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Tag: "indigenous" at biology news

Researchers find 24 species believed new to science in Suriname rainforest

...s (twice the size of Ethiopia) that is home to 100 indigenous groups. In Suriname, the only former Dutch colony in South America, the forests are at risk from foreign logging and other resource extraction. Cutting and burning tropical forests worldwide contributes 20 percent of the total carbon emissions in...

Alien plants attack using 'resource conservation' as weapon, researchers say

...onments because they are less able to compete with indigenous plants, which have adapted to their habitats over ... They compared 19 invaders with 19 closely related indigenous plants-for example, an invasive raspberry versus a native raspberry. Using an electronic device that...

8 plants from South Africa may hold potential for treating high blood pressure

... with type 1 diabetes. In an effort to identify indigenous plants consumed by the local population in Kwa-Zulu Natal that hold potential antihypertensive properties, the researchers examined 16 plants to identify ACE inhibitor activity. The plants were: Amaranthus dubius, a flowering plant also known as...

Whiteflies and plant viruses can help each other to speed up biological invasion

...nfected plants than on healthy plants, whereas its indigenous counterpart is unable to do so, according to the n...ulation increase of the invasive B whitefly and an indigenous whitefly (called ZHJ1) on both virus-infected and healthy tobacco plants. Compared to its performanc...

The desert is dying

...his indicates that the traditional and sustainable indigenous resource management, which desert people have developed through millennia, is changing. Desertification has been recurrently discussed and questioned since the 1970s. The focus has been on desert borderlands, while changes in sparse but important v...

Mummy's amazing American maize

...olonisation it also had a ritual significance ?the indigenous people were amazed by maize and even worshipped it. "Given the immense changes that took place in South America following the arrival of the Europeans it is surprising that this crop has remained unaltered for hundreds of years." Using the new ...

Flavanols in cocoa may offer benefits to the brain

... of Panama, who are heavy consumers of cocoa. The indigenous population still living on the Islands near Panama consume a type of cocoa rich in flavanols on a daily basis and experience unusually low rates of hypertension and cardiovascular disease. Hollenberg’s latest findings, which are published this month ...

Mother knows best: Plant knowledge key to childhood health in remote Amazon

... University of Barcelona, studied the Tsimane', an indigenous horticulturalist and foraging society in the lowlands of Bolivia who use local plants daily for medicine, firewood, construction and food. The Tsimane' rely on wild and domesticated plants for more than half of their household consumption, while purc...

Edible coatings will be the packaging of the future

... but it could also become an economic resource for indigenous peoples, currently marginalized, as well as having the effect of reducing the desertisation of the soil. The edible coating of fruit is currently the best-known example of the application. However, it is a packaging system particularly efficacious ...

New bird discovered on unexplored Columbian mountain

... 2006). The new bird is named for the Yariguies indigenous people who formerly inhabited the mountain range where the bird was found. A large and colorful finch with black, yellow and red plumage, the new species differs from its closest relatives in having a black back and no white markings on its wings. It...

Most widely used organic pesticide requires help to kill

...pests by enhancing the killing effects of BT using indigenous insect gut microbes or other bacteria known to promote blood poisoning. "The work also raises the possibility that the genes encoding the (Bt) toxins could be deployed more effectively in transgenic crops by exploiting the role of insect-borne bact...

The brain, traffic and nano-circuits -- e-Science takes on major challenges

...vercome the disadvantages caused by the lack of an indigenous UK semiconductor industry. ...

Butterfly farming to help save rain forest

...Development Reserve. The survey will work with the indigenous Amerindian communities within the reserve and the surrounding North Rupununi District with the ultimate aim of enhancing the livelihoods of the 5000 individuals in the 16 rainforest communities in the Iwokrama forest through the sustainable developme...

Scientists discover dozens of new species in 'Lost World' of western New Guinea

...e late 19th century through specimens collected by indigenous hunters from an unknown location on New Guinea, the species had been the focus of several subsequent expeditions that failed to find it. On the second day of the recent month-long expedition, amazed scientists watched as a male Berlepsch's bird of p...

Report finds cruise industry is protecting the precious places it visits

...ions; form partnerships with local communities and indigenous people in order to include cultural elements in their shore excursions; implement standard operating procedures to ensure minimal negative impact on the local environment and cultures; and educate tourists about specific local regulations, laws, cust...

World first research to speed up cure for ear infections

... throughout the world and particularly affects the indigenous Australian population. These studies have the potential to help greatly", Professor Atlas said. ...

GPSDB, the free Gene and Protein Synonyms DataBase

...ertile soil was produced thousands of years ago by indigenous populations using slash-and-char methods instead of slash-and-burn. Terra preta was studied for the first time in 1874 by Cornell Professor Charles Hartt. Whereas slash-and-burn methods use open fires to reduce biomass to ash, slash-and-char uses lo...

Amazonian terra preta can transform poor soil into fertile

...ertile soil was produced thousands of years ago by indigenous populations using slash-and-char methods instead of slash-and-burn. Terra preta was studied for the first time in 1874 by Cornell Professor Charles Hartt. Whereas slash-and-burn methods use open fires to reduce biomass to ash, slash-and-char uses lo...

Satellites show Amazon parks, indigenous reserves stop forest clearing

...ate, for the first time, that rainforest parks and indigenous territories halt deforestation and forest fires. According to Nepstad, "Protecting indigenous and traditional peoples' lands and natural areas in the Amazon works to stop deforestation. The i...

Primates harvest bee nests in Ugandan reserve

... twigs to make honey dipsticks. Roubik notes that indigenous groups in the Americas use similar honey brushes to harvest honey in areas where Africanized bees are relative newcomers [see photo]. "Most studies of stingless bees have been undertaken in South America and south-east Asia and have ignored the ecol...

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