Assessment of impacts of Canada geese on wheat production
Numbers of wild Canada geese (Branta canadensis) have increased dramatically during the past 30 years in the lower Columbia and Willamette Valley systems. The damage they cause by grazing and trampling plants can be substantial. The objectives of this research were to: 1) Develop methods that provid...
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Language: | en_US |
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2012
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Online Access: | http://hdl.handle.net/1957/33615 |