Transcript Soil Erosion in Nepal

Welcome
to Nepal
Soil Erosion in Nepal
A Case Study of the Causes and
solutions used to tackle soil erosion
Aims for today
1. You will find out about how soil erosion effects
people in Nepal
2. Where is Nepal – what are the key facts about
the country of Nepal?
3. You will consider the causes and the solutions
used to control soil erosion in Nepal.
Page 34 and 35 in Interactions
Recap! What is soil Erosion?
What are the 4 main causes
of soil erosion?
• Overgrazing – too many
animals eat all the grass
• Up and Down Ploughing –
Water runs down the furrows
• Deforestation – trees
provide protection and hold
the soil together
• Soil exhaustion – soils are
over-used and can grow no
more
What do you know about
Nepal?
Where is Nepal?
What is the Capital City?
What is its population?
What is life like there?
Check page 34 for map and
fact file
Title: Soil Erosion in Nepal
Nepal Fact File
Location: Between China (Tibet) to the North and
India to the South
Population: 23 million
Size:
About the same size as England
Occupations: Mainly subsistence farming. Small plots
of land, scattered along steep valley sides.
Wealth:
One of the poorest countries
Physical: The rooftop of the world. Climate is wet
in summer and dry in the winter
So what is the problem in Nepal?
Lets read the second
Paragraph on Page 34
What causes soil erosion in
Nepal?
Physical Factors or Human Factors
Unstable soil
Increase in animal
numbers
Steep Slopes
Melting snow
Trees for firewood
Heavy Rain
Tourists & Trekkers
Population Increase
Terraces collapse
How do these create erosion?
Steep Slopes
Soils need to be
stabilised - Terraces
Unstable soil
Heavy Rain
Terraces under threat
and some collapse
Melting snow
Tourists & Trekkers
Trees for firewood
Deforestation
Population Increase
Increase in animal
numbers
Overgrazing
Solutions
•
•
•
•
•
•
Tree Planting Programmes
Alternative fuel sources (Yak dung!)
Fenced areas
Small dams
Government agencies
Self help schemes
More information
• Today’s presentation can be
found on the Geography
website main page ‘Soil
erosion in Nepal’ on
Http://www.slemishcollege.or
g.uk/geography.htm
Homework task for next Thursday
You are a member of the village
council for the village of Lukla (near
Everest). You have realised that
there is a growing problem of soil
erosion in your local area and you
have been asked to write up a report
that explains the problem of the
erosion of soil in the area and what
can be done to help solve the
problems.
Recap!
1. Where is Nepal?
2. What types of soil erosion are in
Nepal?
3. What solutions are the Nepalese
Government attempting to use to help
the problem?
Pictures of Nepal – you might
want to use these!