{"id":3234,"date":"2026-07-13T17:40:04","date_gmt":"2026-07-13T12:10:04","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=3234"},"modified":"2026-07-13T17:54:53","modified_gmt":"2026-07-13T12:24:53","slug":"where-is-sundarban-biosphere-reserve","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/where-is-sundarban-biosphere-reserve\/","title":{"rendered":"Sundarban Biosphere Reserve, Location, Flora &#038; Fauna, Geography"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Sundarban Biosphere Reserve is a unique natural region located in the <\/span><b>delta of the Ganga, Brahmaputra, and Meghna rivers<\/b><span style=\"font-weight: 400;\"> in <\/span><b>West Bengal<\/b><span style=\"font-weight: 400;\">. It is famous for having the <\/span><b>largest mangrove forest in the world<\/b><span style=\"font-weight: 400;\">, with a network of <\/span><b>rivers, creeks, and islands<\/b><span style=\"font-weight: 400;\">. The area is well known as the habitat of the <\/span><b>Royal Bengal Tiger<\/b><span style=\"font-weight: 400;\">, along with many other species of plants and animals. It is an important <\/span><b>biodiversity hotspot<\/b><span style=\"font-weight: 400;\"> and supports a rich <\/span><b>ecosystem of land and water<\/b><span style=\"font-weight: 400;\">. The reserve also plays a key role in <\/span><b>protecting coastal areas from cyclones<\/b><span style=\"font-weight: 400;\"> and maintaining <\/span><b>ecological balance<\/b><span style=\"font-weight: 400;\">. Overall, it shows how <\/span><b>nature and human life coexist<\/b><span style=\"font-weight: 400;\"> in a fragile environment.\u00a0<\/span><\/p>\n<h2><b>Sundarban Biosphere Reserve<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>Sundarban Biosphere Reserve<\/b><span style=\"font-weight: 400;\"> is a vast and ecologically important region located in <\/span><b>West Bengal<\/b><span style=\"font-weight: 400;\">, forming part of the <\/span><b>Ganga-Brahmaputra-Meghna delta<\/b><span style=\"font-weight: 400;\">, which is the <\/span><b>largest delta in the world<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is widely known for having the <\/span><b>largest <\/b><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/mangroves\/\" target=\"_blank\"><b>mangrove<\/b><\/a><b> forest on Earth<\/b><span style=\"font-weight: 400;\">, spread across <\/span><b>India and Bangladesh<\/b><span style=\"font-weight: 400;\">, creating a unique mix of <\/span><b>land, rivers, and tidal ecosystems<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The reserve was officially declared in <\/span><b>1989<\/b><span style=\"font-weight: 400;\"> under India\u2019s <\/span><b>National MAB Programme<\/b><span style=\"font-weight: 400;\">, inspired by <\/span><b>UNESCO\u2019s Man and Biosphere (MAB) Programme (1970)<\/b><span style=\"font-weight: 400;\"> to promote harmony between humans and nature.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It was included in the <\/span><b>Global Network of Biosphere Reserves in 2001<\/b><span style=\"font-weight: 400;\">, highlighting its international ecological importance.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region is also globally recognised as a <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/united-nations-educational-scientific-and-cultural-organization-unesco\/\" target=\"_blank\"><b>UNESCO<\/b><\/a><b> World Heritage Site<\/b><span style=\"font-weight: 400;\">, making it one of the most important biodiversity areas in the world.<\/span><\/li>\n<\/ul>\n<h2><b>Sundarban Biosphere Reserve Location and Extent<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Sundarban region covers around <\/span><b>10,200 sq km of mangrove forests<\/b><span style=\"font-weight: 400;\">, with about <\/span><b>4,200 sq km in India<\/b><span style=\"font-weight: 400;\"> and the rest in Bangladesh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>Indian part of the Sundarban<\/b><span style=\"font-weight: 400;\"> is located in <\/span><b>West Bengal<\/b><span style=\"font-weight: 400;\">, covering the districts of <\/span><b>South 24 Parganas<\/b><span style=\"font-weight: 400;\"> and <\/span><b>North 24 Parganas<\/b><span style=\"font-weight: 400;\">, and extends southwards up to the <\/span><b>Bay of Bengal<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In India, the total Sundarban region (including inhabited areas) is about <\/span><b>9,600 sq km<\/b><span style=\"font-weight: 400;\">, forming the Biosphere Reserve.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is bounded by <\/span><b>river Muriganga in the west<\/b><span style=\"font-weight: 400;\"> and <\/span><b>Harinbhanga and Raimangal rivers in the east<\/b><span style=\"font-weight: 400;\">, with major rivers like <\/span><b>Matla, Thakuran, Saptamukhi, and Gosaba<\/b><span style=\"font-weight: 400;\"> flowing through it.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The area consists of a complex network of <\/span><b>rivers, creeks, mudflats, and islands<\/b><span style=\"font-weight: 400;\">, creating a dynamic and ever-changing landscape.<\/span><\/li>\n<\/ul>\n<p><b>Also Read : <\/b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/biosphere-reserve-in-india\/\" target=\"_blank\"><b>Biosphere Reserves in India<\/b><\/a><\/p>\n<h2><b>Uniqueness of Sundarban<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sundarban is the <\/span><b>only mangrove forest in the world where tigers are found naturally<\/b><span style=\"font-weight: 400;\">, making it extremely unique.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is the <\/span><b>largest continuous habitat of the <\/b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/royal-bengal-tigers\/\" target=\"_blank\"><b>Royal Bengal Tiger<\/b><\/a><span style=\"font-weight: 400;\">, with a specially adapted population that can survive in <\/span><b>saline and swampy conditions<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region shows a rare combination of <\/span><b>terrestrial, aquatic, and coastal <\/b><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/ecosystem\/\" target=\"_blank\"><b>ecosystems<\/b><\/a><span style=\"font-weight: 400;\">, leading to high biodiversity and ecological productivity.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is also recognised under multiple conservation frameworks such as <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/project-tiger-1973\/\" target=\"_blank\"><b>Project Tiger<\/b><\/a><b> (1973)<\/b><span style=\"font-weight: 400;\"> and proposed as a <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/ramsar-sites-in-india\/\" target=\"_blank\"><b>Ramsar Site<\/b><\/a><b> (wetland of international importance)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Importance of Sundarban Ecosystem<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Sundarban ecosystem supports a <\/span><b>rich diversity of flora and fauna<\/b><span style=\"font-weight: 400;\">, making it a major <\/span><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/biodiversity\/\" target=\"_blank\"><b>biodiversity<\/b><\/a><b> hotspot<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It acts as a <\/span><b>natural fish nursery<\/b><span style=\"font-weight: 400;\">, supporting fisheries that are important for both ecology and local economy.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The dense mangrove forests help in <\/span><b>reducing the impact of cyclones<\/b><span style=\"font-weight: 400;\">, protecting coastal areas from storms and tidal waves.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It also prevents <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/soil-erosion\/\" target=\"_blank\"><b>soil erosion<\/b><\/a><span style=\"font-weight: 400;\"> and stabilizes the coastline through its complex root systems.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Millions of people depend on this ecosystem for their <\/span><b>livelihood<\/b><span style=\"font-weight: 400;\">, including <\/span><b>fishing, honey collection, and forest-based resources<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Sundarban Biosphere Reserve Topography<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Geologically, Sundarban is a <\/span><b>prograding delta<\/b><span style=\"font-weight: 400;\">, formed by the continuous deposition of sediments brought by rivers like <\/span><b>Ganga, Matla, and Bidyadhari<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region is mainly composed of <\/span><b>quaternary sediments<\/b><span style=\"font-weight: 400;\">, making the soil soft, fertile, and constantly changing due to tidal action.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The land is mostly <\/span><b>low-lying and waterlogged<\/b><span style=\"font-weight: 400;\">, which supports mangrove vegetation adapted to saline conditions.<\/span><\/li>\n<\/ul>\n<h2><b>Sundarban Biosphere Reserve Climate and Rainfall<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region has a <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/tropical-climate\/\" target=\"_blank\"><b>tropical monsoon climate<\/b><\/a><span style=\"font-weight: 400;\">, influenced by its proximity to the <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/bay-of-bengal\/\" target=\"_blank\"><b>Bay of Bengal<\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>average maximum temperature<\/b><span style=\"font-weight: 400;\"> is around <\/span><b>35\u00b0C<\/b><span style=\"font-weight: 400;\">, while the climate remains humid throughout the year.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The area receives about <\/span><b>1920 mm of annual rainfall<\/b><span style=\"font-weight: 400;\">, mainly during the monsoon season.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>average humidity is around 82%<\/b><span style=\"font-weight: 400;\">, creating favorable conditions for mangrove growth.<\/span><\/li>\n<\/ul>\n<h2><b>Sundarban Biosphere Reserve Flora (Plant Life)<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Sundarban is dominated by <\/span><b>mangrove vegetation<\/b><span style=\"font-weight: 400;\">, including important species like <\/span><b>Sundari, Passur, and Nypa palm<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Forest types include <\/span><b>tidal swamp forests, saline mixed forests, and brackish water forests<\/b><span style=\"font-weight: 400;\">, all adapted to saline and waterlogged conditions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region has about <\/span><b>81 mangrove plant species<\/b><span style=\"font-weight: 400;\">, showing the <\/span><b>highest mangal (mangrove) diversity in the world<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These plants play a crucial role in <\/span><b>coastal protection, nutrient cycling, and habitat formation<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Sundarban Biosphere Reserve Fauna (Animal Life)<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sundarban is the <\/span><b>largest habitat of the Royal Bengal Tiger<\/b><span style=\"font-weight: 400;\">, which is specially adapted to this ecosystem.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It supports over <\/span><b>50 species of mammals<\/b><span style=\"font-weight: 400;\">, including <\/span><b>spotted deer, wild boar, and rhesus macaque<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region is rich in reptiles such as <\/span><b>estuarine crocodile, water monitor lizard, and king cobra<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is home to aquatic species like the <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/about-gangetic-dolphin\/\" target=\"_blank\"><b>Gangetic dolphin<\/b><\/a><b> and snubfin dolphin<\/b><span style=\"font-weight: 400;\">, along with several <\/span><b>marine turtles<\/b><span style=\"font-weight: 400;\"> such as <\/span><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/olive-ridley-turtles\/\" target=\"_blank\"><b>Olive Ridley Turtle<\/b><\/a><b> and <\/b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/green-turtle\/\" target=\"_blank\"><b>Green Sea Turtle<\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">More than <\/span><b>150 bird species<\/b><span style=\"font-weight: 400;\"> and a wide variety of <\/span><b>fish, crabs, and molluscs<\/b><span style=\"font-weight: 400;\"> are found here, making it highly diverse.<\/span><\/li>\n<\/ul>\n<h2><b>Protected Areas within Sundarban Biosphere Reserve<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Biosphere Reserve includes several protected areas such as:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/sundarbans-national-park\/\" target=\"_blank\"><b>Sundarban National Park<\/b><\/a><b> (core area)<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Sundarban Tiger Reserve<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Sajnekhali Wildlife Sanctuary<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Lothian Island Wildlife Sanctuary<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Halliday Island Wildlife Sanctuary<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These areas together ensure the <\/span><b>conservation of wildlife and habitats<\/b><span style=\"font-weight: 400;\"> at different levels.<\/span><\/li>\n<\/ul>\n<h2><b>Sundarban Biosphere Reserve Socio-Economic Importance<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Sundarban region supports a large population of around <\/span><b>4.5 million people<\/b><span style=\"font-weight: 400;\">, many of whom depend directly on forest resources.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Due to <\/span><b>saline soil and limited agriculture<\/b><span style=\"font-weight: 400;\">, people rely on <\/span><b>fishing, honey collection, fuelwood, and handicrafts<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eco-development programmes focus on <\/span><b>sustainable livelihood options<\/b><span style=\"font-weight: 400;\">, such as <\/span><b>aquaculture, animal husbandry, and alternative energy use<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Community participation plays a key role in ensuring <\/span><b>balanced development and conservation<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Why is the Sundarban Biosphere Reserve Important?<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>globally significant ecosystem<\/b><span style=\"font-weight: 400;\"> due to its <\/span><b>unique mangrove biodiversity<\/b><span style=\"font-weight: 400;\"> and role in climate resilience.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region acts as a <\/span><b>natural barrier against cyclones and sea-level rise<\/b><span style=\"font-weight: 400;\">, especially important for coastal protection.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It provides habitat to many <\/span><b>endangered and rare species<\/b><span style=\"font-weight: 400;\">, making it crucial for conservation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">At the same time, it supports <\/span><b>human livelihoods<\/b><span style=\"font-weight: 400;\">, showing a balance between <\/span><b>nature and development<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sundarban is a perfect example of how <\/span><b>ecological sustainability and human survival are interconnected<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Sundarban Biosphere Reserve is the world&#8217;s largest mangrove forest, home to the Royal Bengal Tiger. Explore its location, biodiversity, UNESCO status &#038; importance.<\/p>\n","protected":false},"author":5,"featured_media":113085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[786],"tags":[4993,5106,8671],"class_list":["post-3234","post","type-post","status-publish","format-standard","has-post-thumbnail","category-general-studies","tag-environment","tag-environment-notes","tag-sundarban-biosphere-reserve","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/3234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=3234"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/3234\/revisions"}],"predecessor-version":[{"id":113081,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/3234\/revisions\/113081"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/113085"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=3234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=3234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=3234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}