Abstract
The unique characteristics of Small Island Developing States and structural vulnerabilities they face in terms of development have earned them particular consideration in the development agenda. This article sheds light on some of the vulnerabilities that these countries face, making particular reference to their environmental and economic vulnerabilities. It then highlights the ambiguous role that international migration plays in the recreation of those vulnerabilities.
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Notes
Note, that not all SIDS are geographically islands; non-island economies such as Belize, Guinea-Bissau, Guyana and Surinam have nevertheless been included in the list as they share most other characteristics common to SIDS.
Following the criteria of the United Nations International Strategy for Disaster Reduction (UNISDR), disasters are events where at least 10 people are reported as having been killed, at least 100 people are affected, a state of emergency is declared or where a request for international assistance is made by the national Government.
Whilst hazards such as wild fires, insect infestations end epidemics are also widespread, this note focuses only on the above-mentioned list.
Whilst future dynamical changes in ice flows will increase sea-levels further, sea-level increases up to 7 m is only likely if global average warming (relative to pre-industrial values) exceeds 1.9–4.6°C and is maintained for millennia (IPCC 2007).
According to the IPCC, the occurrence of tropical typhoons and cyclones may increase by as much as 50–60% whilst their intensity may increase by 10–20% (IPCC 2007). More recent evidence (Webster et al. 2005) points to a doubling in frequency of category 4 and 5 cyclones since the 1970s, whilst Emanuel (2005) shows that the potential destructiveness of hurricanes has increased markedly since the mid-1970s due to both longer storm lifetimes and greater storm intensities. Indeed, acknowledging that hurricanes show substantial interdecadal variability, the IPCC (2007) deems it likely that future tropical cyclones will become more intense, with larger peak wind speeds and more heavy precipitation associated with ongoing increases of tropical sea-surface temperatures [p. 46].
In Kiribati this is due to water scarcity but also a result of lack of appropriate infrastructure to cope with increased immigration to the capital atoll Tarawa (World Bank 2006b).
In fact, even ‘rainy’ islands like the Seychelles are experiencing problems because up to 98% of the rainwater is currently lost to the sea or through evaporation. Modest investments in rainwater harvesting systems could play their part in remedying the problem, experts claim (UNEP 2004).
Geological disasters such as earthquakes usually cause higher damage to assets and render more persons homeless, with fewer damages, particularly in economies based on agriculture. Climatic disasters, such as severe wind storms, flooding or drought, usually have a more significant impact on losses.
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Julca, A., Paddison, O. Vulnerabilities and migration in Small Island Developing States in the context of climate change. Nat Hazards 55, 717–728 (2010). https://doi.org/10.1007/s11069-009-9384-1
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DOI: https://doi.org/10.1007/s11069-009-9384-1