Conservation Of Plants
Chapter Name : Conservation Of Plants And Animals |
Sub Topic Code : 103_08_07_01_01 |
Topic Name : Conservation Of Plants |
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Sub Topic Name : Deforestation And Its Causes And Consequences Of Deforestation |
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Introduction
Deforestation = Destruction of forests and woodlands.
Pre-Requisites:
What is deforestation, what causes it and what are the consequences.
Activity:
Dry areas, cracked land's. These are the places where trees have been cut and can't be grown again.
Real Life Question:
How does deforestation lead to decreased rainfall and climatic change?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Causes | Cutting of large no of trees for commercial purposes, forests land converted into agricultural lands, Cattle grazing, Poor quality of soil. Mining activities |
| Consequences | Forests help in increasing the water vapor density in the atmosphere hence leading to rainfall, deforestation causes decreased amount of vapor density in air hence decreased rainfall and climatic change. Soil erosion, Silting of lakes and dams and imbalance in carbon cycle are other consequences. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| When does sudden climatic change, drier lands and no rainfall occurs? | It occurs when large no of trees are cut down leading to deforestation. |
Real life uses :
In the city of rajasthan, it has a very hot and dry climate because there are hardly any trees hence leading to dry arid lands.
Places to visit :
Dry arid places in and around your city or the country. Forest areas around your city which have been cutting down for industrial or mining purposes.
Practical examples around us
| Examples | Explainations |
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What you learn in Theory:
What is deforestation and what causes it.
What you learn in Practice:
Why lands places around your city have arid lands and not capable of growing trees.