|Central coordinates||97o 32.05' West 50o 3.18' North|
|IBA criteria||A4i, A4iii|
|Altitude||242 - 245m|
|Year of IBA assessment||2008|
Site description Located northwest of Winnipeg, Grants Lake Wildlife Management Area is a small, primarily cattail-filled marsh near the town of Meadow. It has shrunk to a remnant of its former immense status and is now completely surrounded by intensively cultivated farmland. Several young poplar and willow stands dot the area. Ducks Unlimited has manipulated the marsh through the placement of level ditches, a well established method of creating diversity within otherwise homogenous sites, and the blasting of potholes.
Key Biodiversity Historically, this has been a famous wetland for geese, and, to a lesser extent, for ducks. Despite the habitat changes of the past, it is still not uncommon for there to be about 100,000 each of Canada Geese and Snow Geese, utilizing the wetland and adjacent cultivated fields during the fall migration. The Canada Goose numbers are comprised of as many as four subspecies: Short Grass Prairie, Tall Grass Prairie, Eastern Prairie and Giant. The Snow Goose numbers represent perhaps a third of the Mid Continent Snow Goose population. Mallards are one of the most common duck present in the fall.
High breeding densities of Red-winged Blackbirds, Yellow-headed Blackbirds, and Marsh Wrens have been observed at Grants Lake, but there have not been any studies that have determined the precise numbers of these species here.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Canada Goose Branta canadensis||passage||1995||100,000 individuals||-||A4i||Least Concern|
|A4iii Species group - waterbirds||passage||1995||50,000-99,999 individuals||unknown||A4iii|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Grant's Lake||Wildlife Management Area||370||protected area contained by site||400|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Forest||Temperate deciduous woods||-|
|Grassland||Steppe & dry calcareous grassland||-|
|Wetlands (inland)||Freshwater marshes/swamps||-|
|Artificial - terrestrial||Arable land||-|
|Land-use||Extent (% of site)|
|nature conservation and research||major|
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Recommended citation BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Grant's Lake WMA. Downloaded from http://www.birdlife.org on 30/07/2016
To provide new information to update this factsheet or to correct any errors, please email BirdLife