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Manicouagan Uapishka Biosphere Reserve, Canada

The landscape of the Manicouagan – Uapishka Biosphere Reserve is dominated by the Saint Lawrence River to the south and the Manicouagan reservoir to the north, forming a circle visible from great distances, even from space. They are linked by a web of rivers, which flow through vast woodlands. 

Designation date: 2007


Regional network:  EuroMab

Ecosystem-based network: Mountain and Wetlands




    Surface : 5,480,000 ha

    • Core area(s): 302,270 ha (Terrestrial: 286,780 ha; Marine: 15,490 ha)
    • Buffer zone(s): 846,266 ha (Terrestrial: 791,966 ha; Marine: 54,300 ha)
    • Transition zone(s): 4,331,464 ha (Terrestrial: 4,076,254 ha; Marine: 255,210 ha)

    Location: 50°38’51”N – 68°43’36”W


    Ecological Characteristics

    The Manicouagan – Uapishka Biosphere Reserve is a testament to some of the most powerful phenomena the Earth has ever known. It was formed by the patient erosion of millions of years, combined with the collision of a huge meteorite, the crushing passage of glaciers and an ancient sea that smoothed the land. The impact of the meteorite formed the crater and circular lake that characterize this biosphere reserve.

    The hinterland of the Manicouagan – Uapishka area consists of a vast dry plateau. Its surface is formed by hills ranging between 400 m and 600 m, separated by rectilinear valleys and surrounded by the Groulx Mountains massif, which is characterized by about 30 mountains over 1000 m in height. 

    The salt marshes of the Manicouagan – Uapishka reserve are among the most productive habitats on the planet, acting as important resting places for more than 200 migratory birds. Fauna characteristic of boreal forests in the area include the vulnerable boreal woodland caribou (Rangifer tarandus caribou), cougar (Puma concolor), least weasel (Mustela nivalis), short-eared owl (Asio flammeus), golden eagle (Aquila chrysaetos), and the threatened wolverine (Gulo gulo) and beluga whale (Delphinapterus leucas).


    Socio-Economic Characteristics

    The largest city in the area is Baie-Comeau with a population just under 23,000. The main economic activities include timber transformation, agriculture, aluminium production, mining, commercial fisheries and merchant shipping. A huge hydroelectric power plant also creates employment opportunities. 

    The area also contains an Indian reserve with a resident population of about 2,500 inhabitants. The Manicouagan population along the coastline has over time become almost exclusively French with the descendants of ancient indigenous families living on the Pessamit reserve.





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    Last updated: October 2018