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Filtering by: Subject Umpqua River Estuary (Or.) Advisor Roby, Daniel D. Committee Member Dugger, Katie D.

Bioenergetics-based predator-prey relationships between piscivorous birds and juvenile salmonids in the Columbia River estuary

Creator:

Lyons, Donald E.

Abstract:

This dissertation focuses on the predator-prey relationship between two species of avian predators, Caspian terns (Hydroprogne caspia) and double-crested cormorants (Phalacrocorax auritus), and one of their important prey types, juvenile salmonids (Oncorhynchus spp.), in the Columbia River estuary of Oregon and Washington states during the period 1998 – 2007. I...

Resource Type:

Dissertation

Full Text:

Columbia River Estuary. Abstract approved: Daniel D. Roby This dissertation focuses on the