Due to asymmetrical power-relations, transboundary river basins and riparian states are considered either pivotal or impacted; see Figure 4 (Turton and Ashton 2008). South Africa is a pivotal state due to its relatively high economic development of which heavily relies on transboundary waters (Turton 2005). Impacted states, like Lesotho, lack the social capital or resources – ‘institutional gap’ – to address hydropolitical exploitation (Kitissou 2007). Likewise, pivotal basins have strategic momentum whereas impacted basins entail hydro-hegemons throttling equitable use for impacted states (Turton 2005). Consequently, a tragedy of the commons can ensue whereby pivotal states sacrifice regional water equity to attain national water security.
Figure
4:
Diagram illustrating pivotal and impacted relationships within Southern Africa.
Source: Turton and Ashton (2008).
Additionally, Yoffe et al. (2004) have conceived the Water Event Intensity Scale spanning from total war (-7) to voluntary unification (7) as well as factors for ‘Basin-at-Risk’ (Figure 5). These include hostile relations and variable/extreme climate, both found in South Africa. For instance during its Apartheid regime, South Africa was isolated by regional riparians who formed a counter-hegemonic coalition (Turton 2005). Evidently, domestic conditions can influence and drive interstate relations over transboundary waters (Giordano et al. 2002). South Africa’s hydro-hegemony was most securitised here, but megalomania of transboundary waters still continues after the Apartheid.
Figure
5:
Water Event Intensity Scale.
Source: Yoffe et
al. (2004).
References
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