South Button Island National Park, Location, Features, Biodiversity

South Button Island National Park is one of India's smallest marine parks, renowned for coral reefs, dugongs, sea turtles, tropical biodiversity, scuba diving, and conservation.

South Button Island National Park
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South Button Island National Park is a small but beautiful protected area located in the Andaman and Nicobar Islands of India. Surrounded by clear blue waters, it is known for its peaceful environment and rich marine life. The park is especially famous for its coral reefs, colorful fish, and diverse underwater ecosystem. Though small in size, it plays an important role in marine biodiversity conservation and maintaining the ecological balance of the region. 

South Button Island National Park Highlights

  • South Button Island National Park is a beautiful marine park known for its crystal-clear turquoise waters, colorful coral reefs, and rich marine life, making it a perfect spot for nature lovers and adventure seekers.
  • It was established in 1987 and is a part of the Rani Jhansi Marine National Park, located in the Andaman and Nicobar Islands near Swaraj Dweep (Havelock Island).
  • Despite covering a very small area (around 5 sq km), it is one of the smallest national parks in India, yet it holds great ecological importance due to its vibrant biodiversity.
  • The park is famous for its white sandy beaches, gentle waves, and peaceful environment.

South Button Island National Park Flora (Plant Life)

  • The island has dense tropical vegetation with a mix of trees, shrubs, and coastal plants, giving it a rich green cover despite its small size.
  • Important plant species include Rattan palm (Calamus palustris), Dinochloa andamanica (climbing bamboo), and trees like Dipterocarpus, Artocarpus, and Canarium.
  • Other notable species such as Hopea odorata, Caryota mitis, and Sideroxylon add to the island’s biodiversity.
  • The most significant feature is the presence of shallow-water coral reefs, which act as the main “underwater vegetation” supporting marine life.
  • These coral reefs are visible even at shallow depths, making the ecosystem unique and visually stunning.

South Button Island National Park Fauna (Animal Life)

  • Since the island is very small, large terrestrial mammals are absent, but it is extremely rich in marine biodiversity.
  • The surrounding waters are home to animals like Dugongs, Dolphins, Sea turtles, and even Blue whales, making it ecologically important.
  • A wide variety of colorful fishes such as Snappers, Butterflyfish, Lionfish, Angelfish, and Barracuda can be easily spotted.
  • Marine creatures like Octopuses, Nudibranchs, Shrimps, and Manta rays thrive in the coral reef ecosystem.
  • The island is also a breeding ground for Sea turtles, which adds to its conservation value.
  • In terms of birdlife, species like the White-bellied sea eagle and the Edible-nest swiftlet (endemic subspecies) are commonly found.

South Button Island National Park Climate

  • The park experiences a tropical oceanic climate, which keeps the weather pleasant for most of the year.
  • The average temperature ranges between 20°C to 30°C, making it comfortable for visitors.
  • The region receives heavy rainfall during the monsoon season (June to October), which may affect travel plans.

Significance of South Button Island National Park

  • South Button Island National Park holds great importance as a marine biodiversity hotspot, where rich coral reefs support a wide variety of fish, sea turtles, and other marine species.
  • It plays a key role in conservation of coral ecosystems, which are very sensitive and important for maintaining the ecological balance of ocean life.
  • The park is a part of the Rani Jhansi Marine National Park, making it an important component of a larger protected marine area in the Andaman and Nicobar Islands.
  • It is especially significant as a breeding and nesting ground for sea turtles and a habitat for rare species like the Dugong (sea cow) and White-bellied sea eagle.
  • Being one of the smallest national parks in India, it shows how even a small area can have high ecological and environmental value.
  • The park also promotes eco-tourism activities like snorkeling and scuba diving, helping people learn about and appreciate marine conservation.
  • Its clear waters and healthy coral reefs act as a natural indicator of a clean and well-preserved marine environment.
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Keya Roy
Keya Roy is a Content Writer with over 2+ years of experience in creating well-researched, engaging, and reader-friendly content, with a particular focus on UPSC and State PSC examinations. She specialises in breaking down complex concepts into clear, structured, and easy-to-understand content. Having qualified multiple competitive exams at different stages, she brings a strong academic background and a practical understanding of competitive examination requirements to her writing.
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