Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 338
These fluctuations , to a large extent , reflect the changes in abundance of Henryhowella melobesioides , which is the dominant taxon in the Upper Bathyal Zone . This species becomes progressively more abundant with increasing depth ...
These fluctuations , to a large extent , reflect the changes in abundance of Henryhowella melobesioides , which is the dominant taxon in the Upper Bathyal Zone . This species becomes progressively more abundant with increasing depth ...
Page 342
Figure 58A shows the variation in abundance of ostracods ( measured as number of valves per 100 g of the original , dry sediment sample ) on the continental margin off south - western Africa . The highest abundances ( > 500 valves / 100 ...
Figure 58A shows the variation in abundance of ostracods ( measured as number of valves per 100 g of the original , dry sediment sample ) on the continental margin off south - western Africa . The highest abundances ( > 500 valves / 100 ...
Page 351
( including Parakrithe ) —there is a decrease in abundance of the overall population into and out of the SMZ ... Cytherella spp.very effective barrier ; high abundances and number of species in Neritic Zone do not persist across SMZ ...
( including Parakrithe ) —there is a decrease in abundance of the overall population into and out of the SMZ ... Cytherella spp.very effective barrier ; high abundances and number of species in Neritic Zone do not persist across SMZ ...
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Common terms and phrases
AAIW abundance Abyssal Abyssal Zone Abyssocythere Ambocythere appear assemblage Atlantic barrier base Basin Bathyal Zone Benson Bold boundary Brady Buntonia Buntonia rosenfeldi Cape cent changes cronini Cythere Cytherella Cytheropteron sp deep deep-water depth range differs Dingle distribution dominant DSDP Dutoitella effective Eocene Figure genus Henryhowella Henryhowella melobesioides holotype horridus Illustrated important includes increase indicate internal view Krithe sp lateral less LIBRARY limit mean Miocene mud content NADW Neritic Neritic Zone occur Ocean ostracod population outline overall Parakrithe percentage Peypouquet plotted posterior Puri Quaternary recorded relatively Remarks Ridge rounded Rugocythereis salinity samples Sars sediments serratula shows similar slope south-western Africa spatularis species specimens suhmi TABLE taxa temperature total ostracod fauna Trachyleberis UNIVERSITY OF CALIFORNIA Upper Bathyal Zone values valve variations water depth water masses Whatley & Coles