The impact of location, climate, & physical characteristics
on where people live, the type of work they do, & how they
travel Slide 2 Standards SS7G3 The student will explain the impact
of location, climate, and physical characteristics on population
distribution in Africa. a. Explain how the characteristics in the
Sahara, Sahel, savanna, and tropical rain forest affect where
people live, the type of work they do, and how they travel. Slide 3
The impact of location, climate, & physical characteristics on
where people live, the type of work they do, & how they travel
Slide 4 The Sahara desert stretches across the width of northern
Africa for 3,500,000 square miles. It covers 1/3 rd of the
continent. The climate is arid and very hot, with very little
rainfall. The average daily temperature is over 100 degrees. The
Sahara is covered with sand dunes, rocky hills, and stretches of
gravel that continue for miles and miles. There is very little
water or vegetation in this region. Slide 5 Slide 6 Very few people
live in the Sahara region because it is too hot and there is no
water. It is considered one of the harshest places on earth to
live. The population is very low. There are no jobs in the Sahara
because there are no cities. You cannot farm because of the lack of
vegetation and water. There are some nomadic herders in the region.
Travel is very difficult because of the extreme heat. Nomads use
camels, but the majority of people cross the Sahara by plane. Slide
7 Slide 8 Slide 9 The Sahel is a strip of dry grassland that is
located south of the Sahara. It is a dry, semi-arid region that is
slowly turning into desert. It gets more rainfall than the desert,
but still receives very little, ranging from 6-20 inches. The Sahel
is relatively flat with few mountains and hills. Vegetation is
sparse heregrasses and shrubs are unevenly distributed. Slide 10
Slide 11 People have tried to live here but generations of
overgrazing and desertification have caused soil erosion. Most of
the population has migrated to the cities due to desertification,
drought, & famine. Farming and raising livestock in the Sahel
have pretty much ended because of desertification. There is not a
lot of travel in this region because of the climate. People have to
walk for many miles just to get water. Slide 12 Slide 13 Slide 14
The African savanna is located near the Equator and covers almost
half of Africa. The savanna is a hot and dry grassland, that has
both dry and rainy seasons. The area receives enough rain to
support drought resistant undergrowth, but not enough to support
forest- type vegetation. Grasses are tall and thick, while trees
are short and scattered. Slide 15 Slide 16 Most people live in
villages along rivers so that they have access to water. Farming is
good here, but only if there is good rainfall. Grasses and grains
like wheat, oats, and sorghum grow in the region. The soil is
fertile, but disease carrying insects like the tsetse fly often
make faming difficult. Mining and raising livestock are also
important jobs in the region. Roads are being built to connect the
major urban areas in the region. Unfortunately, this is destroying
the natural habitat of the wildlife. Slide 17 Slide 18 Slide 19
Africas tropical rain forest is located along the central coast of
Africa, near the Equator. It lies in the Congo River Basin. It
touches 37 countries in Africa. The rain forest has a hot, humid
climate. The annual rainfall is over 70 inches of rain. Trees are
so thick and tall that sunlight never reaches the forest floor. The
trees grow hundreds of feet tall. Slide 20 Slide 21 The rain forest
provides food and water for over 75 million people. Jobs are found
in agriculture, mining, and the timber industry in this region. All
of these things have led to deforestation of the rain forest. The
roads are poorly maintained, so traveling is difficult in this
area. Slide 22 Slide 23 Slide 24 Teachers Thank you for downloading
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