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Tundra in Medical News

Climate Change Could Sting Allergy, Asthma Sufferers

...nger pollen seasons, the plant and tree life is changing along with the warmer temperatures. Demain said it's estimated that 90 percent of the Alaskan tundra will be forested by 2100, and that the types of trees that are most common are changing, too. The warmer temperatures are also attracting insects. ...

Global Warming Disaster Closer Than Thought, Says NASA

... Hansen also points out that dark and therefore heat-absorbing forests are now expanding toward the Arctic, replacing lighter-colored areas such as tundra and snow cover. The NASA research also reasserts the importance of the disappearing Arctic sea ice and snow, whose reflectivity has helped coo...
Tundra in Medical Dictionary

Swan

...r. ... of swans , depending on whether or not the tundra swan (Cygnus columbianus) ... Swans are th...uatic birds, closely related to the Goose. ... The tundra swan builds its nest in the tundra wetlands, where they maintain a ... Book a hot...
Tundra in Biological News

Rare Antarctic fossils reveal extinction of tundra before full polar climate arrived

(Boston) An international research team in Antarctica led by David Marchant, an associate professor of earth sciences at Boston University, has reported the discovery of exceptionally well-preserved freshwater fossils including mosses, microscopic one-celled algae, known as diatoms, small fresh wa...

$2.8 million for research into the impact of climate change on tundra wildlife

Quebec City, October 24, 2007Professor Gilles Gauthier of Universit Lavals Centre dtudes nordiques has been awarded close to $2.8 million to set up the ArticWOLVES project as part of International Polar Year. Bringing together some forty researchers from nine countries, the research project aims t...

Lands surface change on Alaska tundra creating longer, warmer summers in Arctic

A gradual lengthening of the snow-free season in Alaska's tundra, and a corresponding northward progression of the growth of shrubs and trees, may be creating a cycle of warmer and longer summers in the Alaskan Arctic according to a new study to be published in the Sept. 22, 2005, issue of Science ...

Wiping out the world's mass migrations

...n all 24 species of large (over 20 kilograms) ungulates known for their mass migrations. Animals included in the study, for example, range over Arctic tundra (Caribou), Eurasian steppes and plateaus (Chiru and Saiga), North American plains (bison and elk), and African savannahs (zebra and wildebeests). The ...

Decisive action needed as warming predictions worsen, says expert

...l on Climate Change. Studies indicate that greenhouse warming could trigger a vicious cycle of feedback, in which carbon dioxide released from thawing tundra and increasingly fire-prone forests drives global temperatures even higher. Chris Field, director of the Carnegie Institution's Department of Globa...

Mountain caribou's ancient ancestry revealed

...go. "These are special animals because they are not woodland caribou or tundra caribou, but a very interesting combination of the two," Weckworth said. "M...berta and eastern BC, showed that mountain caribou are hybrids of migratory tundra caribou and sedentary woodland caribou. The researchers believe the blendin...

Rudolf's kin more than just Santa's ride

...as the Narrow Lake population of British Columbia's boreal forest remains in the same habitat year-round. Caribou also serve as nutrient dispersers in tundra ecosystems and form an important nutritional source for numerous carnivorous and omnivorous species, such as bears, wolves, wolverines, foxes, ravens,...

UAF researchers to present at AGU press briefing

... Arctic Biology at the University of Alaska Fairbanks has strongly linked sea ice changes to changes in Arctic land-surface temperatures and increased tundra greenness. Walker will present results of his Greening of the Arctic study at the American Geophysical Union fall meeting in San Francisco on Dec. ...

Goose eggs may help polar bears weather climate change

..., it is subadult males that are pushed to these less ideal conditions, where they live, in part, off stored fat reserves. When bears switch to the tundra in some areas, they may enter the nesting grounds of snow geese. Goose eggs and developing embryos are a highly nutritious source of food to opportuni...

Foretelling a major meltdown

...expected events that could really change things, so all of a sudden we may get changes in ocean circulation that we never would have predicted, or the tundra may melt. Some unexpected event is going to occur that's going to be more dramatic than the progressive changes that occurred over the last 100 years....
Tundra in Biological Technology

P2R Associates Presented with Eight MarCom Awards for Client Strategic Communication Programs

...r Sales, U.S.A. for Hybrid Synergy Drive -- T.V. News Segment -- Newspaper Placement Category Toyota Motor Sales, U.S.A. for Toyota tundra Donation Story Placement MarCom entries come from corporate marketing and communication departments, advertising agencies, PR firms, design ...

Canadian firm acquires Silicon Logic

... Eau Claire, Wis. - tundra Semiconductor Corp. , the Ottawa, Ontario-based de...ontinue to be based in Eau Claire as a division of tundra Semiconductor Corp. The company develops high-perf...existing IP and customer relationships, he expects tundra to expand its product portfolio and broaden the ra...
Tundra in Biological Dictionary

Biome

...rest Biome . Mediterranean Forests, Woodlands and ... Many places on Earth share similar climatic conditions despite being found in ... Within the tundra biome , temperature, precipitation, and evaporation all tend to ... The importance of biomes cannot be overestimated. Biomes have changed and ...
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