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Filtering by: Subject Umpqua River Estuary (Or.) Advisor Roby, Daniel D. Degree Name Master of Science (M.S.) File Format application/pdf

Evaluating the fatty acid signature technique for studies of diet composition inpiscivorous waterbirds

Creator:

Myers, Anne Mary

Abstract:

This research was designed to evaluate the Fatty Acid Signature (FAS) technique as a non-lethal alternative to more traditional, and sometimes destructive, methods of studying the diet composition of piscivorous birds. Specifically we tested the technique with Caspian terns (Hydroprogne caspia) which currently nest in large numbers in the Columbia...

Resource Type:

Masters Thesis

Full Text:

terns nesting on Rice Island in the Columbia River estuary was between 9.1 and 15.7 million, or about