The genus Cyamiocardium Soot-Ryen, 1951 (Bivalvia: Cyamiidae) in sub-Antarctic and Antarctic waters
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DOI: 10.1007/s00300-018-2275-8
Abstract: For more than 50 years the genus Cyamiocardium was regarded as represented by three species: Cyamiocardium denticulatum (with Cyamiocardium rotundatum as a synonym), Cyamiocardium dahli, and Cyamiocardium crassilabrum. However, in the last years, the latter was… read more here.
Keywords: genus cyamiocardium; species cyamiocardium; cyamiocardium; anatomy ... See more keywords
Aspects of the ecology of killer whale (Orcinus orca Linn.) groups in the near-shore waters of Sub-Antarctic Macquarie Island
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DOI: 10.1007/s00300-018-2361-y
Abstract: Occurrences of killer whales (Orcinus orca) in the waters surrounding Sub-Antarctic Macquarie Island have been recorded since the 1820s; however, their presence only became the focus of scientific research in the mid-1990s. The analyses of… read more here.
Keywords: killer whales; island; macquarie island; sub antarctic ... See more keywords
Winter is cool: spatio-temporal patterns of the squat lobster Munida gregaria and the Fuegian sprat Sprattus fuegensis in a sub-Antarctic estuarine environment
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DOI: 10.1007/s00300-018-2394-2
Abstract: In the sub-Antarctic waters of southern South America, two species that form conspicuous pelagic aggregations are considered both potential fishery resources and ecologically important: the Fuegian sprat Sprattus fuegensis and the squat lobster Munida gregaria.… read more here.
Keywords: winter; channel; fuegian sprat; sub antarctic ... See more keywords
Stalked barnacles on an adult male sub-Antarctic fur seal at Inaccessible Island, Tristan da Cunha
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DOI: 10.1007/s00300-019-02560-x
Abstract: An adult male sub-Antarctic fur seal, Arctocephalus tropicalis, on Inaccessible Island in the Tristan da Cunha archipelago (TdC), was observed infested with goose barnacles, likely Lepas australis. Although adult females have been recorded to carry… read more here.
Keywords: antarctic fur; male sub; adult male; island ... See more keywords
Sub-Antarctic fur seals depredate northern rockhopper penguins at Nightingale Island, Tristan da Cunha
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DOI: 10.1007/s00300-020-02688-1
Abstract: The most plausible hypothesis for declining population trends of some marine top predators at the northern extent of their breeding ranges in the Southern Ocean is that it results from environmental change. Sub-Antarctic fur seals… read more here.
Keywords: northern rockhopper; rockhopper; antarctic fur; rockhopper penguins ... See more keywords
Fish prey of sub-Antarctic fur seals Arctocephalus tropicalis at the Tristan da Cunha Islands, South Atlantic Ocean
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DOI: 10.1007/s00300-021-02849-w
Abstract: Some top predator populations in the South Atlantic and South Indian oceans are in decline, presumably contingent upon reduced food availability, precipitated by climate change. This phenomenon impacts on the positions of major ocean frontal… read more here.
Keywords: antarctic fur; sub antarctic; south atlantic; fur seals ... See more keywords
Distribution of dissolved methane and nitrous oxide in Chilean coastal systems of the Magellanic Sub-Antarctic region (50°–55°S)
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DOI: 10.1016/j.ecss.2018.10.020
Abstract: Abstract Nitrous oxide (N2O) and methane (CH4) are greenhouse gases and active in the depletion of the ozone layer. These gases, originating from both anthropogenic and natural sources, are mainly released to the atmosphere from… read more here.
Keywords: ch4; antarctic region; sub antarctic; magellanic sub ... See more keywords
Different ecological mechanisms lead to similar grazer controls on the functioning of periphyton Antarctic and sub-Antarctic communities
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DOI: 10.1016/j.pocean.2018.01.008
Abstract: Abstract The processes underpinning the differences between Antarctic and sub-Antarctic ecological communities are still unclear. Dispersal, drift, speciation, and abiotic environmental filtering have been considered to explain these differences; biotic interactions, however, have received less… read more here.
Keywords: sub antarctic; lead similar; density; grazer ... See more keywords
Glacier extent in sub-Antarctic Kerguelen archipelago from MIS 3 period: Evidence from 36Cl dating
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DOI: 10.1016/j.quascirev.2018.01.008
Abstract: Documenting sub-Antarctic glacier variations during the local last glacial maximum is of major interest to better understand their sensitivity to atmospheric and oceanic temperature changes in conjunction with Antarctic ice sheet changes. However, data are… read more here.
Keywords: extent sub; glacier extent; period; evidence ... See more keywords
Due South: the evolutionary history of Sub-Antarctic and Antarctic Tritoniidae nudibranchs.
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DOI: 10.1016/j.ympev.2021.107209
Abstract: The Tritoniidae provides one of the most famous model species for neurophysiology and behaviour, yet a well-developed phylogenetic framework for this family is still incomplete. In this study, we explored the species-level taxonomy, phylogenetic relationships,… read more here.
Keywords: due south; history sub; tritoniidae; south evolutionary ... See more keywords
Variability of the Sub‐Antarctic Mode Water Subduction Rate During the Argo Period
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DOI: 10.1029/2020gl088248
Abstract: Both a quasi‐biennial variability and an overall linearly increasing trend are identified in the Sub‐Antarctic Mode Water (SAMW) subduction rate across the Southern Hemisphere ocean, using the Argo data during 2005–2019. The quasi‐biennial variability is… read more here.
Keywords: subduction rate; sub antarctic; mode; variability ... See more keywords