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Topic: Ecology of Antarctica


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In the News (Thu 23 May 19)

  
  NationMaster - Encyclopedia: Ecology of Antarctica
Antarctica's two flowering plant species, the Antarctic hair grass (Deschampsia antarctica) and Antarctic pearlwort (Colobanthus quitensis), are found on the northern and western parts of the Antarctic Peninsula.
Antarctica is considered to be part of the theoretical super-continent known as Gondwanaland, which separated near the end of the Paleozoic era and consisted of South America, Africa and Australia.
Antarctica is a land of extremes: it is the coldest and driest continent on Earth and has the highest average elevation of any continent.
www.nationmaster.com /encyclopedia/Ecology-of-Antarctica   (496 words)

  
  Antarctica: Fact Sheet
The successful establishment of SCAR and the IGY in Antarctica was due in large part to cooperation between the countries involved, and led directly to the signing of the Antarctic Treaty in 1959, which has administered Antarctic affairs since 1961 when it officially entered into force.
Antarctica is considered to be part of the theoretical super-continent known as Gondwanaland, which separated near the end of the Paleozoic era and consisted of South America, Africa and Australia.
The prospect that Antarctica's fragile wildnerness could be tainted as a result of oil exploration and drilling activities resulted in the mobilization of several conservation groups who were intent on preserving the continent's status as the most pristine in the world.
www.eia.doe.gov /emeu/cabs/antarctica.html   (1828 words)

  
 Virtual Antarctica: Ecology
Ecology has become a global concern, and the effects of humanity on the planet itself endanger the delicate balance of the earth's environments -- even in Antarctica.
Since Antarctica is a global repository of frozen water, we need to have a much greater understanding of Antarctic geography, glaciology and ecology in order to effectively monitor and predict such changes.
Though Antarctica seems at the end of the world, its frozen wastes a distant aside in the lives of most of us, it is not unlike the canary in the coal mine -- a gauge of warning, an alarm sounding to wake the world to the danger we are all in, together.
www.doc.ic.ac.uk /~kpt/terraquest/va/ecology/ecology.html   (1772 words)

  
 Antarctica Overview | Antarctica Tour Guide | iExplore.com
Antarctica is not easy to access but that is part of its appeal.
Antarctica is welcoming more tourist-orientated cruises and ferries to the region every year, and facilities are continually developing, with more accommodation, culinary and travel options available.
Even once known, Antarctica seemed inhospitable and incomprehensible and, in many ways, it still is. But it seems fitting that the continent should be the site for numerous global research stations, proving it remains testament to human endeavour.
www.iexplore.com /dmap/Antarctica/Overview   (984 words)

  
 Ecology.com - Over Antarctica, the Ozone Hole May Be Shrinking
Having reached nearly three times the size of the United States, the ozone hole over Antarctica appears to be slowing down, possibly reversing its growth rate, according to scientists at New Zealand's National Institute of Water and Atmospheric Research (NIWAR).
When the Antarctic summer arrives, the high-altitude winds forming the circular pattern around Antarctica begin to break up, and the ozone rich air from the north flows back across the Antarctic region to replenish the depleted ozone layer.
While the ozone hole over Antarctica was the first to be detected, very large ozone losses have been observed in the Arctic since 1997.
www.ecology.com /ecology-today/antartica-ozone-hole   (1460 words)

  
 Antarctica - Wikitravel
Antarctica is a land of extremes: it is the coldest and driest continent on Earth and has the highest average elevation of any continent.
Animal lovers, birdwatchers and photographers are also in for a treat in Antarctica with its various species of penguins, seals and birds that are native to the frozen continent.
Although several countries have laid claim to various portions of Antarctica, it is governed by the 1959 Antarctic Treaty, which establishes the continent as a peaceful and cooperative international research zone.
wikitravel.org /en/Antarctica   (1639 words)

  
 The Open Door Web Site : Facts and Figures : Antarctica
At that time Antarctica, while it was still joined to South America, Australia and South Africa, had a temperate climate.
Antarctica finally settled at the South Pole and became covered by a thick ice cap.
The continent of Antarctica was practically untouched by human activities until the end of the nineteenth century.
www.saburchill.com /facts/facts0001.html   (569 words)

  
 ipedia.com: Antarctica Article   (Site not responding. Last check: 2007-10-15)
Antarctica is a continent surrounding the Earth's South Pole.
Antarctica is the fifth largest continent in area, after Asia, Africa, North America, and South America.
Antarctica has no permanent residents, but a number of governments maintain permanent research stations on the continent.
www.ipedia.com /antarctica.html   (589 words)

  
 Antarctica ecozone -   (Site not responding. Last check: 2007-10-15)
Antarctica is also home to a diversity of animal life, including penguins, seals, and whales.
Antarctica was also part of the ancient supercontinent of Gondwanaland, which gradually broke up by continental drift starting 110 million years ago.
The Antarctic flora subsequently died out in Antarctica, but is still an important component of the flora of southern Neotropic (South America) and Australasia, which were also former parts of Gondwana.
www.australiagrid.com /mediawiki/index.php/Ecology_of_Antarctica   (309 words)

  
 Ecology of Antarctica Article, EcologyAntarctica Information   (Site not responding. Last check: 2007-10-15)
Antarctica's twoflowering plant species, the Antarctic hair grass (Deschampsia antarctica) and Antarctic pearlwort (Colobanthusquitensis), are found on the northern and western parts of the Antarctic Peninsula.
Several Antarctic island groups are considered part of the Antarctica ecozone, including South Georgia and theSouth Sandwich Islands, South Georgia and the South Sandwich Islands, South Orkney Islands, the South Shetland Islands, Bouvet Island,the Crozet Islands, Prince Edward Islands, Heard Island, the Kerguelen Islands, and the McDonald Islands.
The Antarctic flora has died out in Antarctica, and theAntarctic flora is an important component of the flora of southern Neotropic (South America) and Australasia.
www.anoca.org /islands/antarctic/ecology_of_antarctica.html   (308 words)

  
 Faculty of Science | Current students   (Site not responding. Last check: 2007-10-15)
The objectives of my current project are: (a) determine historic and current distribution patterns of blue, fin, and sei whales in Newfoundland and Labrador waters; (b) assess prey distribution for blue, fin, and sei whales in Newfoundland and Labrador; (c) map critical habitat for blue, fin, and sei whales in Newfoundland and Labrador.
Our research focuses on winter ecology of seabirds; the effect of colony and demographic variables on patterns and timing of winter movement, resource usage and geographical association.
Although much is known about breeding season ecology of seabirds, we know relatively little about interactions with their environment during winter.
www.mun.ca /science/graduate/CABE/Students.php   (1191 words)

  
 Nature in Antarctica
Antarctica is considered the largest desert in the world.
Other fauna members are the blue-eyed cormorant, the seagull, the skua or brown gull, the tern, which migrates from pole to pole, and the Antarctic pigeon.
All birds in Antarctica are web-footed, except the Antarctic pigeon, and migrate to the north in early autumn.
www.enjoy-argentina.org /nature-argentina-antarctica.php   (1035 words)

  
 "Antarctica" by Edward Willett
That's because Antarctica actually has a lot to recommend it: it's been described as the last great natural laboratory on the surface of the Earth and as a natural wilderness with unique characteristics.
To humans, Antarctica is a frightening, forbidding and sometimes lethal place--but it is also fascinating, to the extent that last year 8,000 tourists, at a cost of up to $8,000 apiece, made the often-uncomfortable trek down there--one more concern to those who want to see Antarctica remain untramelled.
The future of Antarctica, the animals that live there and the research carried on there, is in the hands of nations around the world.
www.edwardwillett.com /Columns/antarctica.htm   (1023 words)

  
 ePIC: Community structure and feeding ecology of mesopelagic fishes in the slope waters of King-George Island (South ...
The community structure was analysed and the feeding ecology was studied of the five most abundant species.
The assemblage was numerically dominated by four myctophids (Electrona antarctica, Gymnoscopelus braueri, Gymnoscopelus nicholsi,Protomyctophum bolini) and one gempilyd (Paradiplospinus gracilis).
Multivariate statistical analysis of the mesopelagic fish data reveals two major groups of stations according to the sampled depth: a shallow group of stations (295–450 m depth) and a deeper group of stations (440–825 m depth).
www.awi-bremerhaven.de /Publications/Pus2003e_abstract.html   (440 words)

  
 Cheesemans' Ecology Safaris: Antarctica - South Georgia 2008-9
TIM DAVIS (Professional Photographer, Lecturer and Zodiac Driver) Tim has lectured on all our previous Antarctica charters and spends much of his time onboard and ashore assisting his fellow shipmates with their photography.
Carter is one of Doug’s former students in biology, zoology and ecology.
Paradise Bay, one of the most beautiful areas in Antarctica, is one of our favorite places for Zodiac cruising in the inner part of the bay near the spectacular glaciers and ethereal mountains.
www.cheesemans.com /antarctica_sg_dec08.html   (7088 words)

  
 Environmental Issues in Antarctica - Antarctic Connection   (Site not responding. Last check: 2007-10-15)
Fur seals were slaughtered by the tens of thousands during the 1820's driving populations to the brink of extinction.
Most humans in Antarctica are involved in some type of scientific undertaking, either research or related to logistical operations.
Scientists recognize the value of a clean Antarctica and are taking steps to avoid contaminating it.
www.antarcticconnection.com /antarctic/science/environment.shtml   (564 words)

  
 Amazon.com: Antarctica: Books: Kim Stanley Robinson   (Site not responding. Last check: 2007-10-15)
Antarctica is undergoing major climactic change, too, perhaps the most dramatic example of the global warming that has turned much of the world's former temperate zone into a steam bath.
Moving back and forth between breathtaking descriptions of the alien, out-of-scale beauty of Antarctica, gripping tales of adventure on the ice and astute analyses of the ecopolitics of the southernmost continent, Robinson has created another superb addition to what is rapidly becoming one of the most impressive bodies of work in SF.
Antarctica is very good, but restates the same themes, plot, characters, and story structure as the Mars books.
www.amazon.com /Antarctica-Kim-Stanley-Robinson/dp/0553100637   (1795 words)

  
 ››› buch.de - bücher - versandkostenfrei - Seagrasses: Biology, Ecology and Conservation - R. J. ...
They occur on every continental margin, except Antarctica, and form ecosystems which have important roles in fisheries, fish nursery grounds, prawn fisheries, habitat diversity and sediment stabilisation.
His research addresses all aspects of seagrass biology and ecology, emphasising seagrass demography, colonisation and recovery processes and their role in the ecosystem.
He has authored more than 250 papers in international journals and an introductory book on Seagrass Ecology, is co-editor in chief of the journal "Estuaries and Coasts" and has received several international awards.
www.buch.de /buch/11405/314_seagrasses_biology_ecology_and_conservation.html   (506 words)

  
 Tags - Antarctica - Instablogs Community   (Site not responding. Last check: 2007-10-15)
Antarctica one of the coldest and windiest of the seven continents of the world and it comes in the fifth largest position among them.
And the reason -- Antarctica and the southern hemisphere are surrounded by large oceans that take a long time to heat and therefore act as a buffer to climate change....
Except Australia and Antarctica, cats are native to all continents.
www.instablogs.com /tags/antarctica   (1090 words)

  
 Cheesemans' Ecology Safaris: Welcome! Wildlife, birding, and photography nature tours and ecotours around the world
Cheesemans' Ecology Safaris is a small company that provides you with a personal attention to details.
Antarctica, South Georgia and the Falklands, Dec 2007-08
Antarctica, South Georgia and the Falklands, Dec 2008-09
www.cheesemans.com   (298 words)

  
 Antarctica
It is precisely for these reasons that Antarctica has come to be regarded as a laboratory for the inhospitable conditions that obtain extra-terrestrially in the solar system.
Parsons is a research associate with Dr. Diana H. Wall, director of the Natural Resource Ecology Laboratory at Colorado State University and one of the chief researchers working here.
The McMurdo Dry Valleys are located on the western coast of McMurdo Sound (77°00'S 162°52'E) and form the largest relatively ice-free area (approximately 4800 square kilometers) on the Antarctic continent.
www.resa.net /nasa/antarctica.htm   (3075 words)

  
 MBARI - Benthic Biology and Ecology
The Benthic Ecology and Biology group is primarily interested in factors that regulate the abundance and distribution of benthic communities.
We are currently involved in projects examining links between climate changes and the ecosystem in the Ross Sea of Antarctica, investigating biotic and abiotic factors that structure cold-seep communities, the ecology of non-seep communities in Monterey Canyon, and the biological effects of direct CO sequestration.
Under the direction of Jim Barry, the Benthic Ecology and Biology group continues to study all aspects of life on the deep sea floor.
www.mbari.org /benthic   (89 words)

  
 Lichens of Antarctica and South Georgia - Cambridge University Press
Antarctica’s severe climate and restricted area of ice-free habitats limit the biodiversity and biota of its terrestrial ecosystems.
The systematic accounts provide sufficient descriptive information to allow specialists to identify taxa to species level, and are structured so that even non-specialists can use them to identify specimens to at least the generic level.
Preface; Acknowledgements; Introduction; Environment and lichen ecology of Antarctica and South Georgia; Materials and methods; Artificial keys to the genera; Systematic and ecological accounts of the genera and species; References; Glossary; Index of taxa.
www.cambridge.org /uk/catalogue/catalogue.asp?isbn=0521662419   (278 words)

  
 Definition of Ecology of Antarctica
Antarctica's two flowering plant species, the Antarctic hair grass (Deschampsia antarctica) and Antarctic pearlwort (Colobanthus quitensis), are found on the northern and western parts of the Antarctic Peninsula.
Several Antarctic island groups are considered part of the Antarctica ecozone, including South Georgia and the South Sandwich Islands, South Orkney Islands, the South Shetland Islands, Bouvet Island, the Crozet Islands, Prince Edward Islands, Heard Island, the Kerguelen Islands, and the McDonald Islands.
Millions of years ago, Antarctica was warmer and wetter, and supported the Antarctic flora, including forests of podocarps and southern beech.
www.wordiq.com /definition/Ecology_of_Antarctica   (292 words)

  
 Cheesemans' Ecology Safaris: Antarctica
The Cheeseman Antarctica Expedition is a unique experience, the best and most in-depth wildlife tour to the Southern Oceans.
Our amazing Antarctica tour offers an unparalleled opportunity to become intimate with this most superlative land of icebergs, dramatic scenery and wildlife.
We publish and provide a trip log to each traveler after the end of a trip, a wonderful way to share your experience with friends and to remember this once-in-a-lifetime experience for many years to come.
www.cheesemans.com /antarctica.html   (940 words)

  
 Antarctica
"Antarctica" is a unique 40 minute motion picture that portrays the history, science, delicate ecology and awsome beauty of Antarctica - the world's southernmost continent.
For the first time in history the mysterious icy expanse of the highest, driest and coldest continent has been captured in the giant screen format.
The film takes viewers to the home of penguins, seals and the other exotic life forms and also focuses on the activities conducted at many scientific research stations established by countries from around the world.
www.helio.com.au /antarctica/index.html   (309 words)

  
 Antarctica   (Site not responding. Last check: 2007-10-15)
An active adventure that does not end after the penguins, whales and icebergs of Antarctica, as you continue on and explore the remote wilderness of Patagonia.Experience vast penguin rookeries and seal colonies on this grand voyage to Antarctica.
Experience a voyage of a lifetime to a land where penguins rub shoulders with seals and Orcas and whales are often seen plying the icy waters.
Antarctica is one of the most beautiful and unexplored places in our planet.
www.travelvantage.com /wordpress/?cat=152&paged=2   (709 words)

  
 Coral Microbial Ecology
Coral microbial ecology is the study of the relationship of coral-associated microorganisms to each other, the coral host, and to their environment.
Endolithic microorganisms (bacteria, fungi, or algae that bore into the coral's calcium carbonate skeleton) are a potential source of nutrients to the overlying tissues.
The field of coral microbial ecology is relatively new.
coastal.er.usgs.gov /coral-microbes   (569 words)

  
 ZNet | Ecology | Runaway Greenhouse?
The October 11 British Guardian reported that CO2 in the atmosphere is at record levels and increasing at an accelerating rate, while the September 23 edition of Science revealed that glaciers in western Antarctica flowing into sea are speeding up, indicating an increased level of melting.
The Ross and the Filchner-Ronne ice shelves prevent the gigantic land-based Western Antarctic Ice Sheet from rapidly entering the ocean and melting.
The Western Antarctic Ice Sheet, the smaller of Antarctica’s two vast ice sheets, contains a mind-boggling 3.2 million cubic kilometres of ice, about 10% of the world’s total ice -- enough to raise the sea level six metres.
www.zmag.org /content/print_article.cfm?itemID=6701§ionID=56   (1306 words)

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