Tag: "dominate" at biology news

Lake research offers clues to managing crayfish invasions

...exist among lakes. In other words, they can either dominate or be a minor influence. This can happen, he adds, because of the interaction among fish, their habitat and rusty crayfish. When the crayfish population is small, Roth explains, there tend to be more fish, which feed heavily on the baby crustaceans a...

Save the rainforest - eat a tree

...dings mean red clay tree species would grow on and dominate both habitats red clay soils and white sand soils were it not for the presence of insects that normally prevent the red clay tree species from living on white sand soil. "My results suggest that if bugs weren't around, the faster-growing clay...

Researchers review evolutionary history of modern algae

...he ancestors of the majority of phytoplankton that dominate the modern seas did not appear until 250 million y...sformed it into the phytoplankton that would later dominate the sea. The researchers found that changes in sea level, water chemistry and the amount of carbo...

Digital evolution reveals the many ways to get to diversity

.... Once they run low on resources, their ability to dominate loses steam and other hard-working organisms have a chance to get a foothold in the habitat. Ofria, an MSU assistant professor of computer science and engineering and one of the paper's authors, gives the example of an ambitious organism that eats gl...

Microbes found in Mayan ruins may deteriorate stone from inside out

...opulate the surface whereas Actinobacteria was the dominate population on the interior where no photosynthetic organisms were detected. Additional tests on the interior bacterial communities suggest that they break down limestone as they grow. "Surface analysis of microbial growth and disinfection of stone o...

2004 AAAS annual meeting spotlights world health, oceans and family science

...single language by 2050? If so, what language will dominate once a universal tongue emerges? "Language death" ishappening at a rapidly accelerating pace, and some researchers predict that up to half the world's more than 6,000 languages may vanish during the 21st century. How does language death occur, and wh...

New study finds evolutionary diversification in Hawaiian spiders

...ities on a continent and evolutionary process that dominate community formation in the Hawaiian Islands. "This study suggests that the process of community assembly - the way niches are filled by a set of co-adapted species - is governed by universal principles," she said. In the process of studying these ...

Araucariaceae of New-Caledonia: endemic species in danger

...ions. In the forest, the Araucaria and the Agathis dominate the high ground and regrowth only develops with the help of gaps caused by clearances, which indicates heliophilous affinities (3) of the two genera. This state-of-the-art review of knowledge on the Araucariaceae could provide keys to a better unde...

Scripps team part of collaboration that reveals first ecological genomic 'blueprints'

... 1/100th the diameter of a human hair, numerically dominate the phytoplankton of the oceans. With the genomes in hand, researchers will have a better idea of how to solve mysteries surrounding these organisms, such as how they thrive in the nutrient-poor open ocean. For the Palenik-led paper, contributors in...

Genomes of tiny microbes yield clues to global climate change

...e esoteric little creatures," she continued. "They dominate the oceans. There are some 100 million Prochlorococcus cells per liter of seawater, for example." Chisholm, a coauthor of one of the Nature papers, was part of the team that first described Prochlorococcus in 1988. In one of the Nature papers, a team...

Microbes' 'blueprints' promise insights into oceans, more

...elated forms of these organisms, which numerically dominate the phytoplankton of the oceans. The work will be ...t some esoteric little creatures," she said. "They dominate the oceans. There are some 100 million Prochlorococcus cells per liter of seawater, for example." Ch...

Cooperation between unrelated male lizards adds a new wrinkle to evolutionary theory

...table situation in which no single color morph can dominate the population. In the new study, Sinervo and Clobert found that blue males tend to establish territories in close proximity to other blue males. Furthermore, DNA analysis showed that neighboring blue males are more similar genetically than would be...

Difficulties with primate cloning: A religious comment

...ovide the clearest reason yet why cloning must not dominate the public debate over medical research. Reproductive cloning just isnt very likely, and anyone who exploits public fears of cloning to stop medical research is not treating the public with honesty and respect. In my view, this work provides the s...

Succulent Karoo to benefit from $8 million in grants

...ning. Goat, sheep, ostrich and small game ranching dominate about 90 percent of the land. Although stock limits and grazing plans exist for much of the region, signs of overgrazing are evident across much of the landscape. The negative environmental impacts of mining for diamonds along the coast and river flo...

Fire frequency determines forest carbon storage

...region of Manitoba. Aspen and Jack Pine tend to dominate in young stands where light is not limited. Black Spruce grow the slowest, but eventually out-compete the Aspen and Jack Pine by blocking the sunlight available to these species. By 70 years following a burn, these forests are dominated by Black Spru...

Researchers working to devise plan for Palo Alto Battlefield Restoration

...dle-point leaves and would poke their legs. It can dominate when in a healthy stage." However, the grass can't be re-established by seed. "The saline soils crust over. It's a tough environment for seed," Whisenant said. But it can be done by transplanting stems. Margo said current experiments involving both...

Predicting the movement of genes

...than the hybrids, suggesting the wild plants would dominate by shear number when competing with the gene-altered hybrid plants. The hybrid seeds were also preferred by birds and other organisms that fed on the seeds, making the chances for these plants to reproduce successfully even lower. The amount of the ...

Cat parasite killing otters; Michigan's perch pressured; HACCP for medicine

...riad" can affect yellow perch. "Exotic species now dominate the food webs of the Great Lakes, including Lake Michigan," says Lamberti. The researchers found that although the relationship between these invaders is complex, one fact is simple. The successful species is often the one that gets there first, noti...

New theory explains economic growth in terms of evolutionary biology

...n capital took off. This leap in evolution came to dominate the population as a whole, and centuries of economic stagnation ended." The authors attribute acceleration in this evolutionary process to the emergence of the nuclear family that fostered intergenerational links. Prior to the agricultural revolution...

Photosynthesis analysis shows work of ancient genetic engineering

...rtually all the living things and allowing them to dominate the earth. The evolution of aerobic photosynthesis in bacteria is also the most likely reason for the development of an oxygen-rich atmosphere that transformed the chemistry of the Earth billions of years ago, further triggering the evolution of comp...

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(Date:7/29/2014)... (PRWEB) July 29, 2014 Outsourced ... of tripling in the number of hospitals contracting ... 1, 2015 deadline, according to the recently published ... physician leaders, found in the reports “Top Ranked ... hospitals now outsource Clinical documentation audit, review and ...
(Date:7/29/2014)... million this year to support innovative research on ... that affect more than 233,000 Canadians. , ... across Canada. This diverse research will explore genetic ... understanding (and potential treatment) of symptoms and consider ... life. , Crohn,s and Colitis Canada funds ...
(Date:7/29/2014)... 29, 2014 CHI-California Healthcare Institute today ... the hepatitis C (hep C) epidemic in the U.S., ... treatments to reduce human suffering. The report examines key ... of hep C, while highlighting the significance of breakthroughs ... treatment. CHI is a nonprofit, public policy research organization, ...
(Date:7/29/2014)... Dennis Thompson HealthDay Reporter ... deadly Ebola virus that continues to rage throughout West Africa ... Ebola only spreads through physical touch, and it can,t ... Stephan Monroe, deputy director of the National Center for Emerging ... Control and Prevention, explained in a Monday afternoon news conference. ...
(Date:7/29/2014)... and aptitudes of Vietnam War veterans who suffered penetrating ... and beginning to answer -- longstanding questions about how ... regions that contribute to optimal social functioning also are ... finding bolsters the view that general intelligence emerges from ... , The findings are reported in the ...
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