India's Natural Heritage, Forests, and National Parks

A Today you'll learn

Classify India’s forest types: Tropical Evergreen, Deciduous, Thorn, Mountain, and Mangrove forests.
Explore famous National Parks and Biosphere Reserves (Jim Corbett, Kaziranga, Sundarbans, Gir).
Understand wildlife conservation initiatives like Project Tiger and Project Elephant.

B Let's understand

India boasts rich biodiversity and natural heritage, home to over 8% of the world’s recorded plant and animal species. Forests are categorized by climate and terrain: 1) Tropical Evergreen Forests: Found in Western Ghats and North-East India; dense canopy, trees do not shed leaves simultaneously. 2) Tropical Deciduous (Monsoon) Forests: The most widespread in India (Teak, Sal); trees shed leaves for 6–8 weeks in dry summer to conserve water. 3) Thorn Forests: Arid regions (Rajasthan, Gujarat) with cacti and thorny shrubs. 4) Mountain (Coniferous) Forests: In the Himalayas (Pine, Deodar, Oak) with needle-shaped leaves. 5) Mangrove (Tidal) Forests: Coastal deltas like the Sundarbans (Sundari trees) with breathing aerial roots (pneumatophores). To preserve wildlife from poaching and habitat loss, the government established National Parks and Wildlife Sanctuaries, launching landmark conservation missions such as Project Tiger.

C See it step by step

Example 1: Why are Sundarbans mangrove forests uniquely adapted to tidal river estuaries?

Step 1: The delta experiences twice-daily tides of salty, muddy seawater and river fresh water.
Step 2: Waterlogged soil lacks dissolved oxygen for root respiration.
Step 3: Sundari mangrove trees develop specialized upright breathing roots (pneumatophores) that stick out of mud into the air.
Step 4: This unique ecosystem supports the Royal Bengal Tiger and saltwater crocodiles.

Example 2: What is the key difference between a National Park and a Wildlife Sanctuary?

Step 1: In a National Park, the entire ecosystem (animals, plants, historical landscape) is strictly protected; no human commercial activity or grazing is permitted.
Step 2: In a Wildlife Sanctuary, protection focuses on specific endangered species, and limited traditional human rights (like gathering dry fallen firewood) may be permitted under regulation.

D Your turn

Kaziranga National Park in Assam is globally famous for protecting:

Look back at "Let's understand" above for a clue.

E Ready to practise?

India has evergreen

India has evergreen, deciduous (monsoon), thorn, coniferous mountain, and tidal mangrove forests.

Key idea 2

Deciduous forests are the most widespread in India; trees shed leaves in dry season.

Key idea 3

Sundarbans in West Bengal is the world’s largest mangrove delta, famous for Royal Bengal Tigers.

Key idea 4

Kaziranga in Assam is home to the endangered one-horned rhinoceros; Gir in Gujarat protects Asiatic lions.

Key idea 5

Project Tiger was launched in 1973 to save Bengal tigers and preserve forest habitats.

Warm up

1. Which is the most widespread type of forest found across central India?

2. Why do deciduous trees shed their leaves during the dry summer season?

3. Name the famous national park in Assam that protects the great one-horned rhinoceros.

Practise

4. In which state is Gir National Park, the last natural habitat of Asiatic lions, located?

5. Which tree gives the Sundarbans delta its name?

6. What are the breathing roots of mangrove trees called?

Challenge

7. In what year was Project Tiger initiated in India?

8. State two critical reasons why deforestation causes environmental damage.

Download worksheet (PDF)

Question 1: Which is the most widespread type of forest found across central India?

Answer: Tropical Deciduous (Monsoon) Forest

Question 2: Why do deciduous trees shed their leaves during the dry summer season?

Answer: To conserve water by minimizing loss of moisture through transpiration

Question 3: Name the famous national park in Assam that protects the great one-horned rhinoceros.

Answer: Kaziranga National Park

Question 4: In which state is Gir National Park, the last natural habitat of Asiatic lions, located?

Answer: Gujarat

Question 5: Which tree gives the Sundarbans delta its name?

Answer: The Sundari tree (Heritiera fomes)

Question 6: What are the breathing roots of mangrove trees called?

Answer: Pneumatophores (aerial breathing roots)

Question 7: In what year was Project Tiger initiated in India?

Answer: 1973 (at Jim Corbett National Park)

Question 8: State two critical reasons why deforestation causes environmental damage.

Answer: Deforestation leads to loss of wildlife habitats, causes soil erosion, and accelerates climate change by increasing greenhouse carbon dioxide