A system dynamics approach to modelling multiple drivers of the African penguin population on Robben Island, South Africa

2014 ◽  
Vol 277 ◽  
pp. 38-56 ◽  
Author(s):  
Florian Weller ◽  
Lee-Anne Cecchini ◽  
Lynne Shannon ◽  
Richard B. Sherley ◽  
Robert J.M. Crawford ◽  
...  
Keyword(s):  
South Africa ◽  
System Dynamics ◽  
African Penguin ◽  
Robben Island

System dynamics modelling of the Endangered African penguin populations on Dyer and Robben islands, South Africa

2016 ◽  
Vol 327 ◽  
pp. 44-56 ◽  
Author(s):  
Florian Weller ◽  
Richard B. Sherley ◽  
Lauren J. Waller ◽  
Katrin Ludynia ◽  
Deon Geldenhuys ◽  
...  
Keyword(s):  
South Africa ◽  
System Dynamics ◽  
System Dynamics Modelling ◽  
Dynamics Modelling ◽  
African Penguin

‘VOICES’, MEANING AND ‘HETEROGLOSSIA’ IN PRISONERS OF HOPE (1995)

2017 ◽  
Vol 14 (1) ◽  
pp. 88-96
Author(s):  
Khatija Bibi Khan
Keyword(s):  
South Africa ◽  
Documentary Film ◽  
Textual Analysis ◽  
Political Prisoners ◽  
The Future ◽  
Human Capacity ◽  
Robben Island ◽  
Former Inmates

The documentary film Prisoners of Hope (1995) is a heart-rending account of 1 250 former political prisoners in the notorious Robben Island prison in South Africa. The aim of this article is to explore the narratives of Prisoners of Hope and in the process capture its celebratory mood and reveal the contribution that the prisoners made towards the realisation of a free South Africa. The documentary features interviews with Nelson Rolihlahla Mandela, Ahmed Kathrada and other former inmates as they recall and recount the atrocities perpetrated by defenders of the apartheid system and debate the future of South Africa with its ‘new’ political dispensation led by blacks. A textual analysis of Prisoners of Hope will enable one to explore the human capacity to resist, commit oneself to a single goal and live beyond the horrors and traumas of an oppressive and dehumanising system.

scholarly journals A phylogenetic approach towards understanding the drivers of plant invasiveness on Robben Island, South Africa

2013 ◽  
Vol 172 (2) ◽  
pp. 142-152 ◽  
Author(s):  
Bezeng S. Bezeng ◽  
Vincent Savolainen ◽  
Kowiyou Yessoufou ◽  
Alexander S. T. Papadopulos ◽  
Olivier Maurin ◽  
...  
Keyword(s):  
South Africa ◽  
Plant Invasiveness ◽  
Robben Island

Artificial nests enhance the breeding productivity of African Penguins (Spheniscus demersus) on Robben Island, South Africa

2012 ◽  
Vol 112 (2) ◽  
pp. 97-106 ◽  
Author(s):  
Richard B. Sherley ◽  
Barbara J. Barham ◽  
Peter J. Barham ◽  
T. Mario Leshoro ◽  
Les G. Underhill
Keyword(s):  
South Africa ◽  
Artificial Nests ◽  
Spheniscus Demersus ◽  
Robben Island

Genetic monitoring of ex situ African Penguin (Spheniscus demersus) populations in South Africa

2016 ◽  
Vol 51 (2) ◽  
pp. 83-90 ◽  
Author(s):  
Christiaan Labuschagne ◽  
Lisa Nupen ◽  
Antoinette Kotzé ◽  
J Paul Grobler ◽  
Desiré L Dalton
Keyword(s):  
South Africa ◽  
Genetic Monitoring ◽  
Ex Situ ◽  
Spheniscus Demersus ◽  
African Penguin

scholarly journals Sedimentological evidence for seiching in a swell-dominated headland-bay system: Table Bay, Western Cape, South Africa

2021 ◽  
Vol 41 (4) ◽  
Author(s):  
Mike Woodborne ◽  
Burg Flemming
Keyword(s):  
South Africa ◽  
Standing Wave ◽  
Large Scale ◽  
Logarithmic Spiral ◽  
Distribution Patterns ◽  
Western Cape ◽  
Sediment Distribution ◽  
Maximum Period ◽  
Hydrodynamic Processes ◽  
Robben Island

AbstractTable Bay, South Africa, is a typical headland-bay system with a shoreline that can be described by a logarithmic spiral. A peculiarity and unique feature of Table Bay is the juxtaposition of Robben Island opposite its headland. As a consequence, the bathymetry defines an ellipsoidal basin which was postulated to potentially resonate in the form of long-period standing waves (seiches). One aim of this study, therefore, was to investigate whether any evidence for such resonant oscillations could be detected in the geomorphology and sediment distribution patterns. Indeed, the ellipsoidal shape of the basin can be framed by two converging log-spirals with their centres located opposite each other, one off Robben Island and the other on the Cape Town side of the bay. The so-called apex line, which divides the two spirals into equal parts is aligned SW–NE, i.e. more or less parallel to the direction of ocean wave propagation. The distribution patterns of all sedimentary parameters were found to be characterised by a strikingly similar trend to either side of the apex line. This supports the hypothesis that the basin of Table Bay appears to resonate in the form of a mode 1 standing wave, with the node positioned above the apex line in the centre of the bay. The maximum period of such a standing wave was calculated to be around 37 min. The study demonstrates that large-scale sediment distribution patterns can reveal the existence of specific hydrodynamic processes in coastal embayments. It is recommended that this phenomenon be investigated in greater detail aimed at verifying the existence of resonant oscillations in Table Bay and, in the event, at establishing its precise nature and trigger mechanism.

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