Hot Desserts Flashcards
Where are Hot deserts Located?
- They are Found 15° and 35° north and south of the Equator.
There is Very Little Rainfall Less than (_______) Per Year.
- 250 mm
Temperatures Can Be extreme it can Reach (_______) in the Day.
- 45°
Write A Definition of Arid?
- Its Were there is very Little Rainfall And It Just Means Dry
A Lack Of Leaf Fall Limits the Soil (_______)
Soil is Often (______) with a (______) Texture.
- Fertility
- Shallow
- Gravelly
What Size Is Suitable For Mammals And Explain Why?
- Small Size Because then They Can Survive And Will Not Sweat A lot
What Is The Difference Between Biotic And Abiotic?
- Biotic Means Living For example Plants and Animals
- Abiotic Means Not Living For Example Sunlight
Write A Definition Of Aquifers?
- A Aquifer Is A Layer of Rock or Soil That Holds Water Underground
How Long Are Tap Roots?
They Are 7-10 Metres Long
If A Cactus Has Spines And A Waxy Surface how will it help it survive?
- Because Thirsty Animals would want Water And would want To get water From the cactus but the it has spines which helps it defend itself
Name 3 Adaptations camels have to help them survive in the desert And Explain It?
- Long Lashes-Helps them because So sand Doesn’t go in there Eyes
- Their Hump has Stored all their fat- This Helps them Because their gat is a source of energy
- Big Feet - So It doesnt sink in the Sand
Name 3 Reasons why the Desert have low Biodiversity?
- Extreme Temperature
- limited Water Sources
- Nutrient Poor soil
Write A Definition about Desertification?
-Desertification is the process by which fertile land becomes desert
Name 5 Opportunities in The Sahara Desert?
- Mineral Resources
- Oil and Gas
- Solar Energy
- Tourism
- Farming
Name 3 Challenges In The Sahara Desert?
- Extreme TemPeratures
- Limited Water Supply
- Inaccessibility
Name 2 Climate Cause of Desertification?
- Low Rainfall
- Temperature
Name 4 Human Activities Which Cause Desertification And Explain Why?
- Population Growth- More people on the land More Pressure
- Removal Of wood - Removing trees causes the Soil becoming Exposed
- OverGrazing- too many animals eating The plants Faster Than They can Regrow
- Over-Cultivation- If Crops are Planted in the Same Area Then all The nutrients and all the soil is used meaning Plants can’t grow Their aging
Write a Definition Of OverGrazing?
- Its Where plants Eat Plants Faster Than it Can Grow
Write a Definition Of OverCultivation?
- if Crops are planted in the same area they take the nutrients and then plants cant grow in that area
Name 4 Ways Desertification can be Reduced?
- Water Management
- Tree Planting
- Soil Management
- Appropriate Technolgy
Name 2 Facts About the Great Green Wall Of Africa
- The Great Green wall is a Sustainable Development occurring along the Sahel
- It is a African Led- Project Which is Covering 11 Contrises East - West Africa
What is The Great Green Wall Of Africa Doing
- The Project aims To Reverse Desertification and Bring Dry land Back To Life
- By Planting Trees The Canopy Increase Humidity and Provides Shade Meaning less water is needed
- Drought Resistant Trees have been Planted also holding Moisture in the Soil
- It will Cost 8 Billion Dollars In Total
Name 4 Reasons How The scheme helped already
- Greater food Security
- More Jobs
- People Can sell Their Products to make the Area More Economically Developed
- Planting Trees Encourages Agriculture and Brings Economic Benefits
