to domestic animals and pets. "And...

Microbe has huge role in ocean life, carbon cycle

... and the resulting oxygen on Earth are produced by algae in the ocean, and microbes like SAR11 recycle organic carbon - producing the nutrients needed for algal growth. "Ultimately, SAR11 through its sheer abundance plays a major role in the Earth's carbon cycle," Giovannoni said. "Quite simply, this is s...

Virginia Tech, Nanjing Institute researchers discover half-billion year-old fossils

...illion years ago, much like some fungi, lichen, or algae do today." The resemblance to modern fungi, lichen, or algae may stop at the seemingly similar life position on ocean floor. "In fact, the morphology of the new ...

Carnegie Mellon cyLab researchers work to develop new red tide monitoring

...elop new software for detecting and tracking toxic algae plaguing North American waters. "We are developing software that will monitor dangerous algae and various biochemical anomalies for public health," said Cai, who noted other applications for thi...

Acid water in East Java threatens biodiversity and local welfare

... acidic water. The diversity of microorganisms and algae was also very low. The inhibited breakdown of organic material was another ecological effect measured. Lohr established this using packs containing jati and bamboo leaves, which she suspended in the river at various locations. She determined the loss...

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