Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1989 - Natural history |
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Page 448
... Percentage 80 70 60 50 40 30 20 TABLE 3 Distribution of Poseidonamicus panopsus sp . nov . ( values are means for n ... ostracod fauna × 10 ) plotted against water depth . Mud and percentage ostracod values are smoothed 5 - point means ...
... Percentage 80 70 60 50 40 30 20 TABLE 3 Distribution of Poseidonamicus panopsus sp . nov . ( values are means for n ... ostracod fauna × 10 ) plotted against water depth . Mud and percentage ostracod values are smoothed 5 - point means ...
Page 449
... percentage of the ostracod population ) against the mud contents of the sea - floor sediments ( Fig . 6 ) indicate that the species peaks ( up to 60 % total ostracod population ) at about 250 m water depth , where the mud content of the ...
... percentage of the ostracod population ) against the mud contents of the sea - floor sediments ( Fig . 6 ) indicate that the species peaks ( up to 60 % total ostracod population ) at about 250 m water depth , where the mud content of the ...
Page 453
... ( percentage of ostracod population ) plotted against water depth . The populations of the two species are separated by 1 500 m of water on the continental slope which contains the following physico - chemical barriers : salinity minimum ...
... ( percentage of ostracod population ) plotted against water depth . The populations of the two species are separated by 1 500 m of water on the continental slope which contains the following physico - chemical barriers : salinity minimum ...
Contents
Discussion | 447 |
Family Trachyleberididae SylvesterBradley 1948 | 453 |
Acknowledgements | 456 |
Copyright | |
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Common terms and phrases
1972 Poseidonamicus 200 m water AAIW Abbreviations abundance of Poseidonamicus adductors adult valves allochthonous ancestor Antarctic Intermediate Water Atlantic Deep Water Australasia Bathyal Campanian Cenozoic Chapman & Shannon continental margin continental shelf continental slope deep-water depth range Dingle dissolved oxygen dissolved oxygen values dorsal Eocene genus hinge ears holotype homeomorphy inner shelf internal ocular sinus isobath juvenile lower depth limit Lower Eocene margin of south-western mean mud contents Miocene ml/l Mozambique Channel NADW North Atlantic Deep Orange Shelf area ostracod fauna ostracod population oxygen deficient parameters paratypes Percentage of adult percentage of ostracod plotted against water Poseidonamicus major Benson Poseidonamicus panopsus sp Quaternary relative abundance salinity minimum zone scar separated shallow-water species sighted species smoothed 5-point means South African Museum south-western Africa southern Africa species of Poseidonamicus St Helena Bay Tertiary upper depth limit Walvis Bay water depth Whatley & Coles Whatley et al