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Buffalo Pound Lake

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Grebe Survey Summary

  • Max Adults: 250
  • Year: 2011
  • Most Recent Adults: 250
  • Year: 2011
  • Survey Type: Shore; Boat; Air
  • Most Common Threats Reported: N/A
Lake name:
Buffalo Pound Lake
Location:
Saskatchewan
Latitude:
50.648171
Longitude:
-105.508275
Surface area (km2):
29.5
Basin type:
reservoir
Dam completion date:
1939
Management agency:
Province of Saskatchewan; Water Security Agency
Lake use:
water supply recreation
Region associations:
Lake Diefenbaker; Qu'Apelle Valley; Buffalo Pound Provincial Park
Designations:
Provincial Park
Comments:
Buffalo Pound Lake is a relatively small prairie reservoir. It provides water to approximately 25% of the province's population. It receives high quality water from Lake Diefenbaker but suffers from eutrophic conditions.

Surveys (4)

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 101 to 500 250 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 Unpublished report for the Canadian Wildlife Service).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:
Somers, C. M., L. M. Heisler, J. L. Doucette, V. A. Kjoss, and R. M. Brigham. 2015. Lake Use by Three Avian Piscivores and Humans: Implications for Angler Perception and Conservation. The Open Ornithology Journal 8:10–21.

  • Type
    shore
  • Time period
    3 May 2005, 16 August 2007
  • Source
    Peer-reviewed
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 101 to 500 189 +/- 130 2006
Most Recent Adults 101 to 500 189 +/- 130 2007
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:

This is a study on angler perception of piscivorous birds. Between 26 to 31 point counts from 2005 to 2007 were conducted at 18 point count stations from the shore of this lake. Grebes with young were observed in all three years of the surveys, confirming breeding (C. Somers, pers. comm.). There was a positive correlation between grebes and boat presence. Count numbers are entered as mean +/- SD from Table 1. No formal sutveys have been done on this lake so colony characteristics are unknown.

Survey Citation:
Konter, A. (2009). Occurrence of Clark’s Grebes and their hybrids with Western Grebes in Prairie Canada. Blue Jay 67, 26-33.

  • Type
    shore
  • Time period
    26 May 2008
  • Source
    Notes
  • Both Western and Clarks?
    Y
Count Type Range Max Year
Max Adults 101 to 500 168 2008
Most Recent Adults 101 to 500 168 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:

This article is on the occurrence of Clark's grebes and hybrids with Western grebes (intermediates) in prairie Canada. Only 80 of the grebes could be identified, hence more than half are unknown (U). This study shows that Clark's grebe presence in Canada could be 1% or less of total grebes.

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
    2011, 2017
  • Source
    Management plan
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 101 to 500 250 2011
Most Recent Adults 1 to 100 16 2017
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. Sources are McKellar et al. 2019 and McKellar et al., in press.

Sources of Information

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