Annals of the South African Museum, Volume 103, Issue 7West, Newman & Company for the trustees of the Museum, 1994 - Natural history |
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Page 414
... barren sites in deeper water on the Walvis Ridge Abutment shelf . I have numbered these areas 1-5 on Figures 25 and 26. The extensive barren zone on the upper slope lies in progressively deeper water from north to south ( 550-1000 m ) ...
... barren sites in deeper water on the Walvis Ridge Abutment shelf . I have numbered these areas 1-5 on Figures 25 and 26. The extensive barren zone on the upper slope lies in progressively deeper water from north to south ( 550-1000 m ) ...
Page 415
... barren sites Mean values of various parameters within the areas 1-5 , into which the barren samples are concentrated ( Fig . 26 ) , as well as overall means for all barren sites , are shown in Table 6 . In comparison with the mean ...
... barren sites Mean values of various parameters within the areas 1-5 , into which the barren samples are concentrated ( Fig . 26 ) , as well as overall means for all barren sites , are shown in Table 6 . In comparison with the mean ...
Page 416
... barren areas . Barren areas * Parameter 1 2 3 4 5 All samples Depth ( m ) 763 287 94 107 218 182 Temperature ( ° C ) 4.9 11.1 12.2 9.7 8.9 10.8 Salinity ( % ) 34.47 35 35.2 34.8 34.6 35 Dissolved oxygen ( ml / l ) 2.8 1 0.8 2.2 3.8 1.5 ...
... barren areas . Barren areas * Parameter 1 2 3 4 5 All samples Depth ( m ) 763 287 94 107 218 182 Temperature ( ° C ) 4.9 11.1 12.2 9.7 8.9 10.8 Salinity ( % ) 34.47 35 35.2 34.8 34.6 35 Dissolved oxygen ( ml / l ) 2.8 1 0.8 2.2 3.8 1.5 ...
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100 Average 100 specimens 1993 Overall percentage abundant species Ambostracon flabellicostata Ambostracon keeleri apatite Australoecia fulleri Austroaurila rugosa authigenic Average S.D. Range Bairdoppilata simplex bottom sediments Brady Buntonia bremneri Buntonia deweti Buntonia gibbera Buntonia namaquaensis Buntonia rogersi Buntonia rosenfeldi CaCO3 Cape Columbine Cape Peninsula cent Chrysocythere craticula continental shelf Coquimba birchi Correlation coefficients Cytherella dromedaria Cytherella namibensis Cytheropteron trinodosum Cytheropteron whatleyi Dingle Dissolved oxygen Doratocythere exilis environmental parameters ERSITY fauna Glauconite Henryhowella melobesioides Incongruellina venusta Indet Krithe capensis Krithe spatularis Kunene River Latitude Lüderitz Macrocypris cf metuenda ml/l MORG Neocaudites lordi Neocaudites osseus Neocytherideis boomeri Opal Orange River Organic matter ostracod Palmoconcha walvisbaiensis Paracypris lacrimata Phosphorite Poseidonamicus panopsus Pseudokeijella lepralioides Range Average S.D. Ranking robusta Ruggieria cytheropteroides S.D. Range Average S.D. Range Temperature Salinity sample sites SAN DIEGO sea-floor sediments sediments south-western Africa SWCA temperature and salinity upwelling Urocythereis arcana Walvis Bay Walvis Ridge Xestoleberis africana Xestoleberis hartmanni