Biology of the Antarctic Seas III

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Published via the yank Geophysical Union as a part of the Antarctic learn Series.

This is the 3rd of the 11 volumes of the study sequence to date released that is dedicated to the Biology of the Antarctic Seas. It includes 12 unique papers which, in material, diversity from an research of the existence strategies of the microalgae of sea-ice (John S. Bunt) and the productiveness of the ocean (S. Z. El-Sayed) to the physiologic habit and reactions to diving of the Weddell seal (G. L. Kooyman).

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4mperima Pawson 1965" by the author, Candido P. Agatep, in which appeared a description of a new species, ,4. velacula. Four new speciesbelonging to three other genera in the same order and family (Elasipodida, Elpidiidae) are described in the present paper: Peniagone incondita, P. lacinora, Scotoplanes/acetus, and S. angelicus. All specimens, includingholotypes,have been placedin the collectionsof the Allan Hancock Foundation, University of Southern California, Los Angeles. SYSTEMATIC DISCUSSION Order ELASIPODIDA Th•el, 1882 Diagnosis:Respiratorytrees and retractor muscles absent,but tube feet alwayspresent.

D. D. . 27 Min ... 86 ... 54 Antarctic Research Series Biology of the Antarctic Seas III PRODUCTIVITY Vol. 11 OF SOME ANTARCTIC WATERS 35 TABLE 3. D. D. 12 ............... ............... 38 ............... D. D. D. D. 98 ............... 40 TABLE4. D. 5 ......... D. D. D. 2 ...... 7 7 10 10 ......... ......... 1 ß . ß . D. D. Antarctic Research Series Biology of the Antarctic Seas III 36 Vol. 11 SAYED Z. EL-SAYED Latitudinal Variationsin Productivity Since the areas investigatedencompassa large geographicalregion which is boundedon the north by the subtropicalconvergence (about Lat.

Feb. Feb. 1961-Feb. 1961-Feb. -Mar. 24 [ 1966] [ 1966] E1-Sayed(presentstudy) E1-Sayed (present study) E1-Sayed(present study) E1-Sayed (present study) a MgC/ma/day. TABLE 10. 10 (7) Numbers in parenthesesrefer to number of observationsmade. 15 gC/m2/ day) estimatedby SteemannNielsen [1954]. 53 X 106 tons arctic waters south of the convergencecover only about 5 • of the world ocean. This meansthat, per unit area, the antarctic waters are about 400• more productivethan the restof the oceans. Acknowledgments.

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