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Tag: "southern" at biology news

Threats to wild tigers growing

... the Terai-Arc Landscape of northwestern India and southern Nepal as a notable victory. The scheme features wildlife corridors that connect 12 reserves. Tiger conservation efforts have also been successful in the Russian Far East. Many tiger reserves in the India, in contrast, have been mismanaged and have fa...

Salty oceans provide early warning for climate change

...rence, scientists predicted that the waters of the southern hemisphere oceans around South Africa and New Zeal...large-scale salt monitoring system in place in the southern hemisphere oceans. Zahn thinks that regular measurements taken in the waters around South Africa and...

Massive herds of animals found to still exist in Southern Sudan

...umanitarian and development NGOs are swarming into southern Sudan,” said Fay. “With all the relief being poured into the region for development and the resource industries moving in, we could actually see this precious wildlife resource, which has thrived under these difficult circumstances, disappear. Ironic...

Male circumcision overstated as prevention tool against AIDS

... North Africa do indeed suffer much less AIDS than southern and western Africa, but this lower prevalence is n...nd they are more than four times as infected. Some southern Africa countries have as many as 7% of their adult females infected and working as prostitutes while...

Madagascan tropical forests return thanks to better management and well-defined ownership

...at although loss of tropical dry forests occurs in southern Madagascar, there are also large areas of forests regenerating. The return of forest cover was found to be substantial in the study area, with an overall net increase of 4 % during the period 1993-2000. These dry forests have the highest level of pla...

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

...nnual plant Emex australis, commonly known as southern three corner jack Galinsoga parviflora, commonly referred to as gallant soldier Justicia flava, also known as yellow justicia and taken for coughs and treatment of fevers Momordica balsamina, an African herbal traditional medicine also...

An ancient bathtub ring of mammoth fossils

...e only outlet for this tremendous outpouring was a southern ridge-opening called Wallula Gap. But Wallula Gap was too narrow to handle all the massive flow; the water would back up, creating temporary Lake Lewis, then slowly drain through to the Columbia River Gorge—all in a matter of days. Preliminary res...

How trees manage water in arid environments

...y summer period without any rain is very common in southern Arizona, the mountain forest must have evolved the capability to survive it. The rapid recovery of this forest when heavy rains begin confirms the tight coupling between the trees and the available soil moisture." In short, winter has a significan...

Remote sheep population resists genetic drift

...te Island sits in the Kerguelen Archipelago in the southern Indian Ocean and is more than 3,000 kilometres from its nearest port. The French government has used the island as a military outpost since the early 1900s, with French settlers arriving in the 1950s. The Haute Island mouflon descended from two C...

New species of snapper discovered in Brazil

...es. It occurs from the state of Maranhão to the southern coast of the state of Bahia, and its habitats include coral reefs, rocky shores, coastal lagoons with brackish water, mangroves and other shallow habitats. Juveniles requiring more food and protection live in mangroves, then migrate to reef habitat a...

Out of Africa -- Bacteria, as well

...ri population spread through limited localities in southern Africa, West Africa, Northeast Africa, India and East Asia. The genes of bacteria isolated in Europe, for instance, reveal influences from Central Asia - an indication that human immigrants came to Europe from Asia. ...

Amur leopard still on the brink of extinction, scientists say

...he Far Eastern leopard was a common species in the southern parts of Sikhote-Alin and in some Khanka lake areas. Right now it roams only in south-west Primorye." About 5000 square kilometers of land in the south-west Primorye region, close to the border between Russia, China and North Korea, were transect...

Custom-made cancer cell attacks

... to subtropical and tropical regions of Africa and southern Asia, which is used as an ornamental plant in the United States. What makes Miscanthus so special? ''It uses less water per gram of biomass produced than other plants,'' he said. ''For example, to make a pound of alfalfa or spinach requires a...

Cellulosic ethanol: Fuel of the future?

... to subtropical and tropical regions of Africa and southern Asia, which is used as an ornamental plant in the United States. What makes Miscanthus so special? ''It uses less water per gram of biomass produced than other plants,'' he said. ''For example, to make a pound of alfalfa or spinach requires a...

DNA analysis reveals rapid population shift among Pleistocene cave bears

...he Ach Valley, near the Danube River in modern-day southern Germany. Twenty of the teeth ultimately provided useful mitochondrial DNA sequence (mitochondrial DNA is especially useful for tracking population changes). The findings indicated that while four sequence types (known as haplotypes) corresponded to b...

Mosquito genes explain response to climate change

...t, rapid climate change and now uses shorter, more southern day lengths to initiate dormancy in a landmark study that appeared in the Proceedings of the National Academy of Sciences (Dec. 4, 2001). The new study ?funded by the National Science Foundation and National Institutes of Health ?doesn’t tell exa...

How to manage forests in hurricane impact zones

...ason ends on November 30. "Coastal areas in the southern United States are adapted to disturbance from both fire and high wind," says Stanturf, project leader of the SRS disturbance ecology unit based in Athens, GA. "But those adaptations only go so far in the face of a major hurricane. Forest owners and n...

Recently discovered species gain protection

...ng the black tinamou (known from one other site in southern Colombia, and one in central Peru), sharpbill, Stiles' tapaculo, Parker's antbird, semi-collared hawk, red-bellied grackle, multicolored tanager, black-and-gold tanager, and a wintering population of the rapidly declining cerulean warbler ?a migrator...

Immunization rates hit record high in poor countries

...northward, it has moved through Massachusetts into southern Maine and New Hampshire. The only natural deter...ugh not officially recorded yet, "it's probably in southern Vermont now at population levels too low to easily detect," say Costa, who anticipates that the adel...

Fungal factories may save hemlock forests

...northward, it has moved through Massachusetts into southern Maine and New Hampshire. The only natural deter...ugh not officially recorded yet, "it's probably in southern Vermont now at population levels too low to easily detect," say Costa, who anticipates that the adel...

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