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Filtering by: Creator Sprague, Christy L. Academic Affiliation Fisheries and Wildlife Subject Double-crested cormorant -- Ecology -- Columbia River Estuary (Or. and Wash.)

Piscivorous colonial waterbirds in the Columbia River estuary : demography, dietary contaminants, and management

Creator:

Suzuki, Yasuko

Abstract:

Caspian terns (Hydroprogne caspia) and double-crested cormorants (Phalacrocorax auritus) nest in large colonies on East Sand Island in the Columbia River estuary, the largest known colonies for the two species in the world. Both species of piscivorous colonial waterbirds have been identified as predators with a significant impact on the...

Resource Type:

Dissertation

Full Text:

Bixler, Stefanie Collar, Brendan Courtot, Karen Courtot, Dave Craig, Christy Hands, Lauren Kerr, Tim
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:

Gorman, Christy Hand, Pat Jodice, Pete Loschl, Tim Marcella, Kim Nelson, Lisa Sheffield, Rob Suryan

ScholarsArchive@OSU

Piscivorous colonial waterbirds in the Columbia River estuary : demography, dietary contaminants, and management

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

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