History of the Study of Pelagic Ostracoda of the Southern Ocean

2003 ◽  
Vol 39 (3) ◽  
pp. 84-92
Author(s):  
N. V. Kruk ◽  
V. G. Chavtur
Polar Biology ◽  
2011 ◽  
Vol 35 (1) ◽  
pp. 159-159
Author(s):  
Alexis M. Janosik ◽  
Andrew R. Mahon ◽  
Kenneth M. Halanych

2015 ◽  
pp. 59-70 ◽  
Author(s):  
Bruno David ◽  
Thomas Saucède
Keyword(s):  

Mr President, ladies and gentlemen: it is my pleasure, in opening this two-day conference on the terrestrial Antarctic ecosystem, to welcome you as contributors of papers and, as I shall hope, participants in the discussions with which we will conclude each of the four sessions of our meeting. This symposium was first suggested and has, in very large measure, been organized by Dr Martin Holdgate whom we regretfully, but nevertheless most warmly congratulate on his recent translation from the post of Senior Biologist of the British Antarctic Survey to that of Deputy Director of the Nature Conservancy. The furtherance of Antarctic biology in recent years owes much to Dr Holdgate’s energetic and imaginative direction, and I am glad to have this opportunity of acknowledging our indebtedness to him for arranging this discussion. The Antarctic continent, half as large again as Australia, and the surrounding Southern Ocean, in area about one-fifth of the world’s sea surface were, by their very remoteness from the maritime nations of the northern hemisphere, late of exploration. But, while it is little more than 75 years since man first set foot on the Antarctic continent, the more accessible waters of the Southern Ocean have an appreciably longer history of exploration, dating from the pioneering voyages of Captain Cook some 200 years ago. Biological investigations in Antarctica were, therefore, for long concerned almost entirely with observations and studies of animals living in the open ocean or on the sea floor rather than with the terrestrial and freshwater floras and faunas of the continental margin and oceanic islands which, either because of difficulties of access or limitations of time imposed by ships’ programmes, were rarely surveyed in detail.


1995 ◽  
Vol 7 (3) ◽  
pp. 221-226 ◽  
Author(s):  
S.A. Evseenko ◽  
K.-H. Kock ◽  
M.M. Nevinsky

Dissostichus eleginoides spawn over the continental slope from June to September. The eggs, 4.3–4.7 mm diameter, were found in the upper 500 m of the water column over waters 2200–4400 m deep. Incubation of eggs is likely to take about three months. Hatching is probably in October/November. Embryos in egg development stages III and IV are described. Scales are not present until the fish are about 64–74 mm long.


2021 ◽  
Author(s):  
Banafsheh Najjarifarizhendi ◽  
Gabriele Uenzelmann-Neben

<p>High-resolution 2D multichannel seismic data collected by the Alfred Wegener Institute in 2019 across the Maurice Ewing Bank, the high-altitude easternmost section of the Falkland Plateau in the SW South Atlantic, are integrated with information from DSDP Leg 36, Sites 327, 329, and 330 and Leg 71 Site 511. A seismostratigraphic model is defined, including five units ranging in age from the Middle Jurassic to Quaternary and are interpreted with respect to the evolutional history of the oceanic circulations in the South Atlantic sector of the Southern Ocean. Sedimentary sequences of late Cretaceous and early Paleogene include little and restricted evidence of current activity, attributable to shallow-intermediate depth connections between the developing South Atlantic and Southern Ocean. In contrast, sedimentary sequences of the late Eocene/Oligocene and Neogene reveal a strong history of current-related erosion and deposition. These features exhibit specific water-depth expressions attesting to the long-term activity of different water masses, in stable circulation patterns as those of the present day. We thus suggest that proto-Upper and -Lower Circumpolar Deep Waters have been shaping the bank since the Oligocene. This implies that this bathymetric high has been acting as a barrier for the deep and bottom water masses flowing within the Antarctic Circumpolar Current since its establishment about the Eocene-Oligocene boundary.</p>


Author(s):  
Thomas J. Williams ◽  
Claus‐Dieter Hillenbrand ◽  
Alexander M. Piotrowski ◽  
Claire S. Allen ◽  
Thomas Frederichs ◽  
...  

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