Recent Sightings and a Specimen Record of the Trumpeter Swan in the Willamette Valley, Oregon

The Murrelet ◽  
1987 ◽  
Vol 68 (2) ◽  
pp. 55
Author(s):  
Lawrence J. Blus ◽  
Charles J. Henny ◽  
M. S. Eltzroth
Keyword(s):  
Willamette Valley ◽  
Trumpeter Swan ◽  
Specimen Record

Nitrogen inputs best predict farm field nitrate leaching in the Willamette Valley, Oregon

2021 ◽  
Author(s):  
J. E. Compton ◽  
S. L. Pearlstein ◽  
L. Erban ◽  
R. A. Coulombe ◽  
B. Hatteberg ◽  
...  
Keyword(s):  
Nitrate Leaching ◽  
Willamette Valley ◽  
Nitrogen Inputs

Prescribed Fire and the Response of Woody Species in Willamette Valley Wetland Prairies

1998 ◽  
Vol 6 (3) ◽  
pp. 303-311 ◽  
Author(s):  
K. L. Pendergrass ◽  
P. M. Miller ◽  
J. B. Kauffman
Keyword(s):  
Prescribed Fire ◽  
Woody Species ◽  
Willamette Valley

Glacial erratics in Willamette Valley

1935 ◽  
Vol 46 (4) ◽  
pp. 615-632 ◽  
Author(s):  
I. S. ALLISON
Keyword(s):  
Willamette Valley

Birds of the Southern Willamette Valley, Oregon

The Condor ◽  
1951 ◽  
Vol 53 (3) ◽  
pp. 129-149 ◽  
Author(s):  
Gordon W. Gullion
Keyword(s):  
Willamette Valley

Potential Determinants of Regional Variation of Three American Aroma Hops Grown in the Willamette Valley, Oregon

2021 ◽  
pp. 1-10
Author(s):  
Karli R. Van Simaeys ◽  
Michael Féchir ◽  
Andy Gallagher ◽  
Arnbjørn Stokholm ◽  
Garrett Weaver ◽  
...  
Keyword(s):  
Regional Variation ◽  
Willamette Valley
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