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Tag: "zones" at biology news

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

...nt and a massive algal bloom." Red tides and dead zones According to the researchers, artificially induced algal blooms could have major impacts on recreational and commercial fishing, major industries in the gulf. Red tides, for example, can cause outbreaks of life-threatening diseases, such as paralyti...

Man-made wetland's effectiveness similar to natural marsh

...idneys" of the environment, wetlands act as buffer zones between land and waterways. They also act as sinks ?wetlands filter out chemicals in water that runs off from farm fields, roads, parking lots and other surfaces, and hold on to them for years to come. But the jury is still out on how long a wetland...

Anthrax test, developed by army and CDC, receives FDA approval

...uspicious anthrax colony growth, you can see clear zones where the B. anthracis cells have been destroyed--whereas other bacterial cells grow unaffected." Well before the anthrax attacks of 2001, scientists at USAMRIID and the CDC recognized the need for an FDA accepted method for identifying B. anthracis...

'Mad cow' proteins successfully detected in blood

...uspicious anthrax colony growth, you can see clear zones where the B. anthracis cells have been destroyed--whereas other bacterial cells grow unaffected." Well before the anthrax attacks of 2001, scientists at USAMRIID and the CDC recognized the need for an FDA accepted method for identifying B. anthracis...

A protein in the eye may prevent immune response and protect eyes from disease

... brain and placenta, and its exclusion from T cell zones in the spleen suggests that F4/80 expression and immune activation may be mutually exclusive. According to Stein-Streilein, the next steps for the group will be to tease out exactly how the protein accomplishes its goal. Ultimately knowledge of the ...

Brain networks change according to cognitive task

...scientists to predict the existence of convergence zones within interconnected brain networks, said the stu...stern researchers found that different convergence zones in the network were involved in the task. "The existence and the identity of convergence zones --ar...

Picky female frogs drive evolution of new species in less than 8,000 years

...earchers could find no hybrid frogs in the contact zones that were the offspring of southern mothers, judgi... has split many species, and that reinforcement at zones of recontact may be generating other new species. "In this tropical system, we have had long period...

Travelers can avoid jet lag by resetting their body clocks

...he number of days equivalent to the number of time zones crossed, then they should be completely adjusted to the new time zone before they fly," she added. "However, even following the schedule for a few days before flying would reduce the jet lag experienced upon arrival at the destination. The more days...

Ocean 'dead zones' trigger sex changes in fish, posing extinction threat

...ea life. Fish and other creatures trapped in these zones often die. Those that escape may be more vulnerabl... stresses. This new study, Wu says, suggests these zones potentially pose a third threat to these species ?an inability of their offspring to find mates and ...

Pacific Islands paradise protected

...her sustainable economic development in designated zones of the protected area. In creating the protected area, the Republic of Kiribati took a significant step toward meeting protected area commitments for 2010/12 under the Convention on Biological Diversity and the Island Biodiversity Program of Work. ...

MIT: Oceans are a major gene swap-meet for plankton

...are concentrated in a few "genomic islands," small zones where different kinds of genes get swapped in and swapped out, known among molecular geneticists as "hot spots" for gene exchange. The distributors or carriers of new genes, they suspect, are the massive numbers of viruses also known to exist in sea...

Amazon rainforest greens up in the dry season

...ed, "We also want to look harder at the transition zones at the edge of the rainforest to see whether different kinds of disturbance cause different growth patterns." ...

Expedition discovers marine treasures

... will facilitate the creation of economic activity zones under PSSA designation. Paul Hoetjes, marine biologist with the Ministry of Nature Affairs for the Netherlands Antilles (MINA), called the expedition crucial to getting the area protected to benefit local populations. "The community of about 1,500 ...

Potential heart benefit found in stem cells

...s), and the same difference was seen in the border zones (11.2 vs. 8.6 mm). Capillary density in the border zones of the ADSC group was also significantly increased compared to the control group. The healthy myoca...

Paleontologists learn how not to become a fossil

...e everywhere from deep-sea trenches and intertidal zones to freshwater lakes and streams. But do they all have the same chance of becoming fossils? Jablonski, Kidwell and their colleagues based their study on an examination of museum specimens, combing the scientific literature and conducting statistical ...

'Dead zone' summer killed billions of ocean state mussels

...e may be losing the ability to prevent future dead zones from forming," Altieri said. "So these sorts of ex...ctions may trigger a downward spiral, with coastal zones less able to handle environmental degradation." According to a 2004 United Nations Environment Prog...

Brazil creates buffer zone around coral reefs off Atlantic coast

... the humpback whales. Under Brazilian law, buffer zones around protected areas offer strong protection, with special permits from environmental authorities required for any economic use. "The buffer zone will guarantee the biodiversity integrity in the Park and ensure that local communities can continue...

Ammonia-loving archaea win landslide majority

...stine and agricultural lands across three climatic zones to see if such ammonia-oxidizing microorganisms were present in terrestrial ecosystems as well. "We measured the abundance of the particular crenarchaeota gene alongside the same type of gene from bacteria," explains Schleper. The tally sugg...

A new look at the state of the oceans

...r will be on utilisation and monitoring of coastal zones and their potential benefits for industries and society. Friedhelm Schröder and Wilhelm Petersen of the GKSS Research Centre Geesthacht, together with Prof Dr Karen Wiltshire of the Alfred Wegener Institute for Polar and Marine Research, will be orga...

Pattern of human Ebola outbreaks linked to wildlife and climate

...n populations within and outside of known epidemic zones have been exposed to the virus. When they considered disease outbreaks in all mammals, not just humans, the spread of Ebola no longer seemed erratic and inexplicable. "Some researchers have hypothesized that outbreaks of Ebola are randomly-spaced...

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