A low temperature limit for life on Earth
There is no generally accepted value for the lower temperature limit for life on Earth. We present empirical evidence that free-living microbial cells cooling in the presence of external ice […]
9817 to 9828 of 13949 results
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Read more of: A low temperature limit for life on Earth
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Investigation of the stable atmospheric boundary layer at Halley Antarctica
Read more of: Investigation of the stable atmospheric boundary layer at Halley AntarcticaBoundary-layer measurements from the Brunt Ice Shelf, Antarctica are analyzed to determine flux–profile relationships. Dimensionless quantities are derived in the standard approach from estimates of wind shear, potential temperature gradient, […]
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Influence of subglacial conditions on ice stream dynamics: Seismic and potential field data from Pine Island Glacier, West Antarctica
Read more of: Influence of subglacial conditions on ice stream dynamics: Seismic and potential field data from Pine Island Glacier, West AntarcticaWe interpret seismic reflection and airborne potential field data acquired on Pine Island Glacier, West Antarctica and find variations in the subglacial geology which correlate with variations in ice dynamics. […]
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Increasing trend in the number of Southern Rockhopper Penguins (Eudyptes c. chrysocome) breeding at the Falkland Islands
Read more of: Increasing trend in the number of Southern Rockhopper Penguins (Eudyptes c. chrysocome) breeding at the Falkland IslandsThe Falkland Islands currently supports one of the largest Southern Rockhopper Penguin (Eudyptes c. chrysocome) populations. Archipelago-wide censuses conducted in 2000 and 2005 revealed that the number of breeding pairs […]
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The biogeography of the yeti crabs (Kiwaidae) with notes on the phylogeny of the Chirostyloidea (Decapoda: Anomura)
Read more of: The biogeography of the yeti crabs (Kiwaidae) with notes on the phylogeny of the Chirostyloidea (Decapoda: Anomura)The phylogeny of the superfamily Chirostyloidea (Decapoda: Anomura) has been poorly understood owing to limited taxon sampling and discordance between different genes. We present a nine-gene dataset across 15 chirostyloids, […]
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Acceleration of snow melt in an Antarctic Peninsula ice core during the twentieth century
Read more of: Acceleration of snow melt in an Antarctic Peninsula ice core during the twentieth centuryOver the past 50 years, warming of the Antarctic Peninsula has been accompanied by accelerating glacier mass loss and the retreat and collapse of ice shelves. A key driver of […]
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A new Late Middle Cambrian paleomagnetic pole for the Ellsworth Mountains, Antarctica
Read more of: A new Late Middle Cambrian paleomagnetic pole for the Ellsworth Mountains, AntarcticaA paleomagnetic study of the late Middle to possibly early Late Cambrian Liberty Hills Formation in the Ellsworth Mountains, Antarctica, reveals a stable magnetization with positive fold and reversal tests. […]
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Interferometric analysis of the deformation pattern of the northern Larsen Ice Shelf, Antarctic Peninsula, compared to field measurements and numerical modeling
Read more of: Interferometric analysis of the deformation pattern of the northern Larsen Ice Shelf, Antarctic Peninsula, compared to field measurements and numerical modelingThe motion field of the northern Larsen Ice Shelf, Antarctic Peninsula, was analyzed using radar interferometry in combination with field measurements and finite-element model calculations. The ice shelf between Jason […]
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Sexual segregation in timing of foraging by imperial shags (Phalacrocorax atriceps): is it always ladies first?
Read more of: Sexual segregation in timing of foraging by imperial shags (Phalacrocorax atriceps): is it always ladies first?The time seabirds have to forage is restricted while breeding, as time at sea must be balanced against the need to take turns with the partner protecting the nest site […]
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Comparative analysis of a teleost skeleton transcriptome provides insight into its regulation
Read more of: Comparative analysis of a teleost skeleton transcriptome provides insight into its regulationAn articulated endoskeleton that is calcified is a unifying innovation of the vertebrates, however the molecular basis of the structural divergence between terrestrial and aquatic vertebrates, such as teleost fish, […]
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Ecosystem services of the Southern Ocean: trade-offs in decision-making
Read more of: Ecosystem services of the Southern Ocean: trade-offs in decision-makingEcosystem services are the benefits that mankind obtains from natural ecosystems. Here we identify the key services provided by the Southern Ocean. These include provisioning of fishery products, nutrient cycling, […]