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Doré Lake

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Grebe Survey Summary

  • Max Adults: 800
  • Year: 1991-2011
  • Most Recent Adults: ?
  • Year: 2011
  • Survey Type: Shore; Boat; Air
  • Most Common Threats Reported: N/A
Lake name:
Doré Lake
Location:
Saskatchewan
HydroLAKE ID:
547
Latitude:
54.705994
Longitude:
-107.586458
Surface area (km2):
626.6
Basin type:
non-reservoir
Comments:
Not much information on this lake.

Surveys (2)

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
    1991, 2011
  • Source
    Report
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 501 to 1000 800 1991-2011
Most Recent Adults 1 to 100 ? 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.3, maximum counts of breeding Western grebes from surveys conducted during nesting season from 1991 to 2011 (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 Unpublished report for the Canadian Wildlife Service). No break out of data per year or other details.

Survey Citation:
Environment and Climate Change Canada. 2021. Management Plan for the western grebe (Aechmophorus occidentalis) in Canada [Proposed]. Species at Risk Act Management Plan Series. Environment and Climate Change Canada, Ottawa. 5 iv + 52 pp.

  • Time period
    2008
  • Source
    Management plan
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 101 to 500 240 2008
Most Recent Adults 101 to 500 240 2008
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 Appendix C, data columns are historical high count, high count since 2000, and most recent count. Since minimum count was not stated, I entered the minimum from these columns though it might not be the actual minimum across the span of years reported. Also, there is no detail on years that were excluded from surveying so range of survey years may be inaccurate. Footnote for this lake is that breeding was confirmed. Between 1991 and 2011, a maximum count of 800 individuals were reported by Wilson and Smith (2013) but it is unknown if this was before or after 2000. Sources are McKellar et al. 2019 and McKellar et al., in press.

Sources of Information

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