Observations on the biology and seasonal variation in feeding of the east coast round herringEtrumeus wongratanai(Clupeiformes), off Scottburgh, KwaZulu‐Natal, South Africa

2019 ◽  
Vol 94 (3) ◽  
pp. 498-511 ◽  
Author(s):  
Lyle D. Vorsatz ◽  
Carl D. van der Lingen ◽  
Mark J. Gibbons
Keyword(s):  
South Africa ◽  
Seasonal Variation ◽  
East Coast ◽  
Kwazulu Natal

The 2005 KwaZulu-Natal sardine run survey sheds new light on the ecology of small pelagic fish off the east coast of South Africa

2010 ◽  
Vol 32 (2) ◽  
pp. 337-360 ◽  
Author(s):  
J C Coetzee ◽  
D Merkle ◽  
L Hutchings ◽  
C D van der Lingen ◽  
M van den Berg ◽  
...  
Keyword(s):  
South Africa ◽  
East Coast ◽  
Pelagic Fish ◽  
Small Pelagic Fish ◽  
Kwazulu Natal

Identifying the drivers of the pelagic ecosystem of an oligotrophic bight (KwaZulu–Natal, South Africa) using stable isotopes (δ13C, δ15N) and C : N ratio analysis

2016 ◽  
Vol 67 (11) ◽  
pp. 1750 ◽  
Author(s):  
Ander M. de Lecea ◽  
Rachel Cooper ◽  
Albertus J. Smit
Keyword(s):  
South Africa ◽  
East Coast ◽  
Austral Summer ◽  
Ratio Analysis ◽  
Wet Season ◽  
Terrestrial Organic Matter ◽  
Pelagic Ecosystem ◽  
Riverine Input ◽  
Kwazulu Natal ◽  
Marine System

The international literature highlights the importance of understanding the role and fate of terrestrial organic matter (OM) in the marine system, yet little is known about this on the oligotrophic east coast of South Africa. Within the Bight, three important processes make OM biologically available: (1) a topographically induced upwelling cell (north), (2) a Cyclonic Eddy (south), and (3) riverine input. We hypothesise that: (i) these OM sources differ substantially in their isotope ratios, and (ii) zooplankton at the inshore region has an isotope signature linked to localised fluvial fluxes. Particulate OM samples were collected at five locations along the Bight and in three main estuaries during austral summer and winter seasons in 2010 and subjected to isotopic and mixing model analysis. Riverine input played an important role in this ecosystem inshore during the wet season. Only marine OM played a role as a biological driver offshore and at all sites during the dry season. Although there were indications that the upwelling cell did occur, it was not confirmed as active in either season. The current study provides valuable insights into the Bight's biological functioning and principle insights into the fate of terrestrial organic carbon on the east coast of southern Africa.

Elemental Analysis and Nutritional Value of Seaweed from the East Coast of KwaZulu-Natal, South Africa

2016 ◽  
Vol 50 (3) ◽  
pp. 580-590 ◽  
Author(s):  
Kimona Kisten ◽  
Roshila Moodley ◽  
Sreekantha B. Jonnalagadda
Keyword(s):  
South Africa ◽  
Elemental Analysis ◽  
Nutritional Value ◽  
East Coast ◽  
Kwazulu Natal
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