Tag: "vegetation" at biology news

Saline solution a serious threat to wetlands

...f," he said. "The real problem is not salinity but vegetation clearance," he said. "We should be challenging whether we should be continuing to clearing." "The solution is to use much more strategic revegetation to absorb the water before it gets into the ground water system," said Dr Paton, "To eliminate dryla...

Researchers prove past cooling trend caused by move from forests to agriculture

... data for the 1900 AD period uses standard current vegetation data, which is a mix of forest and croplands, taken from the Community Climate Model developed at the National Center for Atmospheric Research. The greenhouse gas levels in both simulations are in concentrations taken at pre-industrial levels. "The ...

New report finds half of world's protected nature reserves heavily farmed as hunger runs rampant in biodiversity "hotspots"

...generally done their best to clear land of natural vegetation and keep wildlife off their farms. This was the sign of a good farmer. Now were asking farmers to let some of the wild back in." According to Scherr, in the past it was not known which species of insects, plants, and animals would be harmful...

New satellite study shows vegetation increases in North America

An analysis of vegetation growth in North America between 1982 and 1998 usin...study, said it is still unclear why North American vegetation growth has been increasing in the last two decades. "But we definitely are seeing an increase in ca...

Food safety: French discovery explains how Listeria penetrates the body, and may suggest new drug delivery strategies

...strategies." A bacterium commonly present in soil, vegetation and sewage, Listeria can contaminate raw vegetables and "ready-to-eat" or processed foods requiring refrigeration, such as soft cheeses, pate and some processed meats. Listeriosis primarily threatens developing fetuses, newborns, older adults, and ...

Ancient reptile is efficient chewer

...rs or buds of plants. Minimal oral processing of vegetation is also associated with a slower digestion rate, s...imals that do not chew extensively, simply swallow vegetation and allow it to digest for a long period of time, she said. "So, Suminia is the best example we ...

Healing the waters: A holistic Native American Indian approach

...tablish changes in hydrology and quality. Wetland vegetation was mapped and impervious surface areas were determined with GIS and GPS to assist in the analysis of the changes in water quality and quantity in the wetland as a function of increased impervious surfaces from development in the watershed. The monit...

Healing the waters: a holistic native American Indian approach

...tablish changes in hydrology and quality. Wetland vegetation was mapped and impervious surface areas were determined with GIS and GPS to assist in the analysis of the changes in water quality and quantity in the wetland as a function of increased impervious surfaces from development in the watershed. The monit...

To suppress or not to suppress: Questioning the ponderosa pine model of forest fire management

... will be effectively used to control fires. Young vegetation has been found to burn easily and frequently and the absence of older vegetation does not seem to reduce the risk of large fires. By examining historical patterns, researchers have...

Botanists collect, study rare Hawaiian plants

... example, only has 2 percent of its pre-settlement vegetation but he argues that Hawaii appears to be particularly under siege. Also, there is more to lose here about 92 percent of the native land plants can't be found anywhere else in the world. Ballard, an international expert on violets whose work is fund...

The lands nobody wanted

... of which illustrated that as much as one third of vegetation types are not found within protected lands. The team examined the distribution of ecological zones in comparison to the location of national parks, national forests, national wildlife refuges, and designated wilderness areas, Indian reservations, c...

Climate plays bigger role than CO2 in make-up of plant communities

... are going to entail in terms of future changes in vegetation types, said Mark Brenner, a UF assistant professor... obtain a continuous record of changes in climate, vegetation and land use. The cores were retrieved as long ago as 1980 by UF researchers and currently are kept ...

New study shows that salmon 'feed' the very forests that nurture them

...in North America. Salmon benefit from the riparian vegetation (named after the plants proximity to the rivers na...ists to see that the relationship between riparian vegetation and salmon is a two-way street, Naiman said. As a main limiting factor for terrestrial plant growth...

NASA unveils spectacular suite of new global data products

...r data products, such as spectral albedo, enhanced vegetation indices, leaf area index and the fraction of photo...ements and appears to respond better to changes in vegetation as a function of changing climate, changing seasons, land use and differing plant structures. Accord...

Earliest evidence of lemurs discovered in Pakistan, far from their current home, Science reports

...scar, perhaps hitching a ride on rafts of floating vegetation to their current island home. But the appearance of a specialized, clearly recognizable lemur like Bugtilemur at such an early date raises the possibility of an Asian origin. Teeth from several other new primate species, including some anthropoids-...

Diversity of species triumphs

... that land planted with many species produced more vegetation than land with one or a few species. Greater vegetative production means higher returns from land and expands its ability to store carbon as biomass, rather than atmospheric carbon dioxide. Their early results were controversial, however. Some scient...

Ecosystems slowed 1990s greenhouse gas buildup

...s consistent with independent analysesof satellite vegetation data. The uptake patterns across thecontinents also make sense physically: they appear to be driven bybroad climate patterns interacting with historic human management ofecosystems. Carbon accumulates at higher rates in intensively managed ecosystems...

Lyme disease ticks follow rivers in midwest

...ragging, in which a piece of cloth is dragged over vegetation to collect ticks, and trapping mice. Cortinas' research, which he began in the late 1990s, is founded on the tick risk map developed for Wisconsin and northern Illinois by Dr. Marta Guerra, now a CDC EIS officer. The research focuses on the migr...

Antarctic plants repair themselves

... the effects of the hole in the ozone layer on the vegetation in Antarctica. The repair mechanisms of lichens an...violet radiation turned out to be only slight. The vegetation contained large quantities of protective pigments. DNA repair mechanisms also operated very effectiv...

Studying plant adaptation to arctic helps understand the 'steps of wisdom of life'

...Arctic expeditions. "Were trying to understand the vegetation diversity of ancient times," Scheckler said. The... the same time, many farms are being abandoned and vegetation and trees are re-growing, but they are deforesting faster than the land is replenishing. I predict ...

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(Date:4/17/2014)... It,s estimated that as many as 10 million older ... of loneliness and isolation. , However, new research ... retired older Americans for six years found that ... of depression by more than 30 percent. , "That,s ... State University professor of telecommunication, information studies and media ...
(Date:4/17/2014)... April 17, 2014 EcoHealth Alliance, a nonprofit ... issues, published a comprehensive review today examining the current ... virus. The review calls for improved global surveillance strategies ... the recent outbreak of Ebola in West Africa that ... countries of Guinea and Liberia. According to the ...
(Date:4/17/2014)... not uncommon these days to find a colored ribbon representing ... breast cancer. But what color ribbon does one think of ... designated color, for many suffering from the disease, black may ... University study consisting of lung cancer patients, primarily smokers between ... more light on the stigma often felt by these patients, ...
(Date:4/17/2014)... 2014While 94 per cent of Canadians surveyed said they ... for a specific number of genetic conditions, only 80 ... in screening that would sequence their newborns, genomes.,Most newborns ... their first day or two of life in which ... heels and tested for about five to 54 conditions, ...
(Date:4/16/2014)... Calif. Consider the marvel of the embryo. It begins ... function as they multiply to become the cells of our ... the body. , Now, in a feat of reverse tissue ... genetic coding that allows embryonic cells to proliferate and transform ...
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