Annals of the South African Museum, Volume 103, Issue 7 |
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Page 403
Dissolved oxygen The distribution of species ' means for sea - bottom dissolved oxygen is skewed towards a preference for high values ( Fig . 17 ) , although it must be remembered that , 4 3.5 32.5긑 2 1.51 0.5 0 + TH + QUATERNARY ...
Dissolved oxygen The distribution of species ' means for sea - bottom dissolved oxygen is skewed towards a preference for high values ( Fig . 17 ) , although it must be remembered that , 4 3.5 32.5긑 2 1.51 0.5 0 + TH + QUATERNARY ...
Page 404
Only two species have a preference for oxygen - deficient water ( < 2 ml / l ) : Palmoconcha walvisbaiensis and Bensonia k . robusta . Their mean values ( < 1 ml / l ) are markedly lower than the next lowest groups , in which only two ...
Only two species have a preference for oxygen - deficient water ( < 2 ml / l ) : Palmoconcha walvisbaiensis and Bensonia k . robusta . Their mean values ( < 1 ml / l ) are markedly lower than the next lowest groups , in which only two ...
Page 411
At the lower end of the curve , 11 species lie within a narrow preference band of 2.2-1.8 per cent . Plotting phosphorite values separately ( lower curve in Fig . 22 ) shows them to lie along an approximately sympathetic curve ...
At the lower end of the curve , 11 species lie within a narrow preference band of 2.2-1.8 per cent . Plotting phosphorite values separately ( lower curve in Fig . 22 ) shows them to lie along an approximately sympathetic curve ...
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100 specimens abundant species Ambostracon flabellicostata Ambostracon keeleri apatite Australoecia fulleri Austroaurila rugosa authigenic Average Bairdoppilata simplex Bensonia k bottom sediments Buntonia bremneri Buntonia deweti Buntonia gibbera Buntonia namaquaensis Buntonia rogersi Buntonia rosenfeldi CaCO3 Glauconite Phosphorite calcium carbonate Cape Columbine Cape Peninsula cent Chrysocythere craticula continental shelf Coquimba birchi Correlation coefficients Cytherella dromedaria Cytheropteron trinodosum Cytheropteron whatleyi Dingle Dissolved oxygen Organic Doratocythere exilis environmental parameters fauna Fe CaCO3 Glauconite Henryhowella melobesioides Incongruellina venusta Indet knysnaensis Krithe capensis Krithe spatularis Kunene River Lüderitz Macrocypris cf matter Depth Latitude metuenda ml/l MORG Namaqualand Neocaudites lordi Neocaudites osseus Neocytherideis boomeri Orange River Organic matter Depth ostracod oxygen Organic matter Palmoconcha walvisbaiensis Paracypris lacrimata Poseidonamicus panopsus Pseudokeijella lepralioides robusta Ruggieria cytheropteroides S.D. Range Salinity Dissolved oxygen Sand Mud Opal sea-floor sediments sediments south-western Africa SWCA taxa temperature and salinity Temperature Salinity Dissolved terrigenous upwelling Urocythereis arcana Walvis Bay Walvis Ridge Xestoleberis africana Xestoleberis hartmanni