The environment of the African Transition Zone is known as the Sahel, a semi-arid region of grasslands created by the collision of the Sahara Desert and central African rain forests. The African Transition Zone stretches over a million square miles, and is over 3500 miles in length.
What is the African transition zone?
The African Transition Zone creates the southern boundary for North Africa. This zone serves as the transition between the arid type B climates and the tropical type A climates. … The African Transition Zone cuts through the center of Sudan and divides the country along religious and ethnic distinctions.
Why is the Sahel called a transition zone?
A transition zone is a physical area in which the land undergoes a radical change such as from arid to tropical. The word describes the appearance of vegetation in the Sahel as a “coastline” marking the border of the sands of the Sahara. …
What African landform has rolling grassland and scattered trees?
The savanna is the picture of Africa you see in the movies, with rolling grassland and scattered trees and shrubs. The most famous savanna is the Serengeti, straddling the borders of Kenya and Tanzania. There are 4.5 million square miles of savannas in Africa.
What is the transition zone south that separates the Sahara from tropical rainforests?
The Sahel is a narrow band of semi-arid land that forms a transition zone between the Sahara to the north and the savannas to the south.
What is the main problem for the African transition zone?
soil erosion is a problem in the African transition zone due to over grazing, bad farming techniques, and the dense population. soil erosion may not seem like an actual problem, but the truth is it effects everyone in the long run.
What happens in the transition zone?
The mantle transition zone (TZ) is the layer between two discontinuities in seismic wave-speed that lie at depths of approximately 410 km and 650 km [Anderson, 1989]. These discontinuities are polymorphic phase changes, caused by pressure-induced changes of crystal structure in certain minerals [Anderson, 1967].
What are the population pattern of the transition zone?
There are not only differences in religious beliefs, but also differences in ways of life. Herders, farmers, nomads, and city dwellers make up the people of the Transition Zone.
What challenges do the people of transition zone face today?
The main challenges posed by the end of demographic transition include a lack of resources to provide for the entire global population, the effects of climate change, contamination and population ageing. Each region faces a distinct future based on levels of economic development, demographics and geography.
What does Sahel mean in English?
Sahelnoun. a region in Africa, between the Sahara to the north and a more humid zone (Sudan) to the south. Etymology: From Arabic sahil “border of the desert”.
Which African country is losing its rainforest most rapidly?
Ghana is losing its rainforest faster than any other country in the world. Published May 1, 2019 This article is more than 2 years old. Ghana’s rainforest is being lost at an alarming rate, according to a new report about the state of forests worldwide.
Why is Northern Africa a desert?
The answer lies in the climate of the Arctic and northern high latitudes. … However, around 5,500 years ago there was a sudden shift in climate in northern Africa leading to rapid acidification of the area. What was once a tropical, wet, and thriving environment suddenly turned into the desolate desert we see today.
What percentage of Africa is rainforest?
Africa is home to around 18% of the world’s tropical forests. The second largest tropical forest on the planet is located in the Congo Basin in central Africa and extends for around 3 million square kilometres – which is larger than the entire land mass of Argentina.
What is the longest river in Africa that runs through the transition zone?
Congo River, formerly Zaire River, river in west-central Africa. With a length of 2,900 miles (4,700 km), it is the continent’s second longest river, after the Nile.
What is the largest desert in Africa?
The Sahara Desert is the world’s largest hot desert and the third largest desert behind Antarctica and the Arctic. Located in North Africa, it covers large sections of the continent – covering 9,200,000 square kilometers which is comparable to the are of China or the US!
How does climate affect life in the transition zone?
Long periods of drought and overuse of the land destroyed vegetation, making the land unusable. Droughts have caused crops to fail, killed livestock, and led to famines. … Unfortunately, deforestation and drought are making these lifestyles more difficult.