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Sahara Desert

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Jenna Hensley

on 1 October 2013

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Transcript of Sahara Desert

Sahara in Arabic means "The Great Desert" So the Sahara Desert is really The Great Desert Desert
Sahara Desert
The Desert Biome
North Africa
9 countries
Egypt, Sudan, Chad, Mali,
Algeria, Niger, Tunisia, and Libya
Biotic Factors
Range of temp
Average 86 in summer and
Ave. 55 in winter
There are many species of plants and animals in the Sahara Dessert. Some animals include desert eagle owls, desert beetles, camels, spiders, hawks, lizards, scorpions and snakes. Cacti, palm trees and some types of grasses and shrubs are the main plants in the Sahara Dessert. Some of the biotic factors interact through symbiotic relationships. The cactus plant is many herbivores main source of food in the Sahara. The biggest predators in the desert are some types of snakes, owls and lizards. Hawks often prey on lizards and small rodents. Cactus provide food and water lizards, while lizards help the cactus reproduce.
Some areas in the Sahara do not get any rain for a few years at a time
Hours of sun Light
10-12 hours of sunlight depending on your location in the Sahara

Screwhorn Antelope (AKA Addax)
Human Affects
Overhunted Animals to near e
How Humans Affect the Sahara
Humans are Over hunting to near extinction
Over use of any water humans find which is putting stress on the area and the ecosystem.
Irrigation with very poor drainage
CO2 levels effect the number of leave on plants
This can be a good thing. It means that some areas could be ready for forestry and agriculture but the water supply might not be able to sustain it.
Long twisted horns and coats change color by season


Rests in shady areas for protection from sandstorms

Prey to lions, cheetahs, leopards, African hunting dogs, and others

Eats grasses and leaves from shrubs, herbs and bushes

Breeding occurs throughout the year but peaks during winter and spring

Life expectancy is 19 years in the wild and 25 years in captivity

Less than 500 are found in the wild

Endangered species
Increase in vegetation means a cooler area
More than 1/4 of the Sahara Desert's surface is sand dunes; some can reach 500 ft
Did You Know?
The Sahara receives enough solar energy in a few hours to power the world for a YEAR
Did You Know?
1. CO2 Effects the vegetation of the environment.
2. A symbiotic relationship is when the Sahara Desert is when the cactus provides food and water for lizards, while lizards help the cactus reproduce.
3. The Sahara is located in 12 countries.
4. Depending on your location, the Sahara Desert gets 10-12 hours of sunlight a day

Short Answer
5. List 2 ways how humans are harming the Sahara Desert.

1. T
2. T
3. F
4. T
5. Over hunting, over use of water, poor irrigation drainage
By Katelyn and Jenna
Did You Know?
Flowers of the Sahara
Full transcript