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Africa Physical Geo

QuestionAnswer
Causes of desertification Over-grazing, over farming, cutting down scattered trees, drought, climate change
Causes of deforestation Cutting down forests for living space, farmland, and timber products
Extremely dry area that covers most of Northern Africa Sahara Desert
Wet area in the desert fed by underground springs Oasis
Transition zone between the Sahara and the Savannah in Africa Sahel
Large grasslands with scattered trees in Africa Savanna
Thick forests with 70 foot high trees in humid tropical areas of Africa Tropical Rainforest
Farming just enough to feed you and your family Subsistence farming
Most common economic activities in the Sahara Nomadic herding. Farming is possible in areas that can be irrigated like the Nile River valley.
Most common economic activities in the Sahel Nomadic herding and subsistence farming
Most common economic activities in the Tropical rainforest Subsistence farming, timber, eco-tourism
Most common economic activities in the Savanna Subsistence farming, commercial farming, eco-tourism, herding
How does poor soil lead to deforestation? People have to keep cutting down more forest for farmland because the poor soil only supports farms for a few years before it loses its fertility. Soil washing away also contributes to low fertility.
How does desertification impact Africa? People have to move when the soil can't support life anymore. This causes more desertification when they repeat their activities and overcrowding in cities. Famines can also occur.
Widespread shortages of food Famine
Long period of abnormally low rainfall Drought
Fancy Social Studies Word for Warm Tropical
Fancy Social Studies Word for Wet (High Precipitation) Humid
Fancy Social Studies Word for Dry Arid
Fancy Social Studies Word for sort of dry Semi-Arid
Continually moving to allow your animals to have enough to eat in arid and semi-arid regions of the world Nomadic Herding
Dirt that is good for growing crops Fertile Soil
Fertilizer that gets washed off of fields and ends up in water sources Agricultural Runoff
Chemicals and other pollutants that leak out of industrial equipment and factories Industrial Waste
Cutting down trees and setting them on fire to clear that land and add fertility to the soil Slash and Burn Agriculture
Allowing herd animals to eat too much of the plant life in an area. It leaves the soil exposed and causes erosion which can lead to desertification. Overgrazing
Soil being transported away by wind or water Erosion
Fighting over scarce water sources Water wars
When water is not present or not much is present in an area Physical Water Scarcity
When water is present, but it is polluted and a society does not have the money to clean it and make it safe to drink Economic Water Scarcity
Created by: PRO Teacher CFurr
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