12181 to 12192 of 14082 results
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Precise measurement of changes in ice-shelf thickness by phase-sensitive radar to determine basal melt rates
Read more of: Precise measurement of changes in ice-shelf thickness by phase-sensitive radar to determine basal melt rates[1] We describe a novel technique for measuring the basal melt rate at a point on an ice shelf. The method uses a phase-sensitive radar to observe the change in […]
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Response of Antarctic terrestrial microarthropods to long-term climate manipulations
Read more of: Response of Antarctic terrestrial microarthropods to long-term climate manipulationsThe terrestrial biota of the Antarctic Peninsula region are experiencing marked changes in climate, especially rising temperatures, precipitation, and UV-B radiation-a combination unique worldwide. These changes, combined with the inherent […]
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Debris accumulation on oceanic island shores of the Scotia Arc, Antarctica
Read more of: Debris accumulation on oceanic island shores of the Scotia Arc, AntarcticaThe oceanic islands in the Southern Ocean can be considered amongst the remotest shores as, not only are they uninhabited (except for small research stations) and geographically isolated, but they […]
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Antarctic soil nematode response to artificial climate amelioration
Read more of: Antarctic soil nematode response to artificial climate ameliorationThere is increasing evidence supporting rapid trajectories of environmental change in the Antarctic. This study describes preliminary data on soil faunal responses to artificial environmental amelioration obtained using a ‘greenhouse’ […]
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
Read more of: Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video camerasDuring January 2000 a baited video camera system was deployed fifteen times at depths of 719-1518 m around the Subantarctic island of South Georgia. Four species of lithodid (Anomura: Lithodidae) […]
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Distribution of cephalopods from plankton surveys around the British Isles
Read more of: Distribution of cephalopods from plankton surveys around the British IslesCephalopods (n = 515) were identified from a series of plankton and fine meshed mid-water trawls, taken between 1977 and 1999, around the British Isles. The collections were not directed […]
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Cirrate octopods from Greenland and Iceland waters
Read more of: Cirrate octopods from Greenland and Iceland watersThree species of cirrate octopod are reported from deep-sea collections around the coasts of Greenland and Iceland in the North Atlantic. Twenty-one specimens of Stauroteuthis syrtensis were caught from east […]
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Influence of ice and snow covers on the UV exposure of terrestrial microbial communities: dosimetric studies
Read more of: Influence of ice and snow covers on the UV exposure of terrestrial microbial communities: dosimetric studiesBacillus subtilis spore biological dosimeters and electronic dosimeters were used to investigate the exposure of terrestrial microbial communities in micro-habitats covered by snow and ice in Antarctica. The melting of […]
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Impact-induced microbial endolithic habitats
Read more of: Impact-induced microbial endolithic habitatsAsteroid and comet impacts on Earth are commonly viewed as agents of ecosystem destruction, be it on local or global scales. However, for some microbial communities, impacts may represent an […]
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The biology of impact craters – a review
Read more of: The biology of impact craters – a reviewImpact craters contain ecosystems that are often very different from the ecosystems that surround them. On Earth over 150 impact craters have been identified in a wide diversity of biomes. […]
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The Trans-Mars Expedition – a long-distance, long-duration, scientific EVA
Read more of: The Trans-Mars Expedition – a long-distance, long-duration, scientific EVAOf Martian expeditionary accomplishments, the Trans-Mars Expedition is the most audacious in terms of the logistical challenges imposed upon it and diversity of scientific foci it could encompass. The similar […]