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A recent greening of the Sahel - Trends, patterns and potential causes

Publiceringsår: 2005
Språk: Engelska
Sidor: 556-566
Publikation/Tidskrift/Serie: Journal of Arid Environments
Volym: 63
Nummer: 3
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier


For the last four decades there has been sustained scientific interest in contemporary environmental change in the Sahel (the southern fringe of the Sahara). It suffered several devastating droughts and famines between the late 1960s and early 1990s. Speculation about the climatology of these droughts is unresolved, as is speculation about the effects of land clearance on rainfall and about land degradation in this zone. However, recent findings suggest a consistent trend of increasing vegetation greenness in much of the region. Increasing rainfall over the last few years is certainly one reason, but does not fully explain the change. Other factors, such as land use change and migration, may also contribute. This study investigates the nature of a secular vegetation trend across the Sahel and discusses several potential causative factors.


  • Physical Geography
  • remote sensing
  • desertification
  • vegetation change
  • sahel
  • migration


  • ISSN: 1095-922X

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