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Filtering by: Creator Hobbs, Billy Bob Committee Member Beatty, Joseph

Evaluating benthic macroinvertebrates as bio-indicators of freshwater habitat quality in an eastern Oregon agro-ecosystem

Creator:

Scherr, Melissa A.

Abstract:

The effect of anthropogenic disturbance on river systems is gaining attention, and concerns about the state of freshwater natural resources are increasing globally, as are efforts to restore habitat that has been degraded by disturbance. In rivers, non-point source pollution affects the physical characteristics of the habitat and the endemic...

Resource Type:

Dissertation

Full Text:

invertebrate zoology as an undergraduate at Eastern Oregon University; and Mr. Bob Bohlen, formerly of West
The effects of pathogens, UV-B radiation, and introduced species on amphibians in the Pacific Northwest

Creator:

Kiesecker, Joseph Michael

Abstract:

I examined two amphibian communities to assess factors that may impact amphibian biodiversity. The results suggest that the potential factors which influence the maintenance of amphibian biodiversity are multi-faceted and thus, attempts to understand these factors must reflect these complexities. I investigated factors that influenced the susceptibility of western toad...

Resource Type:

Dissertation

Full Text:

could also impact biodiversity (Soule 1990, Orth et al. 1990, Hobbs 1991, Almendares 1993, Lodge