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Filtering by: Decade 1960-1969 Date issued sim 1969-08-15 Degree Name Master of Science (M.S.)

Culture and nutritional requirements of sod webworms on a meridic diet (Lepidoptera : Pyralidae : Crambinae)

Creator:

Dupnik, Theodore David

Abstract:

Attempts were made to rear Crambus topiarius Zeller, Euchromius ocellus (Haworth), Crambus bonifatellus (Hulst) and Crambus trisectus (Walker) on non-aseptic meridic diets containing wheat germ or pinto beans as basic constituents. Various methods of diet presentation and types of rearing containers were used. Shell vials and plastic cups used as...

Resource Type:

Masters Thesis
Diversity and similarity of benthic fauna off Oregon

Creator:

Stander, Jeffrey M.

Abstract:

Samples of benthic organisms off the coast of Oregon, taken from depths varying from 50 to 2900 meters, have been analyzed in terms of diversity at a given station, and similarity and ecological distance to other stations. Estimates of epifauna abundance were also made. In the analysis an important distinction...

Resource Type:

Masters Thesis
The effects of temperature and salinity on the early development of Adula californiensis (Pelecypoda-Mytilidae)

Creator:

Lough, Robert Gregory

Abstract:

Adula californiensis, which inhabits mudstone along the open coast and in Yaquina Bay, Oregon, is subjected to extremely varying conditions. Laboratory experiments of a factorial design were used to investigate the effects of temperature and salinity on survival, growth and respiration during early development. The rate of development to the...

Resource Type:

Masters Thesis