Oak Hammock Marsh
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View Sources (5)
Grebe Survey Summary
- Max Adults: 10
- Year: 1970-1990
- Most Recent Adults: ?
- Year: 1990
- Survey Type: Shore; Boat; Air
- Most Common Threats Reported: N/A
- Lake name:
- Oak Hammock Marsh
- Location:
- Manitoba
- Latitude:
- 50.187501
- Longitude:
- -97.124954
- Surface area (km2):
- 36
- Basin type:
- non-reservoir
- Management agency:
- Province of Manitoba
- Region associations:
- Oak Hammock Marsh WMA
- Designations:
- Ramsar
- Comments:
- A designated Ramsar site of significant international importance for wildlife. It is a human-made marsh with a diversity of habitats.
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, 1990 -
Source
Report -
Both Western and Clarks?
N
| Count Type | Range | Max | Year |
|---|---|---|---|
| Max Adults | 1 to 100 | 10 | 1970-1990 |
| Most Recent Adults | 1 to 100 | ? | 1990s |
| 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, estimated number of breeding Western grebes during nesting period based on mazimum observed count from 1970 to 1990 (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 Unpublished report for the Canadian Wildlife Service).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.