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Sun May 11, 2014, 07:51 PM

Potsdam Institute Study; 3 Key Climate-Vulnerable Regions Of Africa; Lake Victoria, SA, Sudan & Eth


The scientists, from the Potsdam Institute for Climate Impact Research (PIK), report their findings in a study published online in the journal Global Change Biology. The lead author, Christoph Müller, says: “We tried to identify the places where climate change really hurts most.”

The three regions expected to be among those most at risk in a couple of decades are parts of Sudan and Ethiopia; the countries surrounding Lake Victoria in central Africa; and the continent’s south-eastern corner, especially parts of South Africa, Mozambique and Zimbabwe.

They are expected to see more severe dry seasons and reduced plant growth, with flooding near Lake Victoria. The three are the sub-Saharan Africa regions where by 2100 there will be a high likelihood of possibly severe climatic impacts affecting countries with relatively high populations and high poverty rates.

Good News Too

The authors say that overlapping impacts of climate change — drought, for example, floods, declining crop yields or ecosystem damage — create “hotspots of risk”. They believe their approach builds a more comprehensive picture of risk. Till now, they say, most studies have addressed only one aspect of climate change impacts at a time, even though multiple stresses amplify vulnerability. As well as identifying hotspots, they say their composite picture explicitly addresses the issue of uncertainty.



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