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Driedmeat Lake

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Grebe Survey Summary

  • Max Adults: 5
  • Year: 2008
  • Most Recent Adults: ?
  • Year: 2011
  • Survey Type: Shore; Boat; Air
  • Most Common Threats Reported: N/A
Lake name:
Driedmeat Lake
Location:
Alberta
Latitude:
52.8647222
Longitude:
-112.7497222
Surface area (km2):
16.5
Basin type:
non-reservoir
Management agency:
Alberta Environment
Region associations:
Battle River watershed
Comments:
Very shallow and highly eutrophic. Located where the Battle River widens.

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
    1970, 2011
  • Source
    Report
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 3 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.2, maximum counts of breeding Western grebes from surveys mostly conducted during nesting season from June and July (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 Unpublished report for the Canadian Wildlife Service). Stated as 20 year chunks: 1970 - 1990 and 1991 - 2011 without breaking those down into years or other details.

Survey Citation:
Erickson, M. E. 2010. Persistence and abundance of the western grebe in Alberta. Dissertation. University of Alberta. Edmonton, Alberta, Canada. Same lakes and abundance estimated were checked against Erickson, M. E., C. Found-Jackson, and M. S. Boyce. 2017. Habitat associations with counts of declining western grebes in Alberta, Canada. Avian Conservation and Ecology. 12(1):12. Appendix to Erickson et al 2014 is unavailable but presumed to be the same list of lakes and abundance estimates.

  • Type
    shore
  • Time period
    4 June 2008, 31 July 2008
  • Source
    Dissertation
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 5 2008
Most Recent Adults 1 to 100 5 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 Table B.1 and Table C.1, survey method and date for 2008 field season, and latest abundance estimate from 2008, which is the same as maximum abundance estimate. Source of maximum abundance estimate is from the 2008 field data.

Sources of Information

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