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 449
... 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 sediment is ...
... 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 sediment is ...
Page 453
... 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 zone of the ...
... 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 zone of the ...
Page 455
... ostracods , and recorded a relatively high similarity ( 27 % ) at the generic level . However , there were no species in common , and no evidence suggests any contact between the ostracod populations since at least the mid - Cretaceous ...
... ostracods , and recorded a relatively high similarity ( 27 % ) at the generic level . However , there were no species in common , and no evidence suggests any contact between the ostracod populations since at least the mid - Cretaceous ...
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Common terms and phrases
100 microns 1972 Poseidonamicus 250 m water AAIW Abbreviations abundance of Poseidonamicus adult valves Atlantic Deep Water Atlantic SW author's name Bathyal Benson & Peypouquet Campanian Cenozoic N Atlantic Chapman & Shannon continental margin continental shelf continental slope deep-water depth range dissolved oxygen DSDP Eocene eye tubercle Gastropoda genus hinge ears holotype internal ocular sinus juvenile MARGIN OF SOUTH-WESTERN mean mud contents Miocene ml/l Mozambique Channel NADW ocularis Whatley Oligocene Orange Shelf Orange Shelf area ostracod fauna ostracod population paratypes percentage of ostracod Peypouquet 1983 plotted against water Poseidonamicus major Benson Poseidonamicus panopsus sp Poseidonamicus sp Quaternary salinity minimum zone Scale bars scars separated SHALLOW-WATER SPECIES sighted species slope off south-western smoothed 5-point means South African Museum south-western Africa southern Africa species of Poseidonamicus St Helena Bay SW Cape Synonymy Table Tertiary upper depth limit Walvis Bay water depth Water mass Whatley & Coles Whatley et al