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Tag: "forest" at biology news

Birds and bats sow tropical seeds

...ees into this tropical landscape, the remnants and forest fragments that still exist in it is dispersal-limi...nd parcels in Veracruz located near or adjacent to forest remnants or UNAM's protected rainforest to observe what trees grow, and why. Some tracts will be pla...

NASA satellite data provides rapid analysis of Amazon deforestation

...n the NASA website The Amazon, a vast tropical forest stretching across South America, is so large that ...rage and processing requirements. And, in tropical forest regions, image quality is often reduced by cloud cover and infrequent coverage of high-resolution im...

High carbon dioxide levels spur Southern pines to grow more needles

...e obtained from a futuristic open-air experimental forest site at 8 a.m. Eastern Time on Thursday, Aug. 11, ...gs of towers in the open air setting of a Southern forest ecosystem. McCarthy found that, over the most recent six years of the FACE experiment, the pines re...

“Hitchhiking?Viruses as Cancer Drug Delivery System

...ust have sustained our ancestors who left the rain forest to colonize the savannah. They have published thei...ively treeless savannah, they left behind the rain forest and its abundance of fruit and leaves, the mainstays of modern chimpanzee diets. Laden and Wrangham ...

The roots of civilization trace back to ... roots

...ust have sustained our ancestors who left the rain forest to colonize the savannah. They have published thei...ively treeless savannah, they left behind the rain forest and its abundance of fruit and leaves, the mainstays of modern chimpanzee diets. Laden and Wrangham ...

Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds

...cording to local legend, are cultivated by an evil forest spirit," write Frederickson and her colleagues in Nature. "Here we show that the ant, Myrmelachista schumanni, which nests in D. hirsuta stems, creates devil's gardens by poisoning all plants except its hosts with formic acid. By killing other plants...

York scientists warn of dramatic impact of climate change on Africa

...tic disruption in the last Ice Age and the African forest decline 2,500 years ago. Scientists in the Univer...with events in the last Ice Age and in the African forest decline about 2500 years ago." He suggested that climate change would also have large-scale social ...

Mayan stingless bee keeping: Going, going, gone?

...oners of bee husbandry, and honey was an essential forest resource…as a sweetener, as an antibiotic and as...n version of mead. The Mayans, like other tropical forest cultures, worked with large-bodied meliponine bees that produce a variety of honeys. Their favorite,...

President Bush's cut to AIDS prevention in Africa would be devastating

...eavily logged area and from an undisturbed, nearby forest from August 1997 to August 2002 as part of a longi...ith seven gastrointestinal parasites in the logged forest than in the undisturbed one. The parasites found in the guenons were Trichuris sp. (whipworms), Oes...

Affymetrix and ParAllele Launch Industry's Most Comprehensive Product Line for Targeted Genotyping

...eavily logged area and from an undisturbed, nearby forest from August 1997 to August 2002 as part of a longi...ith seven gastrointestinal parasites in the logged forest than in the undisturbed one. The parasites found in the guenons were Trichuris sp. (whipworms), Oes...

Logging changed ecological balance for monkeys, damaged health

...eavily logged area and from an undisturbed, nearby forest from August 1997 to August 2002 as part of a longi...ith seven gastrointestinal parasites in the logged forest than in the undisturbed one. The parasites found in the guenons were Trichuris sp. (whipworms), Oes...

Expanding forests darken the outlook for butterflies, study shows

...to global warming--and, outside of national parks, forest fires are usually suppressed. These factors are combining to create larger forests and smaller alpine meadows. This is bad news for butterflies in the Rockies, such as the Parnasissus, which Roland studies, because they require two things that they c...

Scientists show that tick-borne flaviviruses use a novel mechanism to evade host defenses

... western Siberia) and the closely related Kyasanur forest disease (found in western India). "These diseases are spread by the same tick that carries Lyme disease in the U.S.," says Dr. Bloom. "So, the fact that West Nile virus first appeared or emerged in the U.S. in 1999 should warn us about the potential...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...ists will burn two and a half square kilometers of forest in the transition forest of northern Mato Grosso state, at Fazenda Tanguro in Querencia, from late August into early Septembe...

Stem Cells to Solve the Blood Shortage Problem?

...e destruction of thousands of hectares of mangrove forest (e.g., in East Africa, on the Indian subcontinent, and in Banda Aceh, Indonesia), resulting in the loss of the natural, protective "dyke" function of mangroves in addition to the loss of other services that mangroves provide to local economies and ec...

Could better mangrove habitats have spared lives in the 2004 tsunami?

...e destruction of thousands of hectares of mangrove forest (e.g., in East Africa, on the Indian subcontinent, and in Banda Aceh, Indonesia), resulting in the loss of the natural, protective "dyke" function of mangroves in addition to the loss of other services that mangroves provide to local economies and ec...

Can our genes tell the story of our divergence?

...kills to construct tree-bound nests high above the forest floor. We differ by just a tad over 1% at the DNA sequence level, yet scientists predict that both species should harbor genetic footprints of our divergence ?the subject of a recent study in the premier open-access journal PLoS Biology. One way to ...

Biologists determine genetic blueprint of social amoeba

...lly exists as a single cell organism that inhabits forest soil, consuming bacteria and yeast. When starved, however, the single cells come together, differentiate into tissues and become a true multicellular organism with a fruiting body composed of a stalk with spores poised on top. This increases its util...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

...gship species, important symbols for vast areas of forest that are among the richest on Earth. Protecting them protects many other species as well." The continuing spread of the Ebola virus through the region is a particular threat, with devastating effects on ape populations. Ebola spreads through cont...

Fungus-farming termites descend from an African rain forest Eve

...eir nests. Such termites can be found in both rain forest and savannah habitats in the Old World tropics, fr...econstructions of termite relationships. The rain forest origin of fungus-growing termites is remarkable, as extant species of fungus-growing termites are ec...

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