Intense winter surface melt on an Antarctic ice shelf
The occurrence of surface melt in Antarctica has hitherto been associated with the austral summer season, when the dominant source of melt energy is provided by solar radiation. We use […]
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Read more of: Intense winter surface melt on an Antarctic ice shelf
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A review on the biodiversity, distribution and trophic role of cephalopods in the Arctic and Antarctic marine ecosystems under a changing ocean
Read more of: A review on the biodiversity, distribution and trophic role of cephalopods in the Arctic and Antarctic marine ecosystems under a changing oceanCephalopods play an important role in polar marine ecosystems. In this review, we compare the biodiversity, distribution and trophic role of cephalopods in the Arctic and in the Antarctic. Thirty-two […]
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Dietary divergence is associated with increased intra-specific competition in a marine predator
Read more of: Dietary divergence is associated with increased intra-specific competition in a marine predatorOptimal foraging theory predicts that when food is plentiful all individuals should take a small range of preferred prey types, but as competition increases less preferred prey will be included […]
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Distribution and patterns of migration of a tropical seabird community in the eastern Indian Ocean
Read more of: Distribution and patterns of migration of a tropical seabird community in the eastern Indian OceanWe present the first detailed data on the distribution and migration patterns of four pelagic seabird species in the Eastern Indian Ocean—the Lesser Noddy (Anous tenuirostris melanops), Brown Noddy (Anous […]
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Geochemical fingerprints of glacially eroded bedrock from West Antarctica: detrital thermochronology, radiogenic isotope systematics and trace element geochemistry in Late Holocene glacial-marine sediments
Read more of: Geochemical fingerprints of glacially eroded bedrock from West Antarctica: detrital thermochronology, radiogenic isotope systematics and trace element geochemistry in Late Holocene glacial-marine sedimentsGeochemical provenance studies of glacial-marine sediments provide a powerful approach to describe subglacial geology, sediment transport pathways, and past ice sheet dynamics. The marine-based West Antarctic Ice Sheet (WAIS) is […]
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Bedrock erosion surfaces record former East Antarctic Ice Sheet extent
Read more of: Bedrock erosion surfaces record former East Antarctic Ice Sheet extentEast Antarctica hosts large subglacial basins into which the East Antarctic Ice Sheet (EAIS) likely retreated during past warmer climates. However, the extent of retreat remains poorly constrained, making quantifying […]
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Summer drivers of atmospheric variability affecting ice shelf thinning in the Amundsen Sea Embayment, West Antarctica
Read more of: Summer drivers of atmospheric variability affecting ice shelf thinning in the Amundsen Sea Embayment, West AntarcticaSatellite data and a 35‐year hindcast of the Amundsen Sea Embayment summer climate using the WRF model are used to understand how regional and large‐scale atmospheric variability affects thinning of […]
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Determination of the refractive index of organic material from atmospheric aerosol over the visible wavelength range using optical tweezers
Read more of: Determination of the refractive index of organic material from atmospheric aerosol over the visible wavelength range using optical tweezersOptical trapping combined with Mie spectroscopy is a new technique used to record the refractive index of insoluble organic material extracted from atmospheric aerosol samples over a wide wavelength range. […]
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Age-related variation in non-breeding foraging behaviour and carry-over effects on fitness in an extremely long-lived bird
Read more of: Age-related variation in non-breeding foraging behaviour and carry-over effects on fitness in an extremely long-lived bird1.Senescence has been widely documented in wild vertebrate populations, yet the proximate drivers of age‐related declines in breeding success, including allocation trade‐offs and links with foraging performance, are poorly understood. […]
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The accuracy of climate variability and trends across Arctic Fennoscandia in four reanalyses
Read more of: The accuracy of climate variability and trends across Arctic Fennoscandia in four reanalysesArctic Fennoscandia has undergone significant climate change over recent decades. Reanalysis data sets allow us to understand the atmospheric processes driving such changes. Here we evaluate four reanalyses against observations […]
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Comparative marine biodiversity and depth zonation in the Southern Ocean: evidence from a new large polychaete dataset from Scotia and Amundsen seas
Read more of: Comparative marine biodiversity and depth zonation in the Southern Ocean: evidence from a new large polychaete dataset from Scotia and Amundsen seasBased on a dataset of 16,991 and 307 morphospecies of polychaete worms collected from 58 epibenthic sledge deployments across the Scotia and Amundsen Seas, we show that the structures of […]
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High intake rates of microplastics in a Western Atlantic predatory fish, and insights of a direct fishery effect
Read more of: High intake rates of microplastics in a Western Atlantic predatory fish, and insights of a direct fishery effectMicroplastic contamination was investigated in the gut contents of an economically important estuarine top predator, Cynoscion acoupa, according to spatiotemporal and ontogenetic use of a tropical estuary. Microplastic contamination was […]