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Filtering by: Committee Member Lahey, James Decade 1970-1979 Rights Statement In Copyright

Geographic variations in water quality and recreational use along the upper Wallowa River and selected tributaries

Creator:

McDowell, Theodore R.

Abstract:

Physical, chemical and bacterial water quality parameters of the upper Wallowa River were sampled periodically between July 2, 1978 and June 9, 1979 at nine stream and lake sampling sites. Water upstream from Wallowa Lake was typified by low nutrient concentrations ( generally below detectable limits except for nitrates), low....

Resource Type:

Dissertation
Spatial expressions of farm size changes in the Polk and Linn counties of Oregon

Creator:

Van Otten, George A.

Abstract:

The spatial organization of farm units in Polk and Linn counties in the mid-Willamette Valley has undergone significant change over the past 30 years. Whereas most study areas operations in the 1930's and 1940's consisted of small family owned farms with contiguous land bases, present mid-Willamette Valley units vary considerably...

Resource Type:

Dissertation
Weather as an influencing factor in the use of Oregon's coastal recreation areas

Creator:

Rense, William Childs, 1944-

Abstract:

The role of weather in influencing tourist-recreation visitation to the Oregon coast during the six-month summer season of May through October has been investigated by this research. In addition, the normal day-to-day fluctuations in coastal visitation has been determined. Based upon the normal visitation, the tourist-recreation season on Oregon's coast...

Resource Type:

Dissertation