Advances in Marine Biology, Vol. 10 by Frederick S. Russell, Maurice Yonge (Eds.) PDF

By Frederick S. Russell, Maurice Yonge (Eds.)

ISBN-10: 0120261103

ISBN-13: 9780120261109

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Early work was concentrated on major whaling areas such as South Georgia but the work was slowly extended to embrace the whole of the Antarctic ocean. S. S. S. William Scoresby achieved an enviable record of scientific work between 1925 and 1937. I n 1949 The Discovery Investigations were taken over by the National Institute of Oceanography. Discovery 11 made one more extensive Antarctic cruise in 1950-51 to give a tally of a quarter of a century of active investigation into Antarctic marine biology.

1 500 to 2 000 m on the continental slope they are very rare. Spicules however occur abundantly beyond this depth, and in places may be commoner than they are on the shelf. Bottom currents are undoubtedly responsible for the transfer and Koltun shows that suspended midwater spicules were collected at various levels. Thia study ahould make ANTARCTIC BENTHOS 41 palaeontologists rather wary of using fossil spicules alone as palaeoecological evidence. Koltun (1968) was able to identify down to species many of the sponges contributing to the sediments in various areas of the Southern Ocean.

Y. R. and the United States. A. ). With a few exceptions the most productive programmes have resulted from the use of expedition vessels to work in associated areas. S. ) appointed under the auspices of the National Science Foundation. S. Eltanin operated by the United States National Science Foundation has been operating an almost continuous collecting programme through the Southern Oceans. The results of many of these more recent endeavours insofar as they relate to the benthos are only slowly appearing.

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Advances in Marine Biology, Vol. 10 by Frederick S. Russell, Maurice Yonge (Eds.)

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