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Increase in greenness
- During the last two decades extensive studies based on satellite images, researchers have discovered an increase in greenness over large parts of the Sahel since the mid-80s. This is linked to a recorded increase in rainfall and is believed to represent the recovery of the landscape from the persistent droughts in the 70s and 80s.
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Nov 5, 2020 · ‘Over the past three decades hundreds of thousands of farmers in Burkina Faso and Niger, on the fringes of the Sahara Desert, have transformed large swathes of the region’s arid landscape into...
Aug 23, 2016 · Planting trees across the Sahel, the arid savanna on the south border of the Sahara Desert, had no chance to succeed. There was little funding. There was no science suggesting it would work.
It’s also one of the most vulnerable to climate change and variability. Since the mid-1980s, average rainfall in the Sahel has partially recovered, possibly contributing in places to a ‘re-greening’ of vegetation so widespread that it can be observed from space.
- Desertification in The Sahel – An Untruthful Story?
- Sustainable Agricultural Techniques
- The Future – A Sustainable Pathway?
- Biography
The area of the Sahel has long been depicted as a disaster area with one of the highest poverty levels in the world. This portrayal has been closely related to the notion of desertification; “an image of the advancing desert” where humans have been proclaimed as the culprit due to their unsustainable management of land. Desertification has gained a...
In the arid and semi-arid parts of West Africa traditional soil and water conservation techniques have been developed and promoted thanks to their beneficial effects on degraded and/or arid lands and on agricultural production. These techniques include zaï (planting pits), stone lines (contour rock bunds/ contour earthen bunds), half-moons, grass s...
In the 1980s no one thought that these improved traditional agricultural techniques would have such an impact resulting in a greener landscape. However, further research is necessary to understand if what seems to be a greening trend actually will contribute to a long-term livelihood improvement on the ground. Many researchers and development organ...
Anneli Sundinis currently undertaking her M.Sc. thesis at Stockholm Resilience Centre, exploring how the spread of these specific techniques relates to the re-greening trend. She is part of the larger research project at the Centre called “Adapting to climate change in drylands: the re-greening in Sahel as a potential success case”.
Jan 14, 2019 · The Great Green Wall of Africa (GGW) is a pan-African initiative to combat desertification in the Sahara Desert and the Sahel. Originally conceived as a massive tree plantation crossing the African continent from west to east, the GGW has evolved into a set of restoration projects aimed at environmental and human well-being.
Apr 5, 2022 · These will cross vast arid areas such as the Gobi Desert in Asia and the Sahel in Africa, parts of which have not been very green for millions of years. Regreening in such circumstances...
Jan 1, 2014 · Desertification of the Sahel region has been debated for decades, while the concept of a “re-greening” Sahel appeared with satellite remote sensing data that allowed vegetation monitoring across wide regions and over increasingly long series of years (nowadays 30 years with the GIMMS-3g dataset).
