Islands in Ob Estuary, Kara Sea

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Islands in Ob Estuary, Kara Sea

  • Country: 
    Russian Federation
  • Site number: 
  • Area: 
    128,000 ha
  • Designation date: 
  • Coordinates: 
    66°40'N 70°58'E
Materials presented on this website, particularly maps and territorial information, are as-is and as-available based on available data and do not imply the expression of any opinion whatsoever on the part of the Secretariat of the Ramsar Convention concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.


Islands in Ob Estuary, Kara Sea. 13/09/94; Yamalo-Nenets Autonomous Area; 128,000 ha; 66°40'N 070°58'E. Nature Reserve. Floodplains of the lower Ob River, consisting of a complex of islands, lakes, channels, wet meadows, and marshes. A typical island feature is temporary water bodies (sors), occupying 40% of the total area. Habitats include fens, sor swamp meadows consisting of sedge-herb associations, grasses and willows. The site, on an important bird migration route, is one of the richest waterbird breeding and molting areas in the northern hemisphere. The numbers of breeding birds fluctuate from year to year, varying from 500 to 2,000 birds per 10 sq. km, depending on water levels. The area is one of the richest whitefish habitats in the world, supporting large populations of various species. Human activities include whitefish and sturgeon production, hay harvesting, ship navigation, reindeer herding, and conservation education. Ramsar site no. 676. Most recent RIS information: 1997.

Administrative region: 
Yamalo-Nenets Autonomous Area

  • National legal designation: 
    • zakaznik/nature sanctuary
  • Last publication date: 


Ramsar Information Sheet (RIS)