Tag: "urban" at biology news

Araucariaceae of New-Caledonia: endemic species in danger

...brought on by human-induced bush fires, mining and urban expansion is putting their genetic integrity at risk. Yet little research has been devoted to New Caledonia Araucariaceae, in spite of their special features (richness, unusual character, economic and heritage significance). For this reason botanists...

First-ever UN University diploma offered to grads of online water-management course

...actices, monitoring and assessment approaches and; urban versus rural environments. Course 8: Governance and community based approaches The concepts and practices of community based water resources management; domestic and international governance, community involvement and gender issues Course 9: Organiza...

Urban black bears becoming couch potatoes, study says

...YORK (Nov. 24) -- Black bears living in and around urban areas are up to a third less active and weigh up t...ould take to forage or hunt prey. "Black bears in urban areas are putting on weight and doing less strenuous activities," said WCS biologist Dr. Jon Beckman...

Edible urban plants found to contain lead

...ersistent health problem that particularly plagues urban areas. Now a new study by Northwestern University researchers shows that edible plants grown in urban gardens could contain potentially hazardous amounts of lead. Kimberly A. Gray, associate professor ...

Congress allocates funding for horseshoe crab research center

...vironmental analysis, natural resource recreation, urban forestry, wood science and forest products, geography, and international development....

By the year 2050, human population could add 2.6 billion people, reports Rockefeller scientist

.... By 1950, one region did -- New York. In 2000, 19 urban regions had 10 million people or more. Of those 19, only four (Tokyo, Osaka, New York, and Los Angeles) were in industrialized countries. poor, underdeveloped regions: Despite higher death rates, the population of poor countries grows six times fas...

OHSU researchers reveal relationship between weight gain and female hormones

...y held belief, which may in fact be somewhat of an urban myth," explained Cameron. "In conducting this study, we noted the times that animals ate. Some of the monkeys ate most of their food during the evening and nighttime hours. However, weight gain and the time of day that the animals were feeding had no...

Scripps scientists link ozone to atherosclerosis

...also a familiar component of air in industrial and urban settings where the highly reactive gas is a hazardous component of smog in the summer months. A few years ago, Lerner and Wentworth made the completely unexpected discovery that ozone is involved in human biology. Lerner and Wentworth realized that ...

Team approach works better to reduce blood pressure in African-American men

...lage" to significantly lower the blood pressure of urban African-American men. "The traditional one-on-one ...ension is higher among African Americans. In poor, urban communities, social and economic burdens often contribute to lower rates of treatment and control. ...

LabNotes -- Research highlights from Pacific Northwest National Laboratory

...ing system that simulates the potential impacts of urban activities, including population growth, on the ar...e scenarios such as drinking water withdrawal from urban lakes, or the effects of changes in the urban growth boundary. The system will include models of wat...

Mussel researcher awarded Meritorious Service Award by the U.S. Department of the Interior

...vironmental analysis; natural resource recreation; urban forestry; wood science and forest products; geography; and international development....

MIT's plasmatron cuts diesel bus emissions, promises better gas engine efficiency

... at the low exhaust temperatures characteristic of urban use. These results indicate that the plasmatron reformer, in conjunction with an NOx absorber catalyst, could be one of the most promising ways to meet stricter emissions limits for all heavy trucks and buses. The Environmental Protection Agency plan...

NIEHS-funded researchers find low-level ozone increases respiratory risk of asthmatic children

...ive form of oxygen that is the prime ingredient of urban smog, and fine particulate matter, which includes dust, dirt, smoke and soot from a variety of natural and man-made sources, can significantly aggravate asthma symptoms. Repeated exposures to ozone and fine particles at or above the federal standa...

Scientists estimate risk of raven predation on desert tortoises

...an. The densest raven populations are in rural and urban areas. However, due to limited nest sites free from much human disturbance, more than half of nesting ravens seek places to nest in undeveloped desert areas more than a mile away from a ready source of food and water. Most favor Joshua trees for thei...

UGA scientist to study effect of air quality on unborn babies

...n exposure of 100 pregnant Trujillo women (50 from urban and 50 from rural areas) during their pregnancies.... inside the homes of the pregnant women and at one urban and one rural site. The team will collect blood and urine samples from the women during their pregna...

UGA researchers use transgenic trees to help clean up toxic waste site

..., are located on the site, which is in a mixed-use urban area and whose total area is less than an acre. (Some 15 plots have four merA trees, 15 are nonengineered or "wild-type" trees and 15 received no trees at all, so there are 120 trees in the field test.) The form of mercury at the Danbury site is ioni...

New pollutant cleanup technique puzzles, pleases chemists

... of the top 25 organic groundwater contaminants in urban areas are organohalides, according to a 1997 Environmental Protection Agency report. Organohalides are a class of organic compounds that include a halogen, a group of elements comprised of bromine, fluorine, iodine and chlorine. The compounds are ver...

African American teen mothers have greater risk for low birth weight and premature babies

... related to adverse birth outcomes in the group of urban black teens, including low pre-pregnancy body mass index, inadequate weight gain during pregnancy, inadequate utilization of prenatal care, the presence of sexually transmitted diseases and a history of cigarette smoking. Nutritional status and weigh...

Home visits from community health workers spur blood pressure reduction

...treatment recommendations, they do well. But most urban residents are not in that group, especially if they live in high-risk communities. Academic health centers can reach out to these communities, but it's best to do so in a partnership approach." In setting up the program, the Johns Hopkins team tra...

Search beneath lawns provides insight into backyard biodiversity

...soil and lawn. "Turfgrass lawns are everywhere in urban and suburban landscapes," Byrnes told attendees to..., he sampled arthropods form unmowed fields in the urban landscape that were not treated with chemicals. Byrnes identified four examples of each of the thre...

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