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Filtering by: Creator Bockheim, James G. Non-Academic Affiliation Oregon State University. Graduate School

Population dynamics of selected zooplankton in three oligotrophic Oregon lakes

Creator:

Malick, James G.

Abstract:

Selected zooplankton from three oligotrophic lakes in Oregon were studied to determine whether or not their instantaneous birth rates and densities could be used in lake classification. The species of zooplankton studied in their respective lakes were Daphnia, pulex in Crater Lake, Daphnia longispina in Odell Lake, and Daphnia longispina...

Resource Type:

Masters Thesis
Logging with a hydraulic excavator : a case study

Creator:

Fisher, James G.

Abstract:

This paper presents a production study of a modified hydraulic excavator used for yarding and loading logs. The machine utilized in this study is a Caterpillar 245. Approximately 3067 cunits (4053 pieces) of old growth Douglas fir were logged from a 29 acre setting in the Coast Range of southwestern...

Resource Type:

Masters Thesis