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Filtering by: Creator Working Lands for Wildlife Degree Field Wildlife Science Subject Caspian tern -- Food -- Columbia River Estuary (Or. and Wash.)

Foraging ecology, colony attendance, and chick provisioning of Caspian terns (Sterna caspia) in the Columbia River Estuary

Creator:

Anderson, Scott K.

Abstract:

This study was designed to enhance understanding of factors influencing foraging distribution, diet composition, and overall reproductive success of Caspian terns (Sterna caspia) nesting on East Sand Island in the Columbia River estuary. This colony of nearly 10,000 breeding pairs is of concern to regional resource managers because Caspian terns...

Resource Type:

Masters Thesis

Full Text:

AN ABSTRACT OF THE THESIS OF Scott K. Anderson for the degree
Foraging ecology of caspian terns and double-crested cormorants in the Columbia River Estuary

Creator:

Lyons, Donald E.

Abstract:

A detailed understanding of the foraging ecology of species preying upon threatened or endangered prey may contribute to identifying and evaluating management options to reduce predation, when such management is deemed appropriate. In the Columbia River estuary, Caspian terns (Sterna caspia) and double-crested cormorants (Phalacrocorax auritus) have been identified as...

Resource Type:

Masters Thesis

Full Text:

. Lyons for the degree of Master of Science in Wildlife Science. Presented on May 13, 2004. Title
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:

. Lyons for the degree of Doctor of Philosophy in Wildlife Science presented on April 27, 2010. Title

ScholarsArchive@OSU

Foraging ecology, colony attendance, and chick provisioning of Caspian terns (Sterna caspia) in the Columbia River Estuary

Foraging ecology of caspian terns and double-crested cormorants in the Columbia River Estuary

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

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