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Wetland Conservation

Rowmari- Donduwa Wetland Complex

Why in the News?

Environmentalists in Assam have proposed the Rowmari–Donduwa Wetland Complex for designation as a Ramsar Site, citing its exceptional biodiversity and ecological services.

Assam’s Wetland Context:

  • Current Scenario: Assam has 3,500+ wetlands (≈1.01 lakh ha), but only Deepor Beel (2002) is a Ramsar Site.
  • Conservation Importance: Designating Rowmari–Donduwa would fill a 20-year conservation gap and enhance Assam’s global wetland profile.
  • Regional Context: North-East India’s Ramsar Sites-  Deepor Beel (Assam), Loktak (Manipur), Rudrasagar (Tripura), Pala (Mizoram).

About Rowmari–Donduwa Wetland Complex:

  • Overview: Situated within the Laokhowa–Burhachapori Wildlife Sanctuary, Nagaon district, Assam, forming part of the Kaziranga–Orang landscape.
  • Ecological Role: An interconnected floodplain–marsh system acting as an ecological corridor between Kaziranga and Orang National Parks, supporting wildlife movement and genetic diversity.
  • Biodiversity Significance: The 6th Kaziranga Wetland Bird Census (2025) recorded 47,000+ birds of 120 species, exceeding counts from Deepor Beel and Loktak Lake.
  • Key Species: Hosts globally threatened birds, Knob-billed Duck, Lesser Adjutant Stork, Black-necked Stork, Ferruginous Pochard, and Common Pochard.
  • Ecosystem Services: Provides flood control, groundwater recharge, carbon storage, and supports fisheries and ecotourism-based livelihoods.
  • Ramsar Eligibility: Fulfils 8 of 9 Ramsar criteria, qualifying as a Wetland of International Importance.

Back2Basics: Ramsar Convention

  • Establishment: Signed on 2 February 1971 in Ramsar, Iran.
  • Objective: Provide a framework for conservation and wise use of wetlands and their resources.
  • Functions:
    • Identify and designate wetlands of international importance.
    • Promote effective management of wetlands.
    • Foster international cooperation for conservation.
  • Members: 173 countries (as of 2025).
  • India and Ramsar:
    • India joined in 1982.
    • First Ramsar site: Chilika Lake, Odisha (1981).
    • Current total: 93 sites (Sept 2025), covering 13,60,718 hectares.
    • Growth: From 26 sites in 2012 to 93 in 2025 (51 added since 2020).
    • State-wise: Tamil Nadu has the highest (20), followed by Uttar Pradesh (10).
    • About 10% of India’s total wetland area is under Ramsar listing.
  • Montreux Record: List of Ramsar sites under threat of ecological change.
    • 48 sites globally (2025).
    • 2 Indian sites included: Keoladeo National Park (Rajasthan) and Loktak Lake (Manipur).
  • World Wetlands Day: Celebrated on February 2nd every year.
    • 2025 Theme: “Protecting Wetlands for Our Common Future”.

Criteria for Declaration (9 Criteria):

A wetland can be declared a Ramsar site if it meets at least one of these:

  1. Has unique, rare, or representative wetland types.
  2. Supports vulnerable, endangered, or endemic species.
  3. Provides critical habitat for waterfowl, especially during migration.
  4. Contains significant ecological, botanical, zoological, limnological, or hydrological features.
  5. Supports biodiversity conservation and scientific research.
  6. Provides ecosystem services like flood control, groundwater recharge, and water purification.
  7. Has cultural, spiritual, or recreational importance.
  8. Ensures sustainable livelihoods for local communities.
  9. Faces threats requiring international cooperation for conservation.

 

[UPSC 2022] Consider the following pairs:

Wetland/Lake Location

1. Hokera Wetland- Punjab

2. Renuka Wetland- Himachal Pradesh

3. Rudrasagar Lake- Tripura

4. Sasthamkotta Lake- Tamil Nadu

How many pairs given above are correctly matched?

Options: (a) Only one pair (b) Only two pairs* (c) Only three pairs (d) All four pairs

 

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