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Filtering by: Subject Water quality biological assessment -- Oregon -- Umatilla River

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:

interacting environmental gradients in the Umatilla River, Northeastern Oregon……..……… 72 Abstract
Investigation of the presence and change over time of water quality parameters in selected natural swimming areas in Oregon

Creator:

Van Ess, Erica

Abstract:

Few studies, and none in Oregon, have examined the presence and change of water quality parameters over time in popular natural swimming areas. This information is necessary to better understand water quality and risk of illness from either fecal contamination or cross-infection from other swimmers. The purpose of this study...

Resource Type:

Masters Thesis

Full Text:

in Oregon, have examined the presence and change of water quality parameters over time in popular