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Filtering by: Creator Murphy, Glen Committee Member Jones, Julia A.

Top-down Influences of bald eagles on common murre populations in Oregon

Creator:

Horton, Cheryl A.

Abstract:

Populations of organisms are influenced by both top-down (predator driven) and bottom-up (environment or resource driven) effects. Seabird research has largely focused on bottom-up factors influencing reproduction, with little emphasis on top-down. Our goal was to better understand top-down impacts on colonial nesting seabirds over a range of spatio-temporal scales....

Resource Type:

Masters Thesis

Full Text:

Chaffin, and Glen McKinley. Thank you for permission and access to the facilities at Yaquina Head, for
Mapping Wildlife-Relevant Snow Properties in Arctic-Boreal North America; Novel Modelling, Remote-Sensing, and Ground Observation Approaches

Creator:

Cosgrove, Christopher Liam

Abstract:

Arctic-boreal regions are exhibiting the symptoms of profound ecological shifts as they experience pronounced warming. Wildlife in high-latitudes are one such harbinger of change, and their populations are undergoing range-shifts, declines, and extinctions in response to their rapidly altering habitats. As the circumpolar and boreal north is snow-covered for up...

Resource Type:

Dissertation

Full Text:

everything to do with the paper was going wrong. Without Dr. Glen Liston’s instruction and help Chapter 2