Lake Diefenbaker/Diefenbaker Lake
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Grebe Survey Summary
- Max Adults: 300
- Year: 1970-1990
- Most Recent Adults: ?
- Year: 2011
- Survey Type: Shore; Boat; Air
- Most Common Threats Reported: N/A
- Lake name:
- Lake Diefenbaker/Diefenbaker Lake
- Location:
- Saskatchewan
- HydroLAKE ID:
- 643
- GRanD ID:
- 253
- Latitude:
- 51.268741
- Longitude:
- -106.864575
- Surface area (km2):
- 391.7
- Basin type:
- reservoir
- Dam completion date:
- 1968
- Management agency:
- Province of Saskatchewan
- Lake use:
- irrigation hydroelectricity water supply recreation
- Region associations:
- Qu'appelle Valley; South Saskatchewan River
- Comments:
- A large multi-use reservoir with good water quality.
Surveys (1)
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 | 101 to 500 | 300 | 1970-1990 |
| 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 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 Unpublished report for the Canadian Wildlife Service).