Fern Ridge Reservoir/Fern Ridge Lake
- Lake name:
- Fern Ridge Reservoir/Fern Ridge Lake
- Location:
- Oregon
- HydroLAKE ID:
- 9019
- GRanD ID:
- 90
- Latitude:
- 44.117518
- Longitude:
- -123.296875
- Surface area (km2):
- 26.7
- Basin type:
- reservoir
- Dam completion date:
- 1941
- Primary emergent vegetation:
- reed canary grass (Phalaris arundinacea cattail (Typha latifolia) bull rush (Scirpus validus)
- Management agency:
- U.S. Army Corps of Engineers; Oregon Department of Fish and Wildlife
- Lake use:
- flood control recreation
- Region associations:
- Willamette Valley
- Comments:
- Reed canary grass is encroaching other habitat and there were plans to curtail its expansion.
Summary of Surveys (2)
Survey Citation:
Hussey, K.F. and J.L. Stephens. 2012. Klamath Bird Observatory’s contribution to the USFWS Western Colonial Waterbird Survey: Summary of 2011 survey efforts and results. Rep. No. KBO-2012-0003. Klamath Bird Observatory, Ashland, Oregon.
-
Time period
2011 -
Source
Report -
Both Western and Clarks?
Y
| Count Type | Range | Max | Year |
|---|---|---|---|
| Max Adults | 101 to 500 | 208 | 2011 |
| Most Recent Adults | 101 to 500 | 208 | 2011 |
| Max Nests | 1 to 100 | 10 | 2011 |
| Most Recent Nests | 1 to 100 | 10 | 2011 |
| Max Chicks | N/A | N/A | N/A |
| Most Recent Chicks | N/A | N/A | N/A |
Comments:
Breeding pairs is 18/64/30 of CL/WE/Unknown.
Survey Citation:
Gilligan, J. (1994). Birds of Oregon : status and distribution. Cinclus Publications.
-
Time period
1992, 1993 -
Source
Book (species account) -
Both Western and Clarks?
N
| Count Type | Range | Max | Year |
|---|---|---|---|
| Max Adults | 1 to 100 | 2 | 1992, 1993 |
| Most Recent Adults | 1 to 100 | presence | 1993 |
| Max Nests | 1 to 100 | presence | 1992, 1993 |
| Most Recent Nests | 1 to 100 | presence | 1993 |
| Max Chicks | 1 to 100 | 1-3 | 1992 |
| Most Recent Chicks | 1 to 100 | 1-3 | 1992 |
Comments:
Observation of a Western grebe pair with young in 1992 and nesting occurred in 1993 as well but does not say if chicks were produced that year. An estimate of 1 to 3 chicks per brood for 1992 at least.
Sources of Information
- Messager, M. L., B. Lehner, G. Grill, I. Nedeva, and O. Schmitt. 2016. Estimating the volume and age of water stored in global lakes using a geo-statistical approach. Nature Communications 7:13603. Data is available at www.hydrosheds.org.; Lehner, B., C. Reidy Liermann, C. Revenga, C. Vorosmarty, B. Fekete, P. Crouzet, P. Doll, M. Endejan, K. Frenken, J. Magome, C. Nilsson, J.C. Robertson, R. Rodel, N. Sindorf, and D. Wisser. 2011. Global Reservoir and Dam Database, Version 1 (GRanDv1): Dams, Revision 01. Palisades, New York: NASA Socioeconomic Data and Applications Center (SEDAC).
- Lehner, B., C. Reidy Liermann, C. Revenga, C. Vorosmarty, B. Fekete, P. Crouzet, P. Doll, M. Endejan, K. Frenken, J. Magome, C. Nilsson, J.C. Robertson, R. Rodel, N. Sindorf, and D. Wisser. 2011. Global Reservoir and Dam Database, Version 1 (GRanDv1): Dams, Revision 01. Palisades, New York: NASA Socioeconomic Data and Applications Center (SEDAC).
- Fern Ridge Lake Recreation
- Fern Ridge Dam and Reservoir Information