Articles | Volume 8, issue 4
https://doi.org/10.5194/esd-8-1141-2017
https://doi.org/10.5194/esd-8-1141-2017
Research article
 | 
13 Dec 2017
Research article |  | 13 Dec 2017

Desertification, resilience, and re-greening in the African Sahel – a matter of the observation period?

Hannelore Kusserow

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Short summary
Sahel greening and browning are discussed based on the relevance of edaphic factors, the importance of the observation period, and modifications in the vegetation pattern. The key findings are that (i) vegetation recovery predominantly depends on soil types, (ii) botanical investigations and EO-based time series show a substantial decline in the diversity and cover density of woody species compared to pre-drought conditions, (iii) and pattern formation is a key indicator for ecosystem changes.
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