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Tag: "forest" at biology news

Primates harvest bee nests in Ugandan reserve

... earth where gorillas, chimps and humans partition forest resources. Given the importance of honey as one o...rk management plan allows collection of non-timber forest products, there is an abysmal lack of ecological information about the role of honey-making bees and...

Engineers discover why toucan beaks are models of lightweight strength

... of toucan beaks that he occasionally found on the forest floor. Now a materials scientist and professor of mechanical and aerospace engineering at UCSD's Jacobs School of Engineering, Meyers said makers of airplanes and automobiles may benefit from the first ever detailed engineering analysis of toucan bea...

Why the Amazon rainforest is so rich in species

...ifferent rates, not at all the pattern expected if forest refuges during the ice ages were causing the origi...rest up: leading to separate evolution in separate forest 'refuges'. In each refuge, it was thought that the isolated populations eventually developed into ne...

New study of the world's smallest elephant

...ty areas for the species that should be kept under forest cover. "The project will also include training for Malaysian MSc student, Ms Nurzhafarina Othman in population biology and conservation genetics; and training for governmental and non-governmental organisations as well as representatives from the ...

Amazon trees much older than assumed, raising questions on global climate impact of region

... Central Amazon trees are among the slowest in any forest on Earth. These results, Trumbore points out, are contrary to the widely held view that tropical forests are highly dynamic. "In addition, the impact of logging activity in the Amazon region may be longer-lasting than we think," Trumbore added, "b...

Students discover 11,000 year old remains of Irish Elk

...use of the possible slower rate of colonisation by forest after the Ice Age, before the elk finally became extinct. The remains, which will now be scientifically dated, could add to growing evidence that giant deer were present on the island much later than palaeozoologists originally thought. The antler w...

WWF peeks into mysterious life of Borneo's pygmy elephants

...lements the satellite tracking. It was proved that forest quality influences the diversity and distribution ...ies' and habitat engineers whose impact shapes the forest in important ways for the many other species with whom they share their habitat." ...

Wild Gorillas Handy with a Stick

...rom an observation platform at Mbeli Bai, a swampy forest clearing that gorillas frequently visit to forage,...ho belonged to a different group) emerged from the forest and broke off the thin, long trunk from a dead shrub with both hands. She then jammed the trunk into...

Breaking the mold: Research teams sequence three fungus genomes

From garden compost to forest greenery, the mold Aspergillus fumigatus lurks across much of the world. And so does its impact. The most common mold causing infection, A. fumigatus triggers allergic reactions, asthma attacks--and even deadly infections among people with weaken...

Underlying cause of massive pinyon pine die-off revealed

...m global climate change. "We documented a massive forest die-off - and it's a concern because it's the type... sale. Rich said, "The fate of the pinyon-juniper forest depends on what happens next, especially in terms of weather. If it's wetter, the trees may come bac...

Storing carbon to combat global warming may cause other environmental problems, study suggests

...e models of their own design to simulate how added forest moisture might affect climates in those regions. ...re Conservancy, also investigated another way that forest growing might increase soil salinity in Argentina's normally treeless pampas. There fresh water po...

'Acid rain' and forest mass: Another perspective

... study of the effects of atmospheric deposition on forest ecosystems reached beyond the scientific sphere an...s that are deposited, amongst other places, on the forest biomass. Also, intensification in the cattle sector, together with stabling and grouping together of...

Wright bros. upstaged! Dinos invented biplanes

...ather like those seen today among some "monoplane" forest birds -- something called undulating phugoid gliding, Chatterjee said. In other words, Microraptor launched from a high branch and dove off, falling head-first until it reached a speed that created lift on its wings. With that lift the feathered dino...

Scientists must offer solutions for conserving tropical forests in a rapidly changing world

...ists must explain the dimensions and mechanisms of forest responses to rapid human-population increase and e...ue to coexist," concludes the scientist. Tropical forest landscapes are changing rapidly in the eyes of scientists working on tropical monitoring plots aroun...

Logging doubles threat to the Amazon, rivaling clear-cutting, study suggests

Human activities are degrading the Amazonian forest at twice the rate previously estimated, suggests a...ctive logging added 60 to 128 percent more damaged forest area than was reported for deforestation alone in the same study period. The total volume of harves...

Seeing the forest and the trees

... Columbia University. They simulated variations in forest diversity that resulted from a range of different ...nd widely varying effect on the amount of carbon a forest would be able to store. "Carbon sequestration is just one of the many services that tropical forest...

Chernobyl: The true scale of the accident

...ns fall within safe levels. What is the extent of forest contamination? Following the accident, animals and vegetation in forest and mountain areas had high absorption of radiocaesium, with persistent high levels in mushrooms, be...

Protein behind autumn color splendor identified

...ite images of the earth the tropical and temperate forest areas are green. In the tropics there is no autumn, but in our climate deciduous trees and other perennials lose their chlorophyll in the fall. The reason for this is that the proteins in the leaves contain amino acids that the plant needs to recyc...

Tropical dry forests receive international recognition

...e not the only kind under threat--the tropical dry forest is in as much danger as its popular cousin yet its...nticized view of rainforests, yet the tropical dry forest is being forgotten even though the most fertile soils are there," said Sanchez-Azofeifa, who hails f...

Emerald Spectre haunts Ontario's ash forests

... and ornamental trees, and dramatically change the forest and neighbourhood landscape in eastern North Ameri...ch is earmarked for battling the borer and another forest pest, the Asian longhorn beetle, which has infected hardwood trees in areas around Toronto, New York...

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