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The Sahel is a transitional zone between the Sahara Desert to the north and the savanna grasslands to the south. It has a semi-arid climate with sparse vegetation and low and irregular rainfall. Step 2
The Sahel is a transition zone between the pure desert of Sahara and the woody savanna of the Sudanean zone further south. It is a very fragile ecosystem where the signals of climate change and climate variability have been most apparent, with unprecedented climate variability over the last four decades (Hiernaux et al., 2009 ; Kaptué ...
Sub-Saharan Africa includes some 45,000 plant species. The spatial patterns of this diversity have been well explored. We can group the species into a set of biogeographical regions (largely co-incident with regions defined for terrestrial vertebrate groups). Furthermore, we know that the diversity is unevenly distributed, with southern Africa (especially the south-western tip ...
Jun 17, 2019 · The Great Green Wall aims to become a 15 km wide and 8,000 km long plant barrier along the Sahel. The realization of climate change and the last famine of 2010 have provided strength to this initiative that aims to repair the endemic governance errors in the area and the erroneous approach often taken when facing the desertification problem.
Jan 20, 2022 · Numerous desert plants such as Aloe vera (a tropical desert plant) have waxed or special oil-coated leaves that reduce transpiration. The creosote bush ( Larrea tridentata ) is another example of a desert plant with this adaptation. Hairy leaves. Some plants, like desert ironwood ( Olneya tesota ), have hairy leaves.
Mar 27, 2023 · This desert plant has small leaves that turn yellowish-green in winter before falling off during springtime; its flowers are pinkish-white when they bloom in the early summer months. 9. Golden Barrel Cactus. The golden barrel cactus is one of the most drought-tolerant plants that live out in the desert.
Sep 3, 2022 · The range of temperatures on a daily and annual scale is relatively low, being 11 °C (20 °F) and 5 °C (9 °F) respectively in the Atacama Desert. Deserts of this type are often long and narrow and bounded to the east by mountain ranges. They occur in south-west Africa, Chile, southern California and Baja California.
