Oak Hammock Marsh

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
Comments:
A designated Ramsar site of significant international importance for wildlife. It is a man-made marsh with a diversity of habitats.

Summary of 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 Unpublished report for the Canadian Wildlife Service).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.

Sources of Information