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Social Sciences: Class 5 — Chapter 6: Some Unique Places

6.1 Introduction to India's Unique Places

Shanti and her parents plan a summer vacation starting from the southernmost tip of India to explore the diverse and unique geographical regions of the country.

6.2 Islands of India

6.2.1 Andaman and Nicobar Islands

The southernmost tip of India is Indira Point, located in the Andaman and Nicobar Islands, which is a long chain of islands in the Bay of Bengal.

  • An island is a land surrounded by water on all sides. There are over a thousand islands in the seas around India.
  • The capital city of the Andaman and Nicobar Islands is Sri Vijaya Puram.

6.2.2 Unique Flora and Fauna

The tropical forests of these islands are home to unique species found nowhere else:

  • Trees with large, wide-spreading roots at the bottom that act as supports to keep them standing upright in wet soil.
  • Endemic birds such as the Andaman wood pigeon and the Andaman hornbill.

6.2.3 Marine Life and Corals

The Marine Interpretation Centre showcases the rich underwater ecosystem:

  • Corals are tiny sea animals that form colorful reefs, providing shelter and homes to many marine creatures.
  • Marine life is crucial for the ecological balance of the entire Earth.

6.2.4 North Sentinel Island

An isolated island where the indigenous Sentinelese people live as ancient hunter-gatherers. They choose to remain isolated from the modern world. During the 2004 tsunami, their deep connection and observation of nature (changes in wind, sea, and animal behavior) helped them survive safely.

6.3 Sundarbans: Home of the Mangroves

Located where the river Ganga meets the sea, the Sundarbans is the largest mangrove forest in the world. The land here is muddy and salty.

6.3.1 Mangrove Trees and Breathing Roots

  • Mangroves have special roots that grow upwards out of the water and muddy soil to help them breathe in the oxygen-depleted salt water.
  • These roots hold the soil together, preventing waves from washing the land away.

6.3.2 Human-Wildlife Coexistence

The Sundarbans is famous for the Royal Bengal Tiger. Local fishermen and honey-gatherers wear masks on the back of their heads because tigers usually attack their prey from behind; the masks confuse the tigers into thinking they are being watched.

6.4 Northeast India: Green Hills and Great Traditions

Northeast India consists of the Seven Sisters states along with Sikkim. It is a region where culture and nature grow closely together.

6.4.1 Biodiversity and Culture

  • Bhut Jolokia (ghost pepper), grown in this region, is one of the hottest chillies in the world and is used in food and to keep wild elephants away from crops.
  • The local communities actively protect the Hargila bird (Greater Adjutant Stork) by safeguarding their nesting trees.
  • Living root bridges are created by training the roots of rubber trees across streams. Over time, these roots grow strong enough to serve as sturdy pedestrian bridges.
6.5 The Western Ghats

The Western Ghats is a long mountain range and forested hill chain running parallel to the western coast of India, known as a global biodiversity hotspot.

6.5.1 Endemic Species and Rivers

  • Home to rare animals like the Indian Giant Squirrel and the lion-tailed macaque.
  • It is the source of several major peninsular rivers of India.
  • Rich in plants used in traditional medicine.

6.5.2 Silent Valley National Park

A unique rainforest in Kerala known for being exceptionally quiet because it lacks the typical buzzing sound of cicada insects. It was saved from being flooded by a planned dam through the historic Save Silent Valley Movement led by local citizens, students, and scientists.

6.5.3 Protected Areas

Protected areas are special regions like national parks, wildlife sanctuaries, and tiger reserves kept safe by the government to protect wildlife and habitats. The Western Ghats contain over 50 such protected areas.

6.6 Let Us Reflect: Aquatic Animals and Their Features