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Lake Winnipeg

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Lake name:
Lake Winnipeg
Location:
Manitoba
HydroLAKE ID:
4
GRanD ID:
709
Latitude:
53.696359
Longitude:
-97.863542
Surface area (km2):
23923
Basin type:
reservoir
Management agency:
Province of Manitoba; Manitoba Hydro
Lake use:
hydroelectricity fisheries recreation
Region associations:
Lake Winnipeg Drainage Basin; Interlake Region
Comments:
This entry does not reflect the compiled surveys from the lake due to portions of the lake being surveyed at a time. The 10th largest freshwater lake in the world, Lake Winnipeg is part of the Interlakes Region that includes other significant lakes such as Lake Manitoba and Lake Winnipegosis. The Interlake Region has a diversity of landscapes including lakes, marshes, wetlands, boreal forests, and prairies. Numerous municipalities are included as part of this region. Lake Winnipeg is so large and surveys were conducted for portions of the lake only, that those of clustered locations are compiled together but more distinct parts of the lake are entered as seperate entries. it is the world's third biggest reservoir though it is classified as a natural ake with water control sturctures by HydroLAKES. It is unusual in that it is quite shallow for such a large lake. It has been impacted by water quality issues. See individual entries for more details. This entry compiles individual entries for Lake Winnipeg into one total entry for indexing purposes.

Summary of Surveys (2)

Survey Citation:
Environment Canada. 1987. Mapping survey of migratory bird breeding and staging sites in Manitoba. Canadian Wildlife Service. Saskatoon, Saskatchewan.

  • Time period
    27 May 1982
  • Source
    Report
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 presence 1982
Most Recent Adults 1 to 100 presence 1982
Max Nests 1 to 100 14 1982
Most Recent Nests 1 to 100 14 1982
Max Chicks N/A N/A N/A
Most Recent Chicks N/A N/A N/A

Comments:

Mapping inventory of published and unpublished accounts. Cited as D. Sexton from the Prairie Nest Record Scheme Cards in Beconia area.

Survey Citation:
COSEWIC. 2014. COSEWIC assessment and status report on the western grebe (Aechmophorus occidentalis) in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. 55 pp. www.registrelep-sararegistry.gc.ca/default_e.cfm

  • Type
    shore; boat; air
  • Time period
    1970, 2011
  • Source
    Report
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 100 1991-2011
Most Recent Adults 0 0 2011
Max Nests N/A N/A N/A
Most Recent Nests N/A N/A N/A
Max Chicks N/A N/A N/A
Most Recent Chicks N/A N/A N/A

Comments:

From Table A.4, maximum counts of breeding Western grebes from surveys conducted during nesting season from 1970 to 1990 and 1991 to 2011 without breaking those down into years or other details (sourced from Wilson, A. and Smith, P.A. 2013. Distribution and population status of Western Grebes in Canada. Unpublished report for the Canadian Wildlife Service). The 30 from 1991 to 2011 are non-breeding adults.

Sources of Information

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