Mantua Reservoir
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View Surveys (2)
View Sources (3)
Grebe Survey Summary
- Max Adults: 322
- Year: 2010
- Most Recent Adults: 322
- Year: 2010
- Survey Type: Shore; Boat
- Most Common Threats Reported: N/A
- Lake name:
- Mantua Reservoir
- Location:
- Utah
- Latitude:
- 41.5046243
- Longitude:
- -111.9326915
- Basin type:
- reservoir
- Management agency:
- Brigham City Corporation
- Lake use:
- irrigation
- Comments:
- Primary use is irrigation.
Surveys (2)
Survey Citation:
Konter, Andre. 2012. Visual assessment of interbreeding Aechmophorus grebes. 124(4): 713-720. Published by The Wilson Journal of Ornithology
-
Type
shore -
Time period
08 July 2010, 25 July 2010 -
Source
Journal Article -
Both Western and Clarks?
Y
| Count Type | Range | Max | Year |
|---|---|---|---|
| Max Adults | 1 to 100 | +/-40 | 2010 |
| Most Recent Adults | 1 to 100 | +/-40 | 2010 |
| 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:
"Intermediate" grebes recorded separately, proportion in column AW is Clark's:Western:intermediate out of total grebes assessed (22).
Survey Citation:
Cavitt, J. F., S. L. Jones, N. M. Wilson, J. S Dieni, T. S. Zimmerman, R. H. Doster, and W. H. Howe. 2014. Atlas of breeding colonial waterbirds in the interior western United States. Research Report, U.S. Department of the Interior, Fish and Wildlife Service, Denver, Colorado.
-
Type
boat -
Time period
8 June 2009, 7 July 2010 -
Source
Report -
Both Western and Clarks?
N
| Count Type | Range | Max | Year |
|---|---|---|---|
| Max Adults | 101 to 500 | 322 | 2010 |
| Most Recent Adults | 101 to 500 | 322 | 2010 |
| Max Nests | 101 to 500 | 161 | 2010 |
| Most Recent Nests | 101 to 500 | 161 | 2010 |
| Max Chicks | N/A | N/A | N/A |
| Most Recent Chicks | N/A | N/A | N/A |
Comments:
Parker and Frokjer were observers in 2009 and Paul was observer in 2010. For 2009, actual adult bird count was conducted. For 2010, estimate of breeding adults is nest X2. Conducted as part of Western Colonial Waterbird Survey (WCWS), a breeding survey of 18 species from May to July 2009 to 2011, resulting in this Atlas.