---
title: "Sundarbans Biosphere Reserve: UPSC Notes | Model Diplomat"
description: "The Sundarbans Biosphere Reserve, India's largest mangrove ecosystem, is vital for biodiversity and was designated a UNESCO site in 2001."
url: "https://modeldiplomat.com/learn/glossary/sundarbans-biosphere-reserve"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Sundarbans Biosphere Reserve is a protected mangrove ecosystem in India's West Bengal, designated in 1989 and inscribed on UNESCO's Man and the Biosphere network in 2001.
- How does a biosphere reserve differ from the Sundarban National Park and the Sundarban Tiger Reserve?
- What international and national designations apply to the Indian Sundarbans?
- Why is the Sundarbans Biosphere Reserve considered climate-vulnerable?
- Which authority administers the reserve?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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In May 2020, Cyclone Amphan struck the Sundarbans Biosphere Reserve, and the West Bengal Forest Department reported extensive mangrove damage, prompting renewed afforestation drives along its transition-zone embankments.

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