New peatlands mapped in the Congo Basin

By Lydia Cole

On Tuesday, a very exciting article was published in Nature, describing the vast area of peatland that has just been mapped and measured in the Congo Basin.  It’s even bigger than Wales, apparently.  It was discovered by members of our very own UK Tropical Peatland Working Group: Dr Greta Dargie and her former supervisor, Dr Simon Lewis, after many a long and hard hour spent traversing the unstable, humid and mosquito-ridden peatlands of the DRC and Republic of Congo.

The ‘finding’ of this peatland has elevated our most recent estimate of the magnitude of the peat carbon store across Africa by an incredible five times; vastly increasing our calculation of the total volume of tropical peatlands also.  Whilst it’s probably no news to local people that there’s a massive swamp in their back garden, it is unlikely that they, and evidently the global community, appreciated the real extent of this waterlogged forest and how much peat was hiding underneath.

Given the remote location of the Cuvette Centrale peatlands, the threat of industrial agriculture is unusually rare (unlike in Southeast Asia).  However this carbon store is not immune to the potential and pervasive impact of climate change, and specifically climatic drying, where evapotranspiration may exceed precipitation, as Professor Sue Page aptly explains.

Accompanying the scientific publication, there was a torrent of popular pieces published describing the importance of this revelation to the general public.  These included articles in The Guardian, The New York Times and the International Business Times.  And for a more detailed account from Simon, have a read of The Conservation.

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Simon Lewis and Greta Dargie in a Congolese peatland

 

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