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 447
... occurrences lie south of 28 ° S , and cluster into two distinct groups : on the Orange Shelf ( 28 ° S - 32 ° S ) ; and off the SW Cape ( 34 ° S - 35 ° S ) . The isolated site off Walvis Bay consists of one valve , and this is separated ...
... occurrences lie south of 28 ° S , and cluster into two distinct groups : on the Orange Shelf ( 28 ° S - 32 ° S ) ; and off the SW Cape ( 34 ° S - 35 ° S ) . The isolated site off Walvis Bay consists of one valve , and this is separated ...
Page 449
... occurrence . In the Orange Shelf and SW Cape populations , the species has a similar depth range ( 170-453 m , and 120–545 m , respectively ) , and the mean mud contents of the sediments in which the species is recorded ( 53 % and 54 ...
... occurrence . In the Orange Shelf and SW Cape populations , the species has a similar depth range ( 170-453 m , and 120–545 m , respectively ) , and the mean mud contents of the sediments in which the species is recorded ( 53 % and 54 ...
Page 451
... occurrences due to downslope postmortem transportation . If this is the case then the true lower depth limit of the species is 350 m . The oceanographic climate off south - western Africa is complex , with large - scale upwelling over ...
... occurrences due to downslope postmortem transportation . If this is the case then the true lower depth limit of the species is 350 m . The oceanographic climate off south - western Africa is complex , with large - scale upwelling over ...
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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