The tree provides shade. It used to be lush and green, home to a variety of plants and animals. The Sahara Desert is the largest hot desert in the world, and the third largest overall after the Antarctica and the Arctic. The Sahara Desert has a surface area of approximately 3, 320, 000 square miles (8.6million square kilometers) making it the world’s largest hot desert with one of the harshest environments on earth. Also, to be protected against rain-bearing weather systems by the atmospheric circulation itself, the desert is made even drier by its geographical configuration and location. Researches show that there used to be green and thriving vegetation in Sahara that supports the life of millions of living beings including flora, fauna and humans.
The Arabic word ṣaḥrāʾmeans “desert.” It ranks as the third largest desert after the cold deserts Antarctica and the Arctic. Today, there is a great need to save Laperrine's olive tree.
The Sahara Desert covers an incredible 9.2 million km², which is almost the same size as China, and a total of 8% of the earth’s land area. It had a well-developed grassland ecosystem and was a much cooler place than it is today.
Acacia is another plant that is integral to the desert ecosystem.
Many of the organisms that can survive have been able to do so with adaptations for arid environments: for example, many herbaceous plants found in the Sahara are People have lived in the Sahara long before recorded history, at certain times in regions that are now too arid for human inhabitance.
Other mountain ranges in the area include the Aïr Mountains, Saharan Atlas, Adrar des Iforas, Hoggar Mountains, Tibesti Mountains, and the Red Sea hills.In east-central Algeria lies the Isaouane-n-Tifernine Sand Sea, with sand dunes as high as 450m – some of the tallest in the world!The largest dunes in Morocco are the Erg Chigaga – with some dunes reaching a massive 300m. The Sahara desert was fertile and well-watered land about eight thousand years ago.
The southern reaches of the Sahara end in the In Arabic the Sahara is called Al-Ṣaḥrāʾ al-Kubrā, or “the Great Desert.” The Arabic word Though boasting an extremely low primary productivity, the Sahara does manage to support some life.
The average annual temperature is 30°C, whilst the hottest temperature ever recorded was 58°C. The Sahara Desert is the world’s third most extensive desert after the Antarctica and Arctic. This tree is extremely drought resistant and holds the potential to be used as a genetic resource to improve its domestic counterparts. The Sahara is the world's largest desert; it extends across most of the northern part of Africa.The Ahaggar Plateau rises from the barren landscape of the Sahara in southern The Sahara has changed immensely!
(2007) "Climate Change in Prehistory: the end of the reign of chaos" (Cambridge University Press)Trans-Saharan Africa in World History, Ch.
Snow falls regularly on several mountain ranges, but nowhere else in the Sahara. The Sahara Desert is the world’s largest hot desert, located in North Africa.
The principal topographical features of the Sahara include shallow, seasonally inundated basins (chotts and dayas) and large
Whilst others live in permanent communities near water sources.The Sahara Desert really is an intriguing and beautiful place, waiting to be explored. Sand dunes, as an endless giant . Its vegetative reproduction method and limited gene flow combined with climate change have decreased its population drastically.
It is native to the Sahara’s Dates are almost synonymous with desert and the Sahara Desert is no exception. The adaptations of the wildlife and plants to the treacherous environment are fascinating, and the cultural history of this geographic crossroads complex and involved.
The Sahara Desert covers much of North Africa and spreads from the Red Sea in the east to the Mediterranean in the north to the Atlantic Ocean in the west.
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