Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 338
75 % ) within the salinity minimum zone at the base of the Neritic Zone . It suffers a sharp , but temporary , decline at the top of the Upper Bathyal Zone but , with increasing depth , has a second abundance peak between 1 200 m and 1 ...
75 % ) within the salinity minimum zone at the base of the Neritic Zone . It suffers a sharp , but temporary , decline at the top of the Upper Bathyal Zone but , with increasing depth , has a second abundance peak between 1 200 m and 1 ...
Page 343
valves / 100g dry sediment 1000 % mud & valves / 100g 0 means 110 A | 58 | 491 | B SMZ NERITIC high abundances on continental shelf 21 AAIW -AAIWSMZ U. BATHYAL % mud water depth , km | 98 | peak at base of SMZ of AAIW valves / 100g 1 U.
valves / 100g dry sediment 1000 % mud & valves / 100g 0 means 110 A | 58 | 491 | B SMZ NERITIC high abundances on continental shelf 21 AAIW -AAIWSMZ U. BATHYAL % mud water depth , km | 98 | peak at base of SMZ of AAIW valves / 100g 1 U.
Page 351
Base of salinity minimum zone / bathyal thermocline of AAIW EFFECTIVE : Krithe spp . ( including Parakrithe ) —there is a decrease in abundance of the overall population into and out of the SMZ , with a midzone high .
Base of salinity minimum zone / bathyal thermocline of AAIW EFFECTIVE : Krithe spp . ( including Parakrithe ) —there is a decrease in abundance of the overall population into and out of the SMZ , with a midzone high .
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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