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Location Canada, Québec
Central coordinates 73o 7.49' West  46o 8.88' North
IBA criteria A4i, A4iii
Area 3,900 ha
Altitude 0
Year of IBA assessment 2008

Bird Studies Canada/Nature Canada

Site description This low-lying area near the village of Saint-Barthélemy is on the northwest shore of Lac Saint-Pierre (a widening of the St. Lawrence River), and is about 75 km east of Montreal. The site encompasses 11 km of shoreline and is limited to the north by the railway, 3.5 km away. The fields are flooded in most springs and cultivated in summer. In some areas, Ducks Unlimited Canada has built dams and channels to control water levels, and to create three staging areas, two marshes and a fish management area. Nineteen fish species are found at this site, including Pickerel, a species at risk.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Canada Goose Branta canadensis unknown  1994  60,000 individuals  A4i  Least Concern 
A4iii Species group - waterbirds unknown  1994  50,000-99,999 individuals  unknown  A4iii   


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Freshwater marshes/swamps; Rivers  10%
Artificial - terrestrial Arable land; Urban parks and gardens  22%
Unknown   55%

Land use

Land-use Extent (% of site)
agriculture major
nature conservation and research minor
hunting minor

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Plaine inondable de Saint-Barthélemy. Downloaded from on 26/10/2014

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