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Filtering by: Creator Yamhill County (Or.) Committee Member Jones, Julia Decade 2020-2029

Life History Trade-offs: The Effects of Habitat Selection on Columbian Black-tailed Deer Survival in Oregon

Creator:

Clark, Jessica S.

Abstract:

The assessment of habitat quality for wild populations requires evaluation of vital rates associated with the use of that habitat. Factors associated with bottom-up (forage) or top-down (predation) regulation and the relative contribution of these processes on ungulate populations are difficult to quantify, especially for a cryptic, but widely distributed...

Resource Type:

Masters Thesis

Full Text:

with the use of that habitat. Factors associated with bottom-up (forage) or top-down (predation
Lamprey of the Goose Lake Basin: A Multi-Scale Habitat & Distribution Analysis

Creator:

Dickey, Jacob C.

Abstract:

Two ecologically important lamprey species found in the endorheic Goose Lake Basin face conservation threats; however, relatively little is known about their habitat needs or spatial distribution. Lamprey and their habitat are often found to be patchy; to evaluate these relationships for the lamprey in this basin, I utilized a...

Resource Type:

Masters Thesis

Full Text:

face conservation threats; however, relatively little is known about their habitat needs or spatial
Factors Influencing Streamflow Generation Processes in Rain-dominated, Coastal Watersheds in Oregon

Creator:

Pazdral, Rosemary

Abstract:

Relative to other systems in the PNW, the rain-dominated, coastal watersheds of western Oregon have shallow aquifers. Given the seasonality of streamflow and storage limitations in coastal, rain-dominated watersheds, changes in the temporal patterns of precipitation have the potential to magnify the risk of extreme streamflow conditions during both high-...

Resource Type:

Dissertation

Full Text:

4 climatic patterns is largely dependent on the hydrological regime (e.g. snow- or rain