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Filtering by: Creator Everson, William Degree Field Wildlife Science Degree Name Doctor of Philosophy (Ph.D.)

Foraging ecology, diving behavior, and migration patterns of harbor seals (Phoca vitulina richardii) from a glacial fjord in Alaska in relation to prey availability and oceanographic features

Creator:

Womble, Jamie N.

Abstract:

Understanding the movement behavior and foraging strategies of individuals across multiple spatial and temporal scales is essential not only for understanding the biological requirements of individuals but also for linking individual strategies to population level effects. Glacial fjords scattered throughout south-central and southeastern Alaska host some of the largest seasonal...

Resource Type:

Dissertation

Full Text:

William Sound, Alaska (up to 900 kilometers away). Seals exhibited a relatively high degree of intra
The effects of natural fire and recreational disturbance on montane forest ecosystem composition, structure and nitrogen dynamics, Crater Lake National Park, Oregon

Creator:

Wilson, John K. (John Kevin)

Abstract:

Disturbance, whether natural or of human origin, modifies to varying degrees many ecosystem attributes. Fire is a natural process in the montane forests of southern Oregon but for much of the 20th century fire was viewed as an apocalypse and thus fervently suppressed. Effective natural resource management requires an understanding...

Resource Type:

Dissertation

Full Text:

William Byrd Press, Inc., Richmond. 162 p. 14 Wright, R. G. and J. Lemmons. 1996. National