Annals of the South African Museum |
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Page 266
E 1 Bathyal ( 24 % ) to Abyssal ( 42 % ) , there is a decrease from Neritic into Upper Bathyal ( 13 % ) , and a decrease from Lower Bathyal ( 51 % ) into Abyssal . These fluctuations can be related to the environmental tolerances of ...
E 1 Bathyal ( 24 % ) to Abyssal ( 42 % ) , there is a decrease from Neritic into Upper Bathyal ( 13 % ) , and a decrease from Lower Bathyal ( 51 % ) into Abyssal . These fluctuations can be related to the environmental tolerances of ...
Page 335
BATHYAL FAUNAS A total of 20 ostracod species has been identified from the Bathyal Zone off south - western Africa , three of which are neritic species at the limits of their depth ranges ( Table 9A , Fig . 54 ) .
BATHYAL FAUNAS A total of 20 ostracod species has been identified from the Bathyal Zone off south - western Africa , three of which are neritic species at the limits of their depth ranges ( Table 9A , Fig . 54 ) .
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 ...
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Common terms and phrases
abbreviations abundance Abyssal Africa appear arranged assemblage Atlantic authors autozooids base Basin Bathyal Bathyal Zone Benson border Brady Buntonia Cape Town cent coast collected colony continental d'Orbigny deposits depth described Description distribution dorsal Durban Elphidium Family fauna figures foramen Foraminifera Formation forms genus Group illustrations included indicated Journal known Krithe sp Kükenthal lateral length locality Lower major margin masses material McMillan mean Neritic North Note occur Ocean opisthotic original ostracod painted peduncle Pleistocene polyp posterior present prootic rachis range recorded references region relatively Remarks ridge rounded salinity samples Scale sclerites separates shelf shows side similar South African South African Museum south-western southern southern Africa species specimen squamosal stone surface suture Table teeth tests Unit University Upper ventral water depth Zone