Tag: "sprawl" at biology news

From orchards and fields to townhouses and offices

... learnings from California's experience with urban sprawl during the Challenges at the Urban/Ag Interface symposium at The American Phytopathological Society (APS) Annual Meeting in Anaheim, Calif., July 31- August 4, 2004. This symposium will look at problems associated with a large urban population encroa...

As humans alter land, infectious diseases follow

...s have documented that forest fragmentation, urban sprawl and the erosion of biodiversity have contributed significantly to the spread of Lyme disease. A more global example is the AIDS virus, which scientists think may have first infected "bush meat" hunters given access to Africa's tropical forests by th...

Modern global warming more damaging than in the past

...fopoulos said. "There might be buildings, suburban sprawl or miles of roads in the way now." Foufopoulos says that mobile species such as birds or butterflies, which can colonize new habitats with relative ease, stand the best chance of survival as temperatures increase. Sessile species, such as reptiles ...

Deer help disperse seeds--including noxious weeds

...bandoned agricultural fields to woodland, suburban sprawl and a shortage of predators, both human and wild) for the deer explosion. A typical cluster of deer pellets examined by Vellend and colleagues contained more than 30 germinable seeds. They found that seeds are dispersed by deer throughout the year. T...

Highway deaths highest for males Male urban squirrels, that is

...s in the United States, is important because urban sprawl is pressuring wildlife to adapt to lifestyles and surroundings just to survive. "In some cases, wildlife species have adapted within or adjacent to urban landscapes, resulting in new challenges for wildlife biologists faced with managing these popul...

Smaller households fuel global housing boom and threaten biodiversity, study finds

...''But instead, we've found that urban and suburban sprawl are accelerating faster than population growth is ...g because fewer people are living together. Urban sprawl The threat to global biodiversity is likely to escalate, the authors concluded, because current hou...

Wildlife corridors shown effective

... in habitats increasingly encroached upon by urban sprawl and other land-use changes. If animals are able to move more freely, the theory postulates, they're more likely to not only move to wider areas, but also increase their interactions with plants. Haddad and his colleagues set out to scientifically pro...

After massive experiment, results favor wildlife corridors

GAINESVILLE, Fla. --- To combat urban sprawl and protect wildlife, many communities have set aside land for wildlife corridors linking natural areas to one another. Public support for these greenways, however, has overshadowed a long-running debate among ecologists about whether they actually a...

Sprawl may threaten wildlife in reserves

Rural sprawl may be driving species toward local extinction. New research suggests that ranchettes in the Yellowstone area could degrade the best habitat for birds and so cut their population growth below sustainable levels. "Our findings suggest that alteration...

Extreme climate variance sped extinction of local butterfly populations, researchers say

...onization. Human population growth can bring urban sprawl and plant invasions that isolate one population "island" from another and create insurmountable barriers to migration and repopulation. The checkerspot species as a whole has a larger range - from Baja to Canada - than that of the Bay Area subspecies...

Pollution from urban sprawl threatens aquatic life in major U.S. cities

...ety. The study blames increased traffic from urban sprawl for high levels of polycyclic aromatic hydrocarbons, or PAHs, in lakes and reservoirs around six metropolitan areas, including Washington, D.C., New York, Newark, N.J., Minneapolis, Dallas and Seattle. Effects due to vehicle traffic included PAH conc...

Register now for the 2000 AAAS Annual Meeting

...al foods: research and marketing studies of urban sprawl from space the use of math in Hollywood and daily life HOTEL INFORMATION Please call the Washington DC Convention and Visitor Association (WCVA) toll free on weekdays, 9:00 am to 5:00 pm, Eastern time at 1-800-535-3336. Please see the hotel reserv...

Last unidentified sport fish in North America gets a scientific name

...face many threats including dams, human population sprawl and the introduction of non-native fish species, he said. "Largemouth bass are the primary species for sport fishing in freshwater here in Florida," he said. "There are numerous bass fishing tournaments that attract thousands of people to the state ...

USGS releases assessment of nation's biological resources

..."We continue toexperience population growth, urban sprawl and heavy use of natural resources --from lands to waters to air and living creatures. In fact, we will see more andmore pressure on all our biological systems. USGS will be in the forefront ofidentifying new threats and helping to find appropriate s...

Report: High Carbon Dioxide Boosts Duke Forest Growth By 25 Percent

...tohighlight the environmental downside of suburban sprawl that is invadingwoodlands in the South and elsewhere, Schlesinger said. "To the extent that we convert any of these fast growing forested landsto parking lots and shopping centers, that carbon sink is totally gone," headded. "Not only is the ...

Turtle Population Apparently Threatened By Urban Sprawl, Traffic

...ingled in the past, have been driven apart byurban sprawl and traffic on suburbanroadways that now separate them, says Cory S. Rubin, a doctoral student in theUniversity of Illinois department ofnatural resources and environmental sciences (NRES). Rubin has been searching the West Chicago Prairie and Pratt...

Drivers Should Pay More Of Environmental Costs, Report Says

... management of urban growth so there is less urban sprawl and a combination of the two -- on driving habits. It found the most significant shift in road behavior occurred by combining the two. "If we manage growth better so that we have more concentrated development and higher densities, then it will be ea...

Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool

...heextent and arrangement of these forests." Urban sprawl Atlanta has been one of the fastest growing cities in America for the last two decades, so much so that thecity is considered as having four central business districts rather than one. While the population of Atlanta proper droppedfrom 495,039 in 197...

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